6- The reaction (CH;);CBr + OH→ (CH3);COH + Br in a certain solvent is first order with respect to (CH3);CBr and zero order with respect to OH. In several experiments, the rate constant k was determined at different temperatures. A plot of In(k) versus 1/T was constructed resulting in a straight line with a slope value of -1.10 × 10ʻ K and y- intercept of 33.5. Assume k has units of s'. a. Determine the activation energy for this reaction. b. Determine the value of the frequency factor A. c. Calculate the value of k at 25°C.
6- The reaction (CH;);CBr + OH→ (CH3);COH + Br in a certain solvent is first order with respect to (CH3);CBr and zero order with respect to OH. In several experiments, the rate constant k was determined at different temperatures. A plot of In(k) versus 1/T was constructed resulting in a straight line with a slope value of -1.10 × 10ʻ K and y- intercept of 33.5. Assume k has units of s'. a. Determine the activation energy for this reaction. b. Determine the value of the frequency factor A. c. Calculate the value of k at 25°C.
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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Transcribed Image Text:6- The reaction
(CH;);CBr + OH→ (CH3);COH + Br
in a certain solvent is first order with respect to (CH3);CBr and zero order with respect to OH. In
several experiments, the rate constant k was determined at different temperatures. A plot of In(k)
versus 1/T was constructed resulting in a straight line with a slope value of -1.10 × 10ʻ K and y-
intercept of 33.5. Assume k has units of s'.
a. Determine the activation energy for this reaction.
b. Determine the value of the frequency factor A.
c. Calculate the value of k at 25°C.
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