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Problem- The gas phase reaction of a bromine molecule and a hydrogen atom occurs in a single step as a fundamental reaction. The temperature is 400 degrees C. Assume an activation energy of 60 kJ/mol.

a. Look up the collision diameters. If necessary, you can assume that an atom has half the diameter of a diatomic molecule.

b. Estimate the rate constant (in L/mol*s) using the collision theory.

I want you to explain the chemistry in this problem

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