natybrocks2912 natybrocks2912 26-04-2024 Chemistry Answered The rate constant for a first-order reaction at 300 degrees Celsius, for which Ea (activation energy) is 35 kcal/mol and frequency constant 'A' is 1.45 * 10¹¹ sec⁻¹ is: a) 0.025 sec⁻¹ b) 0.036 sec⁻¹ c) 0.050 sec⁻¹ d) 0.071 sec⁻¹