Question: 1. The rate expression below has been obtained from reactor tests for the low temperature decomposition of ozone that is catalyzed by chlorine. d[03]/dt =

1. The rate expression below has been obtained from reactor tests

1. The rate expression below has been obtained from reactor tests for the low temperature decomposition of ozone that is catalyzed by chlorine. d[03]/dt = -k[Cl2]0.5 [O3]1.5 You have proposed the following mechanism (that is, sequence of elementary steps) for this reaction: k1 Cl2 + 03 1 CIO. + ClO2 k2 ClO2 + 03 ClO3. + O2 k3 ClOz. + 03 ClO2: +202 k4 2C103. Cl2 + 302 ks 2clo. Cl2 + O2 Part A: Which rate constants belong to (a) initiation, (b) propagation, and (c) termination steps? Part B: Using the Steady State Approximation (SSA, Chapter 5), what rate expression results from this mechanism? Be careful with the stoichiometry. Recall that ra/va= rb/VB, etc. = Part C: Is the expression from the SSA consistent with the equation derived from experimentation? Assume that the term representative of the initiation step is negligible

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