The decomposition of iodoethane in the gas phase proceeds according to the following equation: C2H5I(g) → C2H4(g) + HI(g) At 660. K, k = 7.2 × 10-4 s-1; at 720. K, k = 1.7 × 10-2 s-1. What is the rate constant for this first- order decomposition at 325oC? If the initial pressure of iodoethane is 894 torr at 245oC, what is the pressure of iodoethane after three half- lives?
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