Temperature dependence

1. If the rate of reaction is 3.95 s-1 at 25 oC and 0.036 s-1 at OoC; what is the energy of activation of the reaction?

Determine Ea.

2. Calculate the pre-exponential A value of the reaction in #1.

3. The pyrolysis of ethyl Bromide to give ethylene and HBr follows first order kinetics. The following data are obtained.

T, K 800 833 877 900
k, s-1 .0361 .141 .662 1.41

Graphically using MathCad, calculate Ea and A.