Reaction A+BrarrC+D 38 kcal has activation energy 20 kcal. Activation – InterviewSolution

1.	Reaction A+BrarrC+D 38 kcal has activation energy 20 kcal. Activation energy for reaction, C+DrarrA+B is
Answer» 20 kcal `-20 kcal` 58 kcal 18 kcal Solution :GIVEN `DELTAH`=-38kcal `(E_a)_f`=20 kcal as `DeltaH=(E_a)_f-(E_a)_b` `-38=20-(E_a)_b` `THEREFORE (E_a)_b`=20+38=58 kcal

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