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Unformatted text preview: or k in Bimolecular Reactions
• Compare chemical reaction rate expression to
earlier equation for inelastic bimolecular
n A nB g
kT k e 2 kT in d a dC
dt kAB N Av g kT
Collision model for
reaction rate constant
• Recall above was integrated over all orientations
kcoll a – can be important for chemical reactions k kcoll Psteric
Chemical Nonequilibrium -10
Copyright © 2010 by Jerry M. Seitzman. All rights reserved. AE6050 5 School of Aerospace Engineering Arrhenius Rate Law
Empirical Result • Compare to simple activation
AB n A nB k ge a Arrhenius Rate ln(k) k kT Psteric N Av g e a RT Ae RT 1 RT • Examine temperature dependence k AT 1 2e a g RT 8k Boltz T More general T dependence k AT b e a temp.
exponent pre-expon. factor RT Modified
Arrhenius Rate “activation”...
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This note was uploaded on 02/27/2014 for the course AE 6050 taught by Professor Staff during the Summer '08 term at Georgia Institute of Technology.
- Summer '08