The equation k = 6 . 5 × 10 12   s - 1 e - 26000   K / T is followed for the decomposition of…

The equation $\mathrm{k}=\left(6.5\times {10}^{12}{ \mathrm{s}}^{-1}\right){\mathrm{e}}^{-26000 \mathrm{K}/\mathrm{T}}$ is followed for the decomposition of compound $\mathrm{A}$. The activation energy for the reaction is ____ $\mathrm{KJ} {\mathrm{mol}}^{-1}$. [nearest integer]

(Given: $\mathrm{R}=8.314 \mathrm{J}{ \mathrm{K}}^{-1}{ \mathrm{mol}}^{-1}$)