A particular first-order reaction has a rate constant of 1.35 × 10²s^-1 at 25.0°C. What is the magnitude of k at 75.0°C if E_a = 85.6 kJ/mol?

Name: A particular first-order reaction has a rate constant of 1.35 × 10 2 s -1 at 25.0°C. What is the magnitude of k at 75.0°C if E a = 85.6 kJ/mol?
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Question

Quizplus · Accepted Answer

The Arrhenius equation is used to calculate the rate constant at a different temperature: k2 = k1 * exp[(Ea/R) * (1/T1 - 1/T2)]. Substituting the given values, k2 = 1.92 × 10^4 s^-1 at 75.0°C.

A Particular First-Order Reaction Has a Rate Constant of 1