The Rate Constant for the Reaction
2 N₂O(g) $\rightarrow$ 2N₂(g) + O₂(g)
Has Been Found to Vary with Temperature

The rate constant for the reaction
2 N₂O(g) $\rightarrow$ 2N₂(g) + O₂(g)
Has been found to vary with temperature according to the following data. Determine the activation energy for the reaction.
$\begin{array}{lllll}\theta /{ }^{\circ} \mathrm{C} & 565 & 728 & 757 & 780 \\k_{r} / \mathrm{s}^{-1} & 1.10 \times 10^{-3} & 0.380 & 0.871 & 1.67\end{array}$

A) 190 kJ mol^-1
B) 22.8 kJ mol^-1
C) 30.6 kJ mol^-1
D) 254 kJ mol^-1