The graph represents the energy change of a chemical reaction. Which must be true about the entropy of the reaction in order for the reaction to be spon- taneous at all temperatures? Energy Difference Between Reactants and Product Energy A B C Reactants Reaction Products It must be positive so that the change in Gibbs free energy will be positive. It must be negative so that the change in Gibbs free energy will be positive. It must be positive so that the change in Gibbs free energy will be negative. CUL ILI

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