Question 8.

The reaction

(CH3)3CBr + OH---->(CH3)3COH + Br

in a certain solvent is first order with respect to (CH3)3CBr 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 × 104 K and y-intercept of 33.5. Assume

k has units of s¹.

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.