This introductory physical chemistry course examines the connections between molecular properties and the behavior of macroscopic chemical systems.

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This introductory physical chemistry course examines the connections between molecular properties and the behavior of macroscopic chemical systems.

4.9 (188 ratings)

- 5 stars170 ratings
- 4 stars17 ratings
- 3 stars1 ratings

Aug 30, 2018

Interesting and challenging. It brings together some Stats, Chemistry and Physics. The homework was thought provoking and informative. I learned a great deal.

Aug 14, 2018

Great course with clear lecture and experimental illustration! Even for those who have already studied physical chemistry. Really great course!

From the lesson

Module 6

This module introduces a new state function, entropy, that is in many respects more conceptually challenging than energy. The relationship of entropy to extent of disorder is established, and its governance by the Second Law of Thermodynamics is described. The role of entropy in dictating spontaneity in isolated systems is explored. The statistical underpinnings of entropy are established, including equations relating it to disorder, degeneracy, and probability. We derive the relationship between entropy and the partition function and establish the nature of the constant β in Boltzmann's famous equation for entropy. Finally, we consider the role of entropy in dictating the maximum efficiency that can be achieved by a heat engine based on consideration of the Carnot cycle. Homework problems will provide you the opportunity to demonstrate mastery in the application of the above concepts.

#### Dr. Christopher J. Cramer

Distinguished McKnight and University Teaching Professor of Chemistry and Chemical Physics

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