5.111SC | Fall 2014 | Undergraduate

Principles of Chemical Science

Unit V: Chemical Kinetics

Lecture 32: Kinetics: Reaction Mechanisms

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Image excerpted from Lecture 32 Notes 

  1. Investigating Reaction Mechanisms

Lecture Video

Chemists experimentally determine rate laws and then use that experimental information to propose reaction mechanisms. In an overall reaction, some steps will be fast and others slow. One step can be so slow that it governs the overall rate of the reaction; it is the rate-determining step. Learn how to predict reaction mechanisms using the steady-state approximation as well as information about fast and slow steps.

Lecture Notes

Notes for Lecture 32 (PDF)

Clicker Questions

Lecture 32 Clicker Questions (PDF)

Textbook Reading

Reaction Mechanisms Sections 14.7–14.8 Sections 13.7–13.8
Rates and Equilibrium Section 14.10 Section 13.10

Problems and Solutions

Problems for Lecture 32 (PDF)

Solutions for Lecture 32 (PDF)

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Course Info

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Fall 2014
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