Given the Following Data for the Reaction A $\rightarrow$ B, Determine the Activation Energy, E_a, of the Reaction

Given the following data for the reaction A $\rightarrow$ B, determine the activation energy, E_a, of the reaction.

A) 2.68 kJ/mol
B) 15.1 kJ/mol
C) 18.5 kJ/mol
D) 27.6 kJ/mol
E) 95.1 kJ/mol