The reaction of propylxanthate anion, A−, in ethanoic acid buffer solutions has the mechanism A− + H+ → P. Near 30 °C the rate constant is given by the empirical expression kr = Ae−(8681 K)/T with A = 2.05 × 1013 dm3 mol−1 s−1. Evaluate the enthalpy and entropy of activation at 30 °C.

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