Endothermic reaction activation energy?
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if the following exothermic chemical reaction has an activation energy value measured to be 54kcal/Mole and its heat of reaction valur is measured to be -42kcal/Mole CO(g) + Cl2(g)= ...show more
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Answer:
Let Er = Energy of reactant; Ep = Energy of product; E* = Energy of activated complex and Ea = Energy of activation Then: Ea = E* - Er = 54kCcal/mole Heat of reaction = Ep - Er = -42kcal/mole For the reverse endothermic reaction Ea = E* - Ep = (E* - Er) - (Ep - Er) = 54 - (-42) = 54 + 42 = +96kcal/mole
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