In the following chemical reaction at a certain temperature, if you know that the potential energy of the reactants is 80 kilojoules, and the potential energy of the activated complex is 160 kilojoules, and when a catalyst is added, the activation energy for the forward reaction becomes 50 kilojoules,     a. What is the value of the activation energy for a reverse reaction in kilojoules in the presence of the catalyst? And without the catalyst?   b. What is the value of the potential energy (in kilojoules) of the products of a chemical reaction?    c. What is the value of the activated Complex potential energy (in kilojoules) in the presence of the catalyst?

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