Derive the rate law for the decomposition of ozone in the reaction 2 O3(g)→3 O2(g) on the basis of the (incomplete) mechanism: O3→O2 + O ka O2 + O→O3 k′a O + O3→O2 + O2 kb This reaction presents two limit behaviours: a) it is of first order with respect to O3 concentration b) it is of second order with respect of the O3 concentration. Under which conditions do you think you will get one or the other? Assume you can use the stationary state approximation. Which will be the half-life time of the ozone if behaviour a) is assumed?
Derive the rate law for the decomposition of ozone in the reaction 2 O3(g)→3 O2(g) on the basis of the (incomplete) mechanism: O3→O2 + O ka O2 + O→O3 k′a O + O3→O2 + O2 kb This reaction presents two limit behaviours: a) it is of first order with respect to O3 concentration b) it is of second order with respect of the O3 concentration. Under which conditions do you think you will get one or the other? Assume you can use the stationary state approximation. Which will be the half-life time of the ozone if behaviour a) is assumed?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Derive the rate law for the decomposition of ozone in the reaction 2 O3(g)→3 O2(g) on the basis of the (incomplete) mechanism:
O3→O2 + O ka
O2 + O→O3 k′a
O + O3→O2 + O2 kb
This reaction presents two limit behaviours: a) it is of first order with respect to O3 concentration b) it is of second order with respect of the O3 concentration. Under which conditions do you think you will get one or the other? Assume you can use the stationary state approximation. Which will be the half-life time of the ozone if behaviour a) is assumed?
Transcribed Image Text:basis of the (incomplete) mechanism:
O3→02+0 ka
O2 + 0→03 k'a
0+O3→02 + 02 kp
This reaction presents two limit behaviours: a) it is of first order with respect to O3
concentration b) it is of second order with respect of the O3 concentration. Under which
conditions do you think you will get one or the other? Assume you can use the stationary state
approximation. Which will be the half-life time of the ozone if behaviour a) is assumed?
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