19) The reaction profile for a given chemical reaction is shown below A Energy Reactants Products Progress of reaction a. Which arrow represents the activation energy for the forward reaction? b. Which arrow represents the activation energy for the backward reaction? C. Is the forward reaction exothermic or endothermic? d. Is the reverse reaction exothermic or endothermic? e. On the reaction profile, label the area on the diagram where the activated complex can be found.

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