Determine the ratio of the rate constants for the following reactions at 30 ºC.
A + B → C; E_a = 100 kJ/mol
X + Y → Z; E_a = 18 kJ/mol
Assume both reactions have the same pre-exponential factor.

• A. 9.53 × 10^–9
• B. 7.42 × 10^–15
• C. 1.36 × 10^–28
• D. 9.01 × 10^–34

Answer: (B)