Instructional Video
Khan Academy

Khan Academy: More Rigorous Gibbs Free Energy / Spontaneity Relationship

9th - 10th
Extended explanation of the effect of a negative charge on Gibbs Free Energy. [13:56]
Instructional Video
Khan Academy

Khan Academy: A Look Ar a Seductive but Wrong Gibbs/spontaneity Proof

9th - 10th
An explanation why many textbooks are incorrect in their details about the "proof" of the relation between Gibbs free energy state and spontaneity. [6:41]
Instructional Video
Khan Academy

Khan Academy: Changes in Free Energy and the Reaction Quotient

9th - 10th
An explanation of Gibbs Free Energy and the reaction quotient under conditions that are not standard. [15:47]
Instructional Video
Khan Academy

Khan Academy: 2015 Ap Chemistry Free Response 2 C

9th - 10th
Explanation of Gibbs free energy and equilibrium constant of dehydration. Example is from the 2015 AP chemistry test. [12:23]
Instructional Video
Khan Academy

Khan Academy: Biology: Energy and Enzymes: Introduction to Entropy

9th - 10th
Get an introduction to entropy in this video. [7:26]
Instructional Video
Khan Academy

Khan Academy: Biology: Energy and Enzymes: Why Heat Increases Entropy

9th - 10th
Do you know why heat increases entropy? In this video, students can explore entropy and its ability to do work. [7:01]
Instructional Video
Khan Academy

Khan Academy: Thermodynamic Entropy Definition Clarification

9th - 10th
Using a reversible system to clarify the definition of entropy in thermodynamics. [15:38]
Instructional Video
Khan Academy

Khan Academy: Introduction to Entropy

9th - 10th
An introduction to entropy and its relationships to various states for a system. [7:27]
Instructional Video
University of Nottingham

Sixty Symbols: Symbols of Physics and Astronomy: Entropy

9th - 10th
University of Nottingham scientists explain what entropy is, using real-life examples in order to illustrate this concept on the molecular level. [4:25]
Instructional Video
Sophia Learning

Sophia: Entropy and Negentropy: Lesson 3

9th - 10th
At the end of this tutorial, the learner will understand the concepts of entropy and negentropy and will understand that systems gradually move towards entropy unless additional energy is introduced to them. It is 3 of 3 in the series...
Instructional Video
Bozeman Science

Bozeman Science: Second Law of Thermodynamics

9th - 10th
In the following video Paul Andersen explains how the second law of thermodynamics applies to reversible and irreversible processes. In a reversible process the net change in entropy is zero. In and irreversible process the entropy will...
Instructional Video
Bozeman Science

Bozeman Science: Entropy

9th - 10th
Entropy is simply the dispersion of matter or energy. Paul Andersen begins with a series of video that show the natural direction of processes. According to the second law of thermodynamics the entropy may never decrease in a closed...
Instructional Video
Crash Course

Crash Course Physics #23: Thermodynamics

9th - 10th
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...
Instructional Video
Khan Academy

Khan Academy: Chemistry: More Rigorous Gibb's Free Energy

9th - 10th
A video lecture that derives the Gibb's free energy equation. The video starts by reviewing what a irreversible and reversible process is with explanations and diagrams. While describing irreversible and spontaneous process the formula...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Maxwell's Demon

9th - 10th
A video lecture explaining that the Maxwell's "demon" does not contradict the second law of thermodynamics. Video begins by reviewing the second law of thermodynamics which states that the universe tends to move towards more entropy....
Instructional Video
Khan Academy

Khan Academy: Chemistry: More on Entropy

9th - 10th
A video lecture describing how entropy is a macrostate variable that also describes the number of states a system can take on. The video explains some misconceptions about previous given analogies to describe entropy. [9:30]
Instructional Video
Khan Academy

Khan Academy: Chemistry: Proof Entropy Is a Valid State Variable

9th - 10th
A video lecture defining a state variable and the characteristics of the value. Understand that to be a valid state variable its value should remained unchanged as it goes around the Carnot cycle. Video shows the math and theory behind...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Gibb's Free Energy and Spontaneity

9th - 10th
Understand the intuition to why Gibb's free energy equation can predict whether a reaction is spontaneous in this video lecture. The lecture goes through scenarios to show how a reaction may happen spontaneously based on enthalpy,...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Thermodynamics and Entropy

9th - 10th
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...
Instructional Video
Khan Academy

Khan Academy: Chemistry: A Look at an Incorrect Gibbs/spontaneity Proof

9th - 10th
A video lecture exploring how a derivation of the Gibb's free energy equation shown in some textbooks makes an incorrect assumption. The proof defines entropy as an irreversible transfer of heat which is incorrect and causes the basis...
Instructional Video
Sophia Learning

Sophia: 2nd Law: Entropy

9th - 10th
This lesson will introduce the second law of thermodynamics and define the term entropy, providing examples of entropy.
Instructional Video
Crash Course

Crash Course Chemistry #20: Entropy Embrace the Chaos!

9th - 10th
In chemistry, entropy is the measure of molecular randomness, or disorder. Listen to this crash course, and embrace the chaos as Hank teaches about entropy. [13:41]
Instructional Video
Bozeman Science

Bozeman Science: Second Law of Thermodynamics

9th - 10th
Paul Andersen explains how the second law of thermodynamics applies to reversible and irreversible processes. In a reversible process the net change in entropy is zero. In and irreversible process the entropy will always increase in a...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Thermodynamic Entropy Definition Clarification

9th - 10th
Understand that thermodynamic entropy does not deal with the heat added and the different temperatures at which it is added but rather the reversible heat and temperature to calculate the change in entropy. This video lecture reminds...