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CEM 142 (5)
Midterm

Exam 1 - Chemical Reactions

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Department
Chemistry
Course
CEM 142
Professor
Prof.Harrison
Semester
Spring

Description
CEM 142 Lecture Notes Prof. Harrison CHEMICAL REACTIONS – Theories, Catalysis, and Mechanisms 1/15/13-1/17/13 2 Theories of Chemical Reactions:  Collision Theory  Transition State Theory Collision Theory (requirements for reaction to occur):  Molecules collide with each other  Sufficient energy to break bonds  Correct orientation Arrhenius Equation:  o E = Activation energy A o T = Temperature o R = 8.3145  ( ) Transition State Theory:  Also called activated complex theory  Arrangement of atoms at the highest point Equilibrium of Reactants   Activated Complex Rate = [Activated Complex] = k
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