The rate constant for a first-order reaction is 1.4 x 10-2s-1 at 646 K and 3.5 x10-2s-1 at 824 K. What is the activation energy?

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The rate constant for a first-order reaction is 1.4 x 10-2s-1 at 646 K and 3.5 x10-2s-1 at 824 K. What is the activation energy?

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