Chemistry 4511 Problem Set 4 1. For the reaction A + B Æ AB, the following data are collected: T (K) k (s-1 ) 300 5.71E-13 400 5.78E-08 500 5.82E-05 600 5.85E-03 700 0.158 800 1.862 What is the activation energy for this reaction? If it adheres to the hard sphere collision rate, what is the sum of their radii if their masses are m A = 36.4 amu and m B = 19.5 amu? 2. The reaction of CH with O is observed in a molecular beam experiment represented by the diagram below: The initial velocities for CH and O are measured as 200 m/s and 250 m/s respectively.
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