Below is a proposed mechanism for the chlorination of methane: step1 CH4(g)+Cl2(g)⇀↽CH3(g)+HCl(g)+Cl∙ slow step2 CH3(g)+Cl2(g)⇀↽CH3Cl(g)+Cl∙ fast a. Write the overall chemical reaction and write an overall rate expression for the appearance of CH3Cl (g). Note that this rate expression can include the concentration of intermediates. b. Using your answer to part b, write the rate expression for the change in concentration of CH3 (g). c. Using the steady state approximation, give an expression for the appearance of CH3Cl (g) that does not depend on the concentration of CH3 (g). Note that the first reaction is reversible and the second is not.
Below is a proposed mechanism for the chlorination of methane: step1 CH4(g)+Cl2(g)⇀↽CH3(g)+HCl(g)+Cl∙ slow step2 CH3(g)+Cl2(g)⇀↽CH3Cl(g)+Cl∙ fast a. Write the overall chemical reaction and write an overall rate expression for the appearance of CH3Cl (g). Note that this rate expression can include the concentration of intermediates. b. Using your answer to part b, write the rate expression for the change in concentration of CH3 (g). c. Using the steady state approximation, give an expression for the appearance of CH3Cl (g) that does not depend on the concentration of CH3 (g). Note that the first reaction is reversible and the second is not.
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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Below is a proposed mechanism for the chlorination of methane:
step1 CH4(g)+Cl2(g)⇀↽CH3(g)+HCl(g)+Cl∙ slow
step2 CH3(g)+Cl2(g)⇀↽CH3Cl(g)+Cl∙ fast
a. Write the overall
b. Using your answer to part b, write the rate expression for the change in concentration of CH3 (g).
c. Using the steady state approximation, give an expression for the appearance of CH3Cl (g) that does not depend on the concentration of CH3 (g). Note that the first reaction is reversible and the second is not.
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