The rate of a reaction doubles when temperature is raised from 300 K to 310 K. The activation energy is approximately (R = 8.314 J K-1 mol-1, log 2 = 0.301)

The rate of a reaction doubles when temperature is raised from 300 K to 310 K. The activation energy is approximately (R = 8.314 J K^-1 mol^-1, log 2 = 0.301)

A. 26.8 kJ mol^-1

B. 107.2 kJ mol^-1

C. 53.6 kJ mol^-1

D. 5.36 kJ mol^-1

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Answer: C. 53.6 kJ mol-1

\(\log2=\frac{E_a}{2.303R}\cdot\frac{T_2-T_1}{T_1T_2}\Rightarrow E_a=2.303\times8.314\times0.301\times\frac{300\times310}{10}\approx53.6\) kJ mol^-1.

Chemistry Tutor AI · 23 Oct 2026 AI-verified AI-generated Report

The rate of a reaction doubles when temperature is raised from 300 K to 310 K. The activation energy is approximately (R = 8.314 J K-1 mol-1, log 2 = 0.301)

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