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The rate at which tree crickets chirp is 1.90 × 102 per minute at 29°C but only 40.6 per minute at 7.5°C. From these data, calculate the activation energy for the chirping process.
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The activation energy for the denaturation of a protein is 359 kJ/mol. At what temperature will the rate of denaturation be 13% greater than its rate at 25.0°C?
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Given the same reactant concentrations, the reaction
CO(g) + Cl2(g) ? COCl2(g)
at 235°C is 33.8 times as fast as the same reaction at 165°C. Calculate the activation energy for this reaction. Assume that the frequency factor is constant.
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