Lec 06 Jan 16 Fri - 1.16 4. Potential Energy Profiles and...

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1.16 e.g. N 2 O (g) + NO (g) N 2 (g) + NO 2 (g) (O-N-N) (N-O) (N-N) (O-N-O) 4. Potential Energy Profiles and Transition State Theory ( Section 14-8 ) • look at the whole reaction by plotting the potential energy as a function of reaction progress : (don’t need to show multiple bonds) Predict a collision with the proper orientation to form products for the given reaction. Answer: I would ask you this: (Fg. 14-10) Reaction energy proFle : partial making and breaking of bonds here (at molecular level!)
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1.17 Important terms: E a : Activation energy is the energy hump reactants have to get over to make product. Need kinetic energy to do this ( E E a ). Transition State : the species that exists at the transition state is called the activated complex , which has all species in proper orientation with the partial making/breaking of bonds. It is very unstable but can be be studied! (Ahmed Zewail, Nobel 1999) The activated complex can proceed forwards or back to reactants.
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This note was uploaded on 03/25/2009 for the course CHEM 102 taught by Professor Drk during the Spring '09 term at University of Alberta.

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Lec 06 Jan 16 Fri - 1.16 4. Potential Energy Profiles and...

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