Search Results: "US"
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18:29 Popular
US History Overview 1: Jamestown to the Civil War
1,097 views / 3 likes - addedJamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ
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06:01
Appomattox Court House and Lincoln's Assassination
619 views / 0 likes - addedFrom Lee's Surrender to Grant to Lincoln's Assassination More free lessons at: http://www.khanacademy.org/video?v=Frpq_A7Ky_Q
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14:23 Popular
US History Overview 2 - Reconstruction to the Great Depression
739 views / 0 likes - addedReconstruction to the Great Depression More free lessons at: http://www.khanacademy.org/video?v=zmBV87XA52Q
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14:46
US History Overview 3 - WWII to Vietnam
586 views / 0 likes - addedWorld War II, Hitler, Cold War, Bay of Pigs, Cuban Missile Crisis and the Space Race More free lessons at: http://www.khanacademy.org/video?v=j2eKaxU-8kA
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09:20
Pattern of US Cold War Interventions
649 views / 0 likes - addedComparing the patterns of Korea, Cuba and Vietnam More free lessons at: http://www.khanacademy.org/video?v=aNkrawaaiZQ
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14:21
20th Century Capitalism and Regulation in the United States
594 views / 0 likes - addedOverview of cycles of regulation, de-regulation and government in 20th century US capitalism More free lessons at: http://www.khanacademy.org/video?v=J33nVRyTeyU
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27:15
Haitian Revolution (Part 1)
584 views / 0 likes - addedSlaves rebel in Saint-Domingue (Haiti). Rise of Toussaint L'Ouverture. More free lessons at: http://www.khanacademy.org/video?v=Qz5zFzvbib4
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16:18
Napoleon and the War of the Fourth Coalition
566 views / 0 likes - addedNapoleon takes on Prussia and Russia and wins again More free lessons at: http://www.khanacademy.org/video?v=O3HxPDH-s7w
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16:39
French Invasion of Russia
530 views / 0 likes - addedNapoleon's disastrous invasion of Russia More free lessons at: http://www.khanacademy.org/video?v=F_ySQvjtAxQ
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08:13
Thomas Malthus and Population Growth
680 views / 1 likes - addedThomas Malthus's views on population. Malthusian limits. More free lessons at: http://www.khanacademy.org/video?v=r1ywppAJ1xs
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02:31 Popular
Adding subtracting mixed numbers 1 (ex 2)
745 views / 0 likes - addedAdding subtracting mixed numbers 1 (ex 2) More free lessons at: http://www.khanacademy.org/video?v=_btQus9HV_I
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10:59
Production Possibilities Frontier
544 views / 0 likes - addedTradeoffs for a hunter gatherer and the production possibilities frontier. Ceteris Paribus More free lessons at: http://www.khanacademy.org/video?v=_7VHfuWV-Qg
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05:02
Consumer Surplus Introduction
514 views / 0 likes - addedConsumer surplus as difference between marginal benefit and price paid More free lessons at: http://www.khanacademy.org/video?v=_6kwhF6hoqQ
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05:46
Total Consumer Surplus as Area
461 views / 0 likes - addedLooking at consumer surplus as area between the demand curve and the market price More free lessons at: http://www.khanacademy.org/video?v=RBUBIRtn0xQ
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08:20
Producer Surplus
556 views / 0 likes - addedLooking at the supply curve as an opportunity cost curve. Understanding the producer surplus as the area between the supply curve and the market price More free lessons at: http://www.khanacademy.org/video?v=-V-Y5klejSg
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11:27
Rent Control and Deadweight Loss
603 views / 0 likes - addedHow instituting a price ceiling lower than the equilibrium price reduces the total surplus (dead weight loss)
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09:24
Optimal Point on Budget Line
618 views / 0 likes - addedUsing indifference curves to think about the point on the budget line that maximizes total utility More free lessons at: http://www.khanacademy.org/video?v=nhSSu0Nzs30
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07:40
Marginal Cost and Average Total Cost
503 views / 0 likes - addedLooking at marginal and average total cost in the context of a juice business More free lessons at: http://www.khanacademy.org/video?v=7t8gdc3YogM
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10:17
Perfect Competition
601 views / 0 likes - addedConditions for perfect competition. Looking at the airline industry More free lessons at: http://www.khanacademy.org/video?v=_NznT4Cn8As
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04:56
Optional Calculus Proof to Show that MR has Twice Slope of Demand
621 views / 0 likes - addedUsing some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist More free lessons at: http://www.khanacademy.org/video?v=atI4QH2acuw
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08:26
Oligopolies, Duopolies, Collusion, and Cartels
568 views / 0 likes - addedThinking about when oligopolies behave more like monopolies or perfect competitors More free lessons at: http://www.khanacademy.org/video?v=N0L00FZnhtg
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06:38
Tragedy of the Commons
471 views / 0 likes - addedHow public resources can be abused More free lessons at: http://www.khanacademy.org/video?v=0b2Tl0x-niw
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09:02
How Many People to Hire Given the MPR curve
614 views / 0 likes - addedThinking about how many people it makes sense to hire. Brief discussion of a monopsony. More free lessons at: http://www.khanacademy.org/video?v=p8PSIpMkEvA
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08:04
Real GDP and Nominal GDP
478 views / 0 likes - addedUsing real GDP as a measure of actual productivity growth More free lessons at: http://www.khanacademy.org/video?v=lBDT2w5Wl84
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06:28
GDP Deflator
479 views / 0 likes - addedRelationship between the GDP deflator, nominal GDP and real GDP More free lessons at: http://www.khanacademy.org/video?v=L-0LuSw2bTM
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07:34
Money Supply and Demand Impacting Interest Rates
480 views / 0 likes - addedExamples showing how various factors can affect interest rates More free lessons at: http://www.khanacademy.org/video?v=vItRHYu-A88
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11:16
The Business Cycle
626 views / 1 likes - addedThe business cycle and how it may be driven by emotion More free lessons at: http://www.khanacademy.org/video?v=TXrOpjG4dUs
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13:53
Aggregate Demand
490 views / 0 likes - addedUnderstanding how aggregate demand is different from demand for a specific good or service. Justifications for the aggregate demand curve being downward sloping More free lessons at: http://www.khanacademy.org/video?v=oLhohwfwf_U
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12:15
Short Run Aggregate Supply
610 views / 0 likes - addedJustifications for the aggregate supply curve to be upward sloping in the short-run More free lessons at: http://www.khanacademy.org/video?v=3nbalsyibKU
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06:15
Real GDP driving Price
496 views / 0 likes - addedThinking about how high utilization could drive price as another justification for an upward sloping short-run aggregate supply curve More free lessons at: http://www.khanacademy.org/video?v=XsD7mqFDJs0
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05:45
Cost Push Inflation
583 views / 0 likes - addedHow an oil shock can slow the economy while causing inflation More free lessons at: http://www.khanacademy.org/video?v=3A-nAw2tY_4
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09:20
Keynesian Cross
460 views / 0 likes - addedAnalyzing planned expenditures versus actual output using the Keynesian Cross More free lessons at: http://www.khanacademy.org/video?v=sTw0e-hwYAQ
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05:09
Using Reserves to Stabilize Currency
557 views / 0 likes - addedHow a central bank could use foreign currency reserves to keep its own currency from devaluing More free lessons at: http://www.khanacademy.org/video?v=TZ7d5kjAlQw
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06:33
Financial Crisis in Thailand Caused by Speculative Attack
646 views / 1 likes - addedHow a currency crisis in Thailand led to a banking crisis in the 1990s More free lessons at: http://www.khanacademy.org/video?v=lA3sjWwu5-s
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07:00
Greek Debt Recession and Austerity (part 1)
545 views / 0 likes - addedA primer of why Greece is in a tough situation (more in future videos) More free lessons at: http://www.khanacademy.org/video?v=9p10aMu1Glo
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05:47
LeBron asks about free throws versus three pointers
548 views / 0 likes - addedLeBron James asks Sal Khan whether it is easier to make three free throws or one three pointer More free lessons at: http://www.khanacademy.org/video?v=PddbEVNMgTY
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05:19
Graphical Systems Application Problem
641 views / 0 likes - addedu14_l1_t1_we5 Graphical Systems Application Problem More free lessons at: http://www.khanacademy.org/video?v=3mimxluSVBo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:03
Extraneous Solutions to Rational Equations
601 views / 0 likes - addedu15_l2_t1_we2 Extraneous Solutions to Rational Equations More free lessons at: http://www.khanacademy.org/video?v=bml74_PsfwA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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10:57
Extraneous Solutions for Radical Equations
504 views / 0 likes - addedu16_l3_t1_we2 Extraneous Solutions for Radical Equations
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02:10
Using Multiple Logarithm Properties to Simplify
521 views / 0 likes - addedu18_l2_t2_we4 Using Multiple Logarithm Properties to Simplify More free lessons at: http://www.khanacademy.org/video?v=RhzXX5PbsuQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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09:09
Inflammation
573 views / 0 likes - addedDr. David Agus talks about inflammation (while Sal repeatedly misspells it with one "m") More free lessons at: http://www.khanacademy.org/video?v=GZ6I3T1RAnQ
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14:34
Health Care Costs in US vs Europe
652 views / 0 likes - addedA discussion about US health care costs More free lessons at: http://www.khanacademy.org/video?v=6YU9HVS2GT0
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09:11
The rule of 72 for compound interest
457 views / 0 likes - addedUsing the rule of 72 to approximate how long it will take for an investment to compound More free lessons at: http://www.khanacademy.org/video?v=mec-QpjQMXY
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04:08
Basics of US income tax rate schedule
495 views / 0 likes - addedUnderstanding that a marginal tax rate does not apply to all of income More free lessons at: http://www.khanacademy.org/video?v=OGVJfcSckUs
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10:07
The Beauty of Algebra
490 views / 0 likes - addedWhy the abstraction of mathematics is so fundamental More free lessons at: http://www.khanacademy.org/video?v=kpCJyQ2usJ4
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07:22
Vitamin C and the Limeys
551 views / 0 likes - addedSal and Dr. David Agus talk about the history of Scurvy and Vitamin C
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20:47 Popular
How Earth's Tilt Causes Seasons
715 views / 0 likes - addedHow being Earth's tilt causes seasons More free lessons at: http://www.khanacademy.org/video?v=05qDIjKevJo
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06:01 Popular
Visualizing Taylor Series Approximations
707 views / 0 likes - addedUsing Wolfram Alpha to approximate sin(x) More free lessons at: http://www.khanacademy.org/video?v=8dMLK2Wueaw
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11:34
Systemic Thinking About Cancer
639 views / 0 likes - addedDr. David Agus discusses thinking systemically about cancer and other things More free lessons at: http://www.khanacademy.org/video?v=7zk0ubr_lzo
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13:14
Scale of the Small
691 views / 0 likes - addedFrom honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3Oa2omo
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08:13
Primaries and Caucuses
452 views / 0 likes - addedHow states choose their delegates for the national party conventions (under CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=z_QeYCg4yJ8
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03:15
US and Japanese Quantitative Easing
508 views / 0 likes - addedComparing quantitative easing in Japan to "credit easing" in the United States More free lessons at: http://www.khanacademy.org/video?v=a-R8qpea6lc
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09:33
Newton's First Law of Motion
624 views / 2 likes - addedNewton's First Law (Galileo's Law of Inertia). More free lessons at: http://www.khanacademy.org/video?v=CQYELiTtUs8
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11:15
Logarithmic Scale
518 views / 0 likes - addedUnderstanding how logarithmic scale is different from linear scale and why it could be useful More free lessons at: http://www.khanacademy.org/video?v=sBhEi4L91Sg
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06:38
Firestick Farming
648 views / 0 likes - addedHow the indigenous Australians used fire to change their environment More free lessons at: http://www.khanacademy.org/video?v=mwUyaeWxJhA
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18:59
Diffusion and Osmosis
496 views / 0 likes - addedDiffusion and Osmosis More free lessons at: http://www.khanacademy.org/video?v=aubZU0iWtgI
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15:43 Popular
Calculus: Derivatives 1 (new HD version)
887 views / 0 likes - addedCalculus-Derivative: Understanding that the derivative is just the slope of a curve at a point (or the slope of the tangent line) More free lessons at: http://www.khanacademy.org/video?v=ANyVpMS3HL4
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07:17 Popular
Are Southern Hemisphere Seasons More Severe?
813 views / 0 likes - addedAre Southern Hemisphere seasons more severe because of the eccentricity in Earth's orbit? More free lessons at: http://www.khanacademy.org/video?v=umvNQj-zmq4
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16:22
Tau versus Pi
548 views / 0 likes - addedWhy Tau might be a better number to look at than Pi More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc
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07:52
Medicare Sustainability
469 views / 0 likes - addedHow medicare is funded and why it is even less sustainable than social security More free lessons at: http://www.khanacademy.org/video?v=o1Y0G8Z67iU
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09:24
Stepping Through the Factorial Program
541 views / 0 likes - addedStepping through what happens when a user inputs a particular value into our factorial program
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07:37
Recursive Fibonacci Example
590 views / 0 likes - addedUsing recursion to write a fibonacci function
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04:32
Introduction to motion (part 3)
446 views / 0 likes - addedUsing the basic equations of distance and velocity to solve motion problems
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09:09
Projectile motion (part 1)
498 views / 0 likes - addedUsing the equations of motion to figure out things about falling objects More free lessons at: http://www.khanacademy.org/video?v=15zliAL4llE
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09:20
2 dimensional projectile motion (part 1)
552 views / 0 likes - addedUsing vectors to solve 2 dimensional projectile motion problems
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10:14
Calculus Proof that a=v^2/r
657 views / 0 likes - addedUsing calculus and vectors to show that centripetal acceleration = v^2/r
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01:15
Evaluate a formula using substitution
508 views / 0 likes - addedu10_l1_t4_we1 Evaluate a formula using substitution More free lessons at: http://www.khanacademy.org/video?v=tC1SfxRvtmM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:58
Graphing using X and Y intercepts
500 views / 0 likes - addedu13_l1_t2_we2 Graphing using X and Y intercepts More free lessons at: http://www.khanacademy.org/video?v=6m642-2D3V4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:08
Plot ordered pairs
468 views / 0 likes - addedu13_l1_t1_we1 Plot ordered pairs More free lessons at: http://www.khanacademy.org/video?v=5ctsUsvIp8w Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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14:15
2003 AIME II Problem 4 (part 1)
679 views / 0 likes - added2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg
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09:06
Area Circumradius Formula Proof
638 views / 0 likes - addedProof of the formula relating the area of a triangle to its circumradius More free lessons at: http://www.khanacademy.org/video?v=x_aax6LSRtE
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10:04 Popular
Tangent Line Hyperbola Relationship (very optional)
1,207 views / 0 likes - addedHow a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video) More free lessons at: http://www.khanacademy.org/video?v=c_8QQbVQKU0
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16:39
Radius of Observable Universe
478 views / 0 likes - addedRadius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=6nVysrZQnOQ
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02:15
(Correction) Radius of Observable Universe
481 views / 0 likes - added(Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv76BQDs
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11:40
Stellar Distance Using Parallax
467 views / 0 likes - addedStellar Distance Using Parallax More free lessons at: http://www.khanacademy.org/video?v=lVadjWOjvV8
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08:00 Popular
Plate Tectonics-- Difference between crust and lithosphere
703 views / 0 likes - addedPlate Tectonics Introduction and Difference between crust and lithosphere More free lessons at: http://www.khanacademy.org/video?v=f2BWsPVN7c4
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09:33
Structure of the Earth
547 views / 0 likes - addedStructure of the Earth - crust, mantle, core More free lessons at: http://www.khanacademy.org/video?v=4AxZ-6MOznY
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11:50 Popular
Compositional and Mechanical Layers of the Earth
839 views / 2 likes - addedCrust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteUIS0OFY
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06:13
The Mohorovicic Seismic Discontinuity
637 views / 0 likes - addedThe Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSucmHrAk
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05:50
How we know about the Earth's core
572 views / 0 likes - addedS-wave shadow and P-wave detection patterns give us information about the core More free lessons at: http://www.khanacademy.org/video?v=KL0i1RSnpfI
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07:18
Detectable Civilizations in our Galaxy 3
566 views / 0 likes - addedReconciling with the traditional Drake Equation More free lessons at: http://www.khanacademy.org/video?v=LRmwUsxNSL0
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09:41
Understanding Calendar Notation
635 views / 0 likes - addedDifference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well. More free lessons at: http://www.khanacademy.org/video?v=EKKe7DBZVhI
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12:04
Precession Causing Perihelion to Happen Later
561 views / 0 likes - addedClarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Sef6wllg
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02:06
What Causes Precession and Other Orbital Changes
412 views / 0 likes - addedWhat causes precession and other orbital changes More free lessons at: http://www.khanacademy.org/video?v=nL6LMX8-bPY
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10:35
Potassium-Argon (K-Ar) Dating
630 views / 0 likes - addedHow K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5kJEviD0
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09:54
Chronometric Revolution
564 views / 0 likes - addedDiscussion of the relatively recent changes in our ability as a species to shine light on our deep past More free lessons at: http://www.khanacademy.org/video?v=5mNTvtjDnP8
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05:10 Popular
U.S. Customary and Metric units
734 views / 0 likes - addedU06_L2_T1_we1 U.S. Customary and Metric units More free lessons at: http://www.khanacademy.org/video?v=y2RHWA7t0WM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:50
Comparing Celsius and Farenheit temperature scales
593 views / 0 likes - addedU06_L3_T1_we1 Comparing Celsius and Farenheit temperature scales More free lessons at: http://www.khanacademy.org/video?v=aASUZqJCHHA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:58
Converting Farenheit to Celsius
532 views / 0 likes - addedU06_L3_T1_we2 Converting Farenheit to Celsius More free lessons at: http://www.khanacademy.org/video?v=NqbkvEK46xM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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01:37
Using the Pythagorean Theorem
604 views / 0 likes - addedu07_l1_t4_we1 Using the Pythagorean Theorem
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06:35 Popular
Acute Obtuse and Right Angles
843 views / 0 likes - addedu07_l1_t1_we2 Acute Obtuse and Right Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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06:04
Entgegen-Zusammen Naming Scheme for Alkenes Examples
553 views / 0 likes - addedEntgegen-Zusammen Naming Scheme for Alkenes Examples More free lessons at: http://www.khanacademy.org/video?v=GFiizJ-jGVw
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04:38
Writing and using inequalities
485 views / 0 likes - addedU05_L1_T3_we1 : Writing and using inequalities More free lessons at: http://www.khanacademy.org/video?v=RHe9X2HDEjA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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06:40
Writing and using inequalities 2
450 views / 0 likes - addedU05_L1_T3_we2 : Writing and using inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=cCMpin3Te4s Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:01
Writing and using inequalities 3
442 views / 0 likes - addedU05_L1_T3_we3 : Writing and using inequalities 3 More free lessons at: http://www.khanacademy.org/video?v=pbLiN8D9gAk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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12:18
Graphing Using Intercepts
479 views / 0 likes - addedMore free lessons at: http://www.khanacademy.org/video?v=6zixwWZ88tk
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11:11
Graphs Using Slope-Intercept Form
492 views / 0 likes - addedMore free lessons at: http://www.khanacademy.org/video?v=9wOalujeZf4
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07:48
Inequalities Using Addition and Subtraction
579 views / 0 likes - addedInequalities Using Addition and Subtraction More free lessons at: http://www.khanacademy.org/video?v=UTs4uZhu5t8
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10:28
Inequalities Using Multiplication and Division
589 views / 0 likes - addedInequalities Using Multiplication and Division More free lessons at: http://www.khanacademy.org/video?v=PNXozoJWsWc
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10:09
Factoring Special Products
665 views / 0 likes - addedFactoring Special Products More free lessons at: http://www.khanacademy.org/video?v=BI_jmI4xRus
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16:32
Using the Quadratic Formula
501 views / 0 likes - addedUsing the Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=i7idZfS8t8w
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08:05
Identifying Quadratic Models
519 views / 0 likes - addedUsing y=x^2 to give a sense of why the change in the change of y (or the change in the slope) is constant
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09:17
Quadratic Regression
572 views / 0 likes - addedUsing a calculator to perform a quadratic regression
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11:10
Extraneous Solutions to Radical Equations
636 views / 0 likes - addedExtraneous Solutions to Radical Equations More free lessons at: http://www.khanacademy.org/video?v=711pdW8TbbY
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09:39 Popular
Distance Formula
750 views / 0 likes - addedHow to find the distance between lines using the Pythagorean Formula More free lessons at: http://www.khanacademy.org/video?v=nyZuite17Pc
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12:09
Polynomial Division
635 views / 0 likes - addedPolynomial Division More free lessons at: http://www.khanacademy.org/video?v=FXgV9ySNusc
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17:27
Introduction to Heredity
453 views / 0 likes - addedHeredity and Classical Genetics. Dominant and recessive traits. Heterozygous and homozygous genotypes. More free lessons at: http://www.khanacademy.org/video?v=eEUvRrhmcxM
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23:17
Viruses
449 views / 1 likes - addedIntroduction to viruses More free lessons at: http://www.khanacademy.org/video?v=0h5Jd7sgQWY
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04:59
Oxidative Phosphorylation and Chemiosmosis
483 views / 0 likes - addedOxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video) More free lessons at: http://www.khanacademy.org/video?v=W_Q17tqw_7A
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21:04
Parts of a cell
543 views / 1 likes - addedParts of a cell: nucleus, ribosomes, endoplasmic reticulum, Golgi bodies, mitochondria, chloroplasts, vacuoles, and vesicles
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09:22
Tropomyosin and troponin and their role in regulating muscle contraction
687 views / 0 likes - addedTropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not. More free lessons at: http://www.khanacademy.org/video?v=LiOfeSsjrB8
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14:43 Popular
Role of the Sarcoplasmic Reticulum in Muscle Cells
876 views / 0 likes - addedThe role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell More free lessons at: http://www.khanacademy.org/video?v=SauhB2fYQkM
Featured -
16:32
Anatomy of a muscle cell
547 views / 0 likes - addedUnderstanding the structure of a muscle cell More free lessons at: http://www.khanacademy.org/video?v=uY2ZOsCnXIA
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10:05
Electron Configurations
615 views / 0 likes - addedIntroduction to using the periodic table to determine electron configurations
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12:13
Periodic Table Trends: Ionization Energy
549 views / 0 likes - addedWhat an ion is. Using the periodic table to understand how difficult it is to ionize an atom. More free lessons at: http://www.khanacademy.org/video?v=ywqg9PorTAw
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15:39
Other Periodic Table Trends
441 views / 0 likes - addedElectronegativity, metallic nature and atomic radius.
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10:08
Ideal Gas Equation Example 1
504 views / 0 likes - addedFiguring out the number of moles of gas we have using the ideal gas equation: PV=nRT. More free lessons at: http://www.khanacademy.org/video?v=erjMiErRgSQ
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15:09
Partial Pressure
465 views / 0 likes - addedFiguring out the partial pressures of various gases in a container. More free lessons at: http://www.khanacademy.org/video?v=d4bqNf37mBY
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14:49
Specific Heat, Heat of Fusion and Vaporization
561 views / 0 likes - addedSpecifict heat and phase changes: Calculating how much heat is needed to convert 200g of ice at -10C to 110 degree steam. More free lessons at: http://www.khanacademy.org/video?v=zz4KbvF_X-0
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13:57
Suspensions, Colloids and Solutions
631 views / 0 likes - addedSuspensions, Colloids and Solutions. The difference between Molarity and Molality. More free lessons at: http://www.khanacademy.org/video?v=3ROWXs3jtQU
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09:22
Heterogenous Equilibrium
544 views / 0 likes - addedIgnoring the solution or the solid state molecules when calculating the equilibrium constant. More free lessons at: http://www.khanacademy.org/video?v=TsXlTWgyItw
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18:37
Acid Base Introduction
578 views / 0 likes - addedArrhenius, Bronsted Lowry, and Lewis Acids and Bases. More free lessons at: http://www.khanacademy.org/video?v=vShCnTY1-T0
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12:22
Exponential Decay Formula Proof (can skip, involves Calculus)
644 views / 0 likes - addedShowing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class. More free lessons at: http://www.khanacademy.org/video?v=H7nrVDV8ahc
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14:37
Quasistatic and Reversible Processes
430 views / 0 likes - addedUsing theoretically quasi-static and/or reversible processes to stay pretty much at equilibrium. More free lessons at: http://www.khanacademy.org/video?v=lKq-10ysDb4
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15:38
Proof: S (or Entropy) is a valid state variable
517 views / 0 likes - addedPrroof that S (or entropy) is a valid state variable. More free lessons at: http://www.khanacademy.org/video?v=sPz5RrFus1Q
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19:15
Entropy Intuition
454 views / 0 likes - addedA discussion of what entropy is and what it isn't. More free lessons at: http://www.khanacademy.org/video?v=xJf6pHqLzs0
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15:40
Hess's Law and Reaction Enthalpy Change
496 views / 0 likes - addedUsing Hess's Law and standard heats of formation to determine the enthalpy change for reactions More free lessons at: http://www.khanacademy.org/video?v=chXMpDwjBDk
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09:57
Gibbs Free Energy Example
583 views / 0 likes - addedDetermining if a reaction is spontaneous by calculating the change in Gibbs Free Energy. More free lessons at: http://www.khanacademy.org/video?v=sG1ZAdYi13A
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13:56
More rigorous Gibbs Free Energy/ Spontaneity Relationship
517 views / 0 likes - addedMore formal understanding of why a negative change in Gibbs Free Energy implies a spontaneous, irreversible reaction. More free lessons at: http://www.khanacademy.org/video?v=7aur5h44pV4
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13:35
Stoichiometry Example Problem 1
602 views / 0 likes - addedFiguring grams of reactants and product produced from reaction of phosphorous and chlorine More free lessons at: http://www.khanacademy.org/video?v=jFv6k2OV7IU
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12:31
Acid Base Titration
479 views / 1 likes - addedUsing acid-base titration to find mass of oxalic acid More free lessons at: http://www.khanacademy.org/video?v=XjFNmfLv9_Q
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16:02
Vapor Pressure Example
505 views / 0 likes - addedVapor pressure example using the Ideal Gas Law More free lessons at: http://www.khanacademy.org/video?v=-QpkmwIoMaY
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15:34
P/E Discussion
476 views / 0 likes - addedDiscussion of the price-to-earnings ratio More free lessons at: http://www.khanacademy.org/video?v=V-rko8jgJ9o
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10:31
ROA Discussion 1
415 views / 0 likes - addedA discussion of the various ways to measure return on assets More free lessons at: http://www.khanacademy.org/video?v=Oh4H3BJX1ZI
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10:17
ROA Discussion 2
332 views / 0 likes - addedMore on the return on asset discussion. More free lessons at: http://www.khanacademy.org/video?v=R_5slDeVCQk
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16:59 Popular
Alien Abduction Brain Teaser
829 views / 1 likes - addedSaving Earth from becoming a mushroom farm. More free lessons at: http://www.khanacademy.org/video?v=K4pocYXOmTQ
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11:13
Economics of a Cupcake Factory
601 views / 0 likes - addedEconomics of a simple business leading up to a discussion on inflation/deflation. Touching on income statements. More free lessons at: http://www.khanacademy.org/video?v=XDIBJyNnLOU
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11:38
Cupcake Economics 2
540 views / 0 likes - addedMore analysis of the cupcake business. More free lessons at: http://www.khanacademy.org/video?v=-LTXzYXaAuk
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12:59
Cupcake Economics 3
601 views / 0 likes - addedUsing our spreadsheet to show why prices decrease when utilization is low and prices increase when utilization is high. More free lessons at: http://www.khanacademy.org/video?v=8x1-TeDxblU
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12:32
Inflation, Deflation&Capacity Utilization
527 views / 0 likes - addedA discussion of inflation and deflation More free lessons at: http://www.khanacademy.org/video?v=LXrPdFn7Gn4
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13:21
Inflation&Deflation 3: Obama Stimulus Plan
604 views / 0 likes - addedIs the stimulus large enough to offset the demand shock caused by the contraction in credit? Will it lead to inflation? More free lessons at: http://www.khanacademy.org/video?v=sZRkERfzzn4
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15:30
CPI Index
649 views / 0 likes - addedDiscussion of inflation, the CPI index and owners' equivalent rent. More free lessons at: http://www.khanacademy.org/video?v=pRIELoITIHI
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03:10
Simple Analysis of Cost per Job Saved from Stimulus
534 views / 0 likes - addedSimple analysis of cost per job saved from stimulus More free lessons at: http://www.khanacademy.org/video?v=sSqxVMbml_k
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02:51
China buys US Bonds
664 views / 0 likes - addedChina buys US Bonds More free lessons at: http://www.khanacademy.org/video?v=Dfkq9SOWxY8
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02:36
Review of China US currency situation
606 views / 0 likes - addedReview of China US currency situation More free lessons at: http://www.khanacademy.org/video?v=DtlFQ_nNaQM
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04:17
Data on Chinese US Balance of Payments
700 views / 0 likes - addedData on Chinese US Balance of Payments More free lessons at: http://www.khanacademy.org/video?v=iNemmT1hnzA
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03:22 Popular
Chinese inflation
757 views / 0 likes - addedChinese inflation More free lessons at: http://www.khanacademy.org/video?v=R_-V6usZJsc
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04:16
Floating Exchange Effect on US
643 views / 0 likes - addedFloating Exchange Effect on US More free lessons at: http://www.khanacademy.org/video?v=K0GF4FT51qY
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11:18
Statistics: Sample Variance
490 views / 0 likes - addedUsing the variance of a sample to estimate the variance of a population More free lessons at: http://www.khanacademy.org/video?v=Qf3RMGXR-h8
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10:02
Probability Density Functions
612 views / 0 likes - addedProbability density functions for continuous random variables. More free lessons at: http://www.khanacademy.org/video?v=Fvi9A_tEmXQ
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10:46
Binomial Distribution 4
548 views / 0 likes - addedUsing Excel to visualize the basketball binomial distribution More free lessons at: http://www.khanacademy.org/video?v=H0ZgOGWUcJw
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10:53
ck12.org Normal Distribution Problems: Qualitative sense of normal distributions
672 views / 0 likes - addedDiscussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ
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10:25 Popular
ck12.org Normal Distribution Problems: Empirical Rule
928 views / 0 likes - addedUsing the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU
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08:16 Popular
ck12.org Exercise: Standard Normal Distribution and the Empirical Rule
892 views / 0 likes - addedUsing the Empirical Rule with a standard normal distribution More free lessons at: http://www.khanacademy.org/video?v=2fzYE-Emar0
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11:11 Popular
Small Sample Size Confidence Intervals
722 views / 0 likes - addedConstructing small sample size confidence intervals using t-distributions More free lessons at: http://www.khanacademy.org/video?v=K4KDLWENXm0
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10:45
Correlation and Causality
672 views / 0 likes - addedUnderstanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise) More free lessons at: http://www.khanacademy.org/video?v=ROpbdO-gRUo
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12:02
Bailout 6: Getting an equity infusion
633 views / 0 likes - addedThe bank gets bailed out by an equity infusion from a sovereign wealth fund. More free lessons at: http://www.khanacademy.org/video?v=jDNalKBb3aA
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10:25
Bailout 7: Bank goes into bankruptcy
637 views / 0 likes - addedWhat happens when there is no equity infusion and the bank goes in to bankruptcy. More free lessons at: http://www.khanacademy.org/video?v=MdIfefLcdoU
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11:02
Banking 6: Bank Notes and Checks
623 views / 0 likes - addedMore on how bank notes and checks can be used. More free lessons at: http://www.khanacademy.org/video?v=IOzZVmgK3IM
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10:13 Popular
Banking 17: What happened to the gold?
710 views / 0 likes - addedGetting off the gold standard. A short discussion of the meaning of wealth. More free lessons at: http://www.khanacademy.org/video?v=NFDMXwwzyIM
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14:08
Banking 18: Big Picture Discussion
598 views / 0 likes - addedPros and Cons of various banking systems. More on gold. More free lessons at: http://www.khanacademy.org/video?v=T9byZBGtGuw
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21:28
FRB Commentary 3: Big Picture
665 views / 0 likes - addedSummary of thoughts in last two videos. Discussion of why Fractional Reserve Banking is a subsidy to banks and allows them to arbitrage the yield curve. More free lessons at: http://www.khanacademy.org/video?v=8SAMey9Gl5I
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09:21
The housing price conundrum
621 views / 0 likes - addedWhy did housing prices go up so much from 2000-2006 even though classical supply/demand would not have called for it More free lessons at: http://www.khanacademy.org/video?v=8IR5LefXVPY
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08:55
Housing price conundrum (part 2)
664 views / 0 likes - addedHow lower lending standards led to housing price inflation. More free lessons at: http://www.khanacademy.org/video?v=wYAhlTHIBT4
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09:49
Housing Price Conundrum (part 3)
531 views / 0 likes - addedWhy did lending standards become more and more lax from 2000 to 2006? More free lessons at: http://www.khanacademy.org/video?v=aAfMps_VyOY
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06:54
Housing Conundrum (part 4)
535 views / 0 likes - addedThe virtuous circle of housing price appreciation making defaults go down making lending lax making housing appreciate even more More free lessons at: http://www.khanacademy.org/video?v=s6UYa2nwaDw
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09:54
Exact Equations Intuition 1 (proofy)
700 views / 0 likes - addedChain rule using partial derivatives (not a proof; more intuition). More free lessons at: http://www.khanacademy.org/video?v=iEpqcdaJNTQ
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10:17
Integrating factors 1
546 views / 0 likes - addedUsing an integrating factor to make a differential equation exact More free lessons at: http://www.khanacademy.org/video?v=j511hg7Hlbg
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07:22
First order homegenous equations
603 views / 0 likes - addedIntroduction to first order homogenous equations. More free lessons at: http://www.khanacademy.org/video?v=9Wfn-WWV1aY
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08:23
First order homogenous equations 2
569 views / 0 likes - addedAnother example of using substitution to solve a first order homogeneous differential equations. More free lessons at: http://www.khanacademy.org/video?v=6YRGEsQWZzY
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09:45
2nd Order Linear Homogeneous Differential Equations 1
582 views / 0 likes - addedIntroduction to 2nd order, linear, homogeneous differential equations with constant coefficients. More free lessons at: http://www.khanacademy.org/video?v=UFWAu8Ptth0
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08:28
2nd Order Linear Homogeneous Differential Equations 2
592 views / 0 likes - addedLet's find the general solution! More free lessons at: http://www.khanacademy.org/video?v=SPVqgkOZMAc
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05:59
2nd Order Linear Homogeneous Differential Equations 3
578 views / 1 likes - addedLet's use some initial conditions to solve for the particular solution More free lessons at: http://www.khanacademy.org/video?v=UyCwAFQt4v0
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09:11
2nd Order Linear Homogeneous Differential Equations 4
631 views / 0 likes - addedAnother example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=3uO_uPb9H8w
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08:52
Repeated roots of the characterisitic equations part 2
525 views / 0 likes - addedAn example where we use initial conditions to solve a repeated-roots differential equation. More free lessons at: http://www.khanacademy.org/video?v=YezsgIlcb68
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10:11
Undetermined Coefficients 1
577 views / 0 likes - addedUsing the method of undetermined coefficients to solve nonhomogeneous linear differential equations. More free lessons at: http://www.khanacademy.org/video?v=znE4Nq9NJCQ
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11:01
Undetermined Coefficients 2
495 views / 0 likes - addedAnother example using undetermined coefficients. More free lessons at: http://www.khanacademy.org/video?v=hbJ2o9EUmJ0
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08:10
Undetermined Coefficients 3
549 views / 0 likes - addedAnother example where the nonhomogeneous part is a polynomial More free lessons at: http://www.khanacademy.org/video?v=I3vIAzMcm4Y
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11:37 Popular
Laplace Transform 5
716 views / 0 likes - addedUseful properties of the Laplace Transform More free lessons at: http://www.khanacademy.org/video?v=E2VxbufzuWQ
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10:52
Laplace Transform to solve an equation
588 views / 0 likes - addedUsing the Laplace Transform to solve an equation we already knew how to solve. More free lessons at: http://www.khanacademy.org/video?v=3uYb-RhM7lU
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10:46
Laplace Transform solves an equation 2
536 views / 0 likes - addedSecond part of using the Laplace Transform to solve a differential equation. More free lessons at: http://www.khanacademy.org/video?v=EdQ7Q9VoF44
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18:48
Using the Laplace Transform to solve a nonhomogenous eq
486 views / 0 likes - addedSolving a non-homogeneous differential equation using the Laplace Transform More free lessons at: http://www.khanacademy.org/video?v=nlUG4OKN1IY
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19:15
Inverse Laplace Examples
568 views / 0 likes - addedUsing our toolkit to take some inverse Laplace Transforms More free lessons at: http://www.khanacademy.org/video?v=BbqbvSig6Mc
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19:12 Popular
Laplace/Step Function Differential Equation
739 views / 0 likes - addedHairy differential equation involving a step function that we use the Laplace Transform to solve. More free lessons at: http://www.khanacademy.org/video?v=R0JY8oWsuOY
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12:14
Using the Convolution Theorem to Solve an Initial Value Prob
592 views / 0 likes - addedUsing the Convolution Theorem to solve an initial value problem More free lessons at: http://www.khanacademy.org/video?v=rfyq32mHcYs
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13:36
Inverting Matrices (part 3)
669 views / 0 likes - addedUsing Gauss-Jordan elimination to invert a 3x3 matrix. More free lessons at: http://www.khanacademy.org/video?v=obts_JDS6_Q
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16:33
Matrices to solve a system of equations
582 views / 0 likes - addedUsing the inverse of a matrix to solve a system of equations. More free lessons at: http://www.khanacademy.org/video?v=AUqeb9Z3y3k
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14:20
Matrices to solve a vector combination problem
583 views / 0 likes - addedUsing matrices to figure out if some combination of 2 vectors can create a 3rd vector More free lessons at: http://www.khanacademy.org/video?v=gsNgdVdAT1o
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13:53
Defining a plane in R3 with a point and normal vector
687 views / 0 likes - addedDetermining the equation for a plane in R3 using a point on the plane and a normal vector More free lessons at: http://www.khanacademy.org/video?v=UJxgcVaNTqY
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13:40
Showing that the candidate basis does span C(A)
627 views / 0 likes - addedShowing that just the columns of A associated with the pivot columns of rref(A) do indeed span C(A). More free lessons at: http://www.khanacademy.org/video?v=CkQOCnLWPUA
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16:34 Popular
Linear Algebra: Exploring the solution set of Ax=b
1,847 views / 0 likes - addedExploring the solution set of Ax=b (non homogeneous equations) More free lessons at: http://www.khanacademy.org/video?v=1PsNIzUJPkc
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07:18 Popular
Linear Algebra: Rule of Sarrus of Determinants
720 views / 0 likes - addedA alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus) More free lessons at: http://www.khanacademy.org/video?v=4xFIi0JF2AM
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12:07
Linear Algebra: Transpose of a Vector
642 views / 0 likes - addedTranspose of a column vector. Matrix-matrix products using vectors More free lessons at: http://www.khanacademy.org/video?v=lSoaMCNKfAg
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27:01 Popular
Lin Alg: Representing vectors in Rn using subspace members
1,094 views / 0 likes - addedShowing that any member of Rn can be represented as a unique sum of a vector in subspace V and a vector in the orthogonal complement of V. More free lessons at: http://www.khanacademy.org/video?v=M6lFqkqvUgo
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18:50
Linear Algebra: Least Squares Examples
683 views / 0 likes - addedAn example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE
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13:25 Popular
Linear Algebra: Another Least Squares Example
736 views / 0 likes - addedUsing least squares approximation to fit a line to points More free lessons at: http://www.khanacademy.org/video?v=QkepM8Vv3kw
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17:55 Popular
Linear Algebra: Change of Basis Matrix
720 views / 0 likes - addedUsing a change of basis matrix to get us from one coordinate system to another. More free lessons at: http://www.khanacademy.org/video?v=1j5WnqwMdCk
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13:34
Lin Alg: Invertible Change of Basis Matrix
650 views / 0 likes - addedUsing an invertible change of basis matrix to go between different coordinate systems More free lessons at: http://www.khanacademy.org/video?v=meibWcbGqt4
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27:04 Popular
Lin Alg: Example using orthogonal change-of-basis matrix to find transformation matrix
719 views / 0 likes - addedExample using orthogonal change-of-basis matrix to find transformation matrix More free lessons at: http://www.khanacademy.org/video?v=gfVY7cW7VLQ
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19:24
Linear Algebra: The Gram-Schmidt Process
661 views / 0 likes - addedFinding an orthonormal basis for a subspace using the Gram-Schmidt Process More free lessons at: http://www.khanacademy.org/video?v=rHonltF77zI
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13:14
Linear Algebra: Gram-Schmidt Process Example
648 views / 0 likes - addedUsing Gram-Schmidt to find an orthonormal basis for a plane in R3 More free lessons at: http://www.khanacademy.org/video?v=tu1GPtfsQ7M
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15:44
Singapore Math: Grade 3a, Unit 1 (part 6)
475 views / 0 likes - addedOrdering numbers using place value
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06:52
Exactly Three Heads in Five Flips
664 views / 0 likes - addedProbability of exactly 3 heads in 5 flips using combinations More free lessons at: http://www.khanacademy.org/video?v=udG9KhNMKJw
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