The rate constant k for a certain reaction is measured at two different temperatures: temperature k 6.2 × 10¹1 X 3.8 x 1013 Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy E for this reaction. 132.0 °C 242.0 °C Round your answer to 2 significant digits. 4-0 E = kJ mol x10

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