5.111SC | Fall 2014 | Undergraduate

Principles of Chemical Science

Unit V: Chemical Kinetics

Lecture 30: Kinetics: Rate Laws

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Image excerpted from Lecture 30 Notes 

  1. Introduction to Kinetics
    1. Rates of Chemical Reactions
    2. Rate Expressions and Rate Laws

Lecture Video

Whether a reaction will go forward spontaneously depends on the thermodynamics. How fast a reaction goes depends on the kinetics. Decomposition of a molecule might be thermodynamically favorable (the molecule is unstable) but kinetically slow (the molecule is inert). In thinking about chemical reactions, rate matters. This lecture provides an introduction to kinetics and shows one of the coolest reactions known: the oscillating clock reaction. Watch as colors change quickly as different steps in the reaction become spontaneous.

Lecture Notes

Notes for Lecture 30 (PDF)

Clicker Questions

Lecture 30 Clicker Questions (PDF)

Textbook Reading

Reaction Rates Sections 14.1–14.5 Sections 13.1–13.5

Problems and Solutions

Problems for Lecture 30 (PDF)

Solutions for Lecture 30 (PDF)

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Fall 2014
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