Assume that the reaction: 2 N,0, → 4 NO, + O, proceeds via the following three-step mechanism: N2O5 NO2 + NO3 kp NO, + NO, NO + NO, + O2 k3 2 NO, NO, + NO - where kf and kb represent the forward and backward rate constants for the first step. Derive the differential rate law for [O2] using the steady state approximation, i.e. the assumption that intermediates are consumed at the same rate as they are produced.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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6. Assume that the reaction:
2 N,0, → 4 NO, + 0,
→4 NO, + 0,
proceeds via the following three-step mechanism:
kf
N2O5 NO2 + NO3
kb
k2
NO, + NO, NO + NO, + 0,
k3
NO, + NO→2 NO,
where kt and kb represent the forward and backward rate constants for the first
step. Derive the differential rate law for [O2] using the steady state approximation, i.e.
the assumption that intermediates are consumed at the same rate as they are
produced.
Transcribed Image Text:6. Assume that the reaction: 2 N,0, → 4 NO, + 0, →4 NO, + 0, proceeds via the following three-step mechanism: kf N2O5 NO2 + NO3 kb k2 NO, + NO, NO + NO, + 0, k3 NO, + NO→2 NO, where kt and kb represent the forward and backward rate constants for the first step. Derive the differential rate law for [O2] using the steady state approximation, i.e. the assumption that intermediates are consumed at the same rate as they are produced.
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