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Vapor Pressure Example, Chemistry
A problem from a chemistry textbook is posed on the screen. Sal solves the problem, which attempts to calculate vapor pressure using the Ideal Gas Law. The rate of evaporation of water given a specific volume, temperature, and pressure...
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Mini-Video on Ion Size, Periodic Table, Chemistry
Sal discusses what happens to elements when they become ionized. He demonstrates that when neutral atoms become ionized, they can significantly change their relative atomic sizes. He uses the Periodic Table of the Elements to illustrate...
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Work from Expansion, Thermodynamics, Physics
Sal's series on the Law of Thermodynamics continues with this video on how heat and work are added to, or taken away from, a system. As a result of the heat and work energy, the system that is being worked on will transform into another...
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States of Matter Follow-Up, States of Matter and Intermolecular Forces, Chemistry
Sal continues his explanation of the states of matter by focusing on hydrogen bonds. This time, he uses plasma as the substance being studied, and explains how the hydrogen bonds change as the substance goes from solid to liquid to gas.
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More on Oxidation States
In the previous video, Sal presented how elements move toward a state of oxidation (by losing electrons), and a state of reduction (by gaining electrons). This lecture takes that concept a bit further, and he provides more examples.
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Enthalpy, Thermodynamics, Chemistry
Sal introduces students to the term "enthalpy" in this chemistry video. He defines enthalpy as: the internal energy, plus the pressure times the volume found in a system. He constructs a PV diagram to illustrate this point.
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More Exponential Decay Examples, Nuclear Chemistry, Chemistry
This video is an extension of the previous video, which introduced exponential decay and showed students how to solve for it. More examples are given to give students further practice.
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Hydrogen Peroxide Correction
This very short video is used to correct an error that Sal made in the previous video regarding the solution, Hydrogen Peroxide.
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Bailout 5: Paying off the Debt
Chronicling the "first wave" of the financial crisis with a short review, Sal goes on to explain how bad choices and unfortunate moves by several banks can lead to total disruption of the financial system. Sprinkling real-world examples...
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Bailout 12: Lone Star Transaction
Departing from his trademark theoretical balance sheets, Sal guides the viewer through a real-life "outlandish" transaction between Merrill Lynch and Lone Star Funds. Budding economists can exercise their growing economic skills by...
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Bailout 15: More on the Solution
Sal continues his argument for "the Plutzy Plan" (named after his friend who initially posed the idea). He outlines both theoretical and practical implementation ideas to restore the financial system. His theories will invigorate your...
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Bailout 11: Why These CDOs Could be Worth Nothing
Differentiating between a $700 billion "blank check" and the acquisition of assets, this video explores the idea that the CDOs purchased by the government could be worth nothing. Sal takes students through the mathematical and economic...
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Bailout 4: Mark-to-Model vs. Mark-to-Market
The saga of Sal's fictional bank - as it relates to the very real-world banking world today - continues in this video, which covers ways to account for an asset (mark-to-model vs. mark-to-market). Sal does not hide his opinion here,...
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Bailout 2: Book Value, Money, Banking and Central Banks, Finance and Capital Markets
Your class has been exposed to the effects and ramifications of the recent financial crisis. In this video, Sal helps to clarify the terms and procedures of what has been happening. He uses a fictional balance sheet to illustrate the...
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Bailout 1: Liquidity vs. Solvency
Introducing the circumstances surrounding the 2008 bailout and financial crisis, Sal uses a simplified analogy to help students see the heart of the matter. He covers the importance of credit and credit scores, as well as what happens...
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Bailout 7: Bank Goes into Bankruptcy
Some banks escaped certain disaster with a bailout by the government. But, what about the rest? Sal explains the intricacies and dynamics of a bailout down to the details on a balance sheet. He also provides a thorough definition of...
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Bailout 8: Systemic Risk
Using several balance sheets, Sal illustrates the connectivity of banks and how one bank failure can affect many. Again, he uses the example of Lehman Brothers as the "catalyst for this chain of events" to explain how one bankrupt bank...
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Bailout 14: Possible Solution
Ripe for discussion in your economics and government classes, this video features Sal's idea for the best possible solution to the financial crisis. He first details the situation and what the plan would entail; he then takes viewers...
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Bailout 6: Getting an Equity Infusion
What does a bank do when it has reached the end of its equity? Sal demonstrates the eleventh-hour attempts by banks to liquidate all assets before doomsday. He also covers some of the rationale behind not accepting market prices and...
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Bailout 3: Book Value vs. Market Value
The "housing bubble" is addressed in this video, as well as the discrepancy between a stock's market value and its book value. Students will learn about the intricacies of the stock market, as well as an introduction to the housing...
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Bailout 9: Paulson's Plan
Equally informative and opinionated, this video is sure to inspire thoughtful discussions and debate among your students. Sal outlines Paulson's plan - and explains his own (unfavorable) opinion about it.
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Subtracting Mixed Numbers 2, Fractions, Pre-Algebra
To subtract mixed numbers, it may be necessary to find the least common multiple to establish a common denominator. This is just what Sal does in this presentation. First, he shows how to find a common denominator and then the process...
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Writing a Number in Expanded Form, Arithmetic Properties, Pre-Algebra
Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is equivalent to 7x1, the 9 in the tens place is...
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Writing a Number in Standard Form, Arithmetic Properties, Pre-Algebra
Viewing this Khan Academy video helps with grasping the concept of place value. Learners write the word six hundred forty-five million, five hundred eight-four thousand, four hundred sixty-two in standard form, using multiplication as a...