The rate constant for this second-order reaction is 0.740 M^-1*s^-1 at 300°C.

Options:
A. Determine the half-life of the reaction at 300°C.
B. Calculate the activation energy of the reaction.
C. Find the concentration of the reactant after 25 seconds at 300°C.
D. Determine the overall order of the reaction at 300°C.