In this video, Paul Andersen discriminates between spontaneous (or thermodynamically favored) processes and those that are not spontaneous. A spontaneous process requires no external energy source. If the enthalpy change in a reaction is...

Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included. Utilize the practice problems and...

This lesson will define the first law of thermodynamics, and use examples to illustrate conservation of energy.

Find put how the ideal gas "law" often becomes little more than the ideal gas estimate when it comes to what gases do naturally. But it's a close enough estimate in enough situations that it's very valuable to know. In this episode, Hank...

Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is...

Hank bursts our ideal gas law bubble, and brings us back to reality, explaining how the constants in the gas law aren't all that constant; how the ideal gas law we've spent the past two weeks with has to be corrected for volume because...

Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of thermodynamics! In this video [10:04] episode of...

A video lecture exploring the difference between macrostates, microstates, and thermodynamic equilibrium. Understand how macrostates is best defined when the system is in thermal equilibrium and describes pressure, temperature, and...

Figuring grams of reactants and product produced from reaction of phosphorous and chlorine.

Understand that an almost static process is called quasi-static process in this video lecture. Also explained is how all reversible processes are quasi-static but not all quasi-static processes are reversible. Video lecture gives...

Proving that a Carnot Engine is the most efficient engine

Definition of efficiency for a heat engine. Efficiency of a Carnot Engine.

A video lecture discussing the definition of entropy as the change of states and as the heat added to the system divided by the temperature added. The video reconciles these two definitions by going through examples to explain how they...

An introduction to the concept of a mole and its role in the field of thermodynamics. Using a periodic table, one learns how to calculate the number of moles a quantity of an element has, based on its atomic mass. Goes on to explain how...

An introduction to Kelvin. Example of a problem involving the ideal gas law.

Discussion of how gases generate pressure in a container and why pressure times volume is proportional to the combined kinetic energy of the molecules in the volume. [9:49]

Demonstrates an example problem involving the formula PV=nRT. After calculating how many moles, he uses Avogadro's Number of molecules per mole, to calculate how many atoms that amount would represent. [8:00in]

Example problem where P1V1=P2V2. Includes an introduction to temperature. [10:08]

This lesson will introduce the second law of thermodynamics and define the term entropy, providing examples of entropy.

A crash course episode introducing what the state function is, and how it varies from a path-dependent function; why enthalpy change is different from heat; and the fact that bonds are energy and to form and break them they release and...

A video lecture defining the first law of thermodynamics and internal energy. Understand that energy is only transferred from one form to another and not created or destroyed. Also learn how measure the amount of energy something has as...

A video lecture to explain what entropy is and what it isn't. Two definition of entropy are introduced and explored to show how they can be reconciled. Also investigated is the second law of thermodynamics and its relationship to...

This project demonstrates how to power a juice-can boat with a lighted candle. The candle heats the air, causing it to expand and push against the 'thermal sail' of the can, and move across the surface of the water. [3:53]

It's time to talk about one of the most awesome scientists: Marie Curie. She figured out ways to get an education despite limitations of her homeland, was the first woman to win a Nobel Prize, and was the first person to win two Nobel...