Transcript Lecture #7 (ppt)

Lecture 7
AOSC/CHEM 637
Atmospheric Chemistry
R. Dickerson
OUTLINE
KINETICS
Transition state theory
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O=N∙ ∙ ∙O::O∙ ∙ ∙N=O
H-S-H∙ ∙ ∙O=O-O (??)
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Try to draw transition states for:
2H2O + SO3 → H2SO4 + H2O
H-O-H∙ ∙ ∙O=S(O)-O∙ ∙ ∙ H-O-H
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For bimolecular reactions we can estimate
partition function quotients; see table.
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*
*The most recent evaluation (JPL) is:
k2 = 3.3x10-31 (T/300)-4.3 cm6 s-1
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