9.Define activation energy. What role does activation energy play in chemical kinetics? (5 points)
10. Given the same reactant concentrations, the reactionCO(g) + Cl2(g)→ COCl2(gat 250°C is 1.50 × 103times as fast as the same reaction at 150°C. Calculate the activation energy for this reaction. Assume that the frequency factor is constant. (Hint: use equation 13.14.) (10 points))
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