In benzene solution, triethylamine, (C2H5)3N, reacts with bromoethane, C2H5Br, according to the following time-independent stoichiometric equation:
(C2H5)3N + C2H5Br = (C2H5)4N+Br−
If the ratio of the experimental rate constants at 333 K and 320 K (that is,
kR(333 K)/kR(320 K)) is equal to 2.0, use this information to estimate the Arrhenius activation energy for the reaction.
136 kJ mol−1
21 kJ mol−1
75 kJ mol−1
47 kJ mol−1
93 kJ mol−1
any help is appretiated.