Determine the Activation Energy,E_a,of the Decomposition Reaction,CH₃CHO $\to$ CH₄ + CO

Determine the activation energy,E_a,of the decomposition reaction,CH₃CHO $\to$ CH₄ + CO.

A) 2040 J/mol
B) 38.4 kJ/mol
C) 52.7 J/mol
D) 89.1 kJ/mol
E) 205 kJ/mol