What is the difference between the variation of the standard Gibbs free of charge energy and Gibbs cost-free trade?

The energy most well-known free item in: question by Brian H : What is the distinction between the variation of the normal Gibbs totally free energy and modify I am confused among the change in regular Gibbs free power and adjust. Are not both the alter in Gibbs free energy of the program, where the reactants are fully converted, or 100% of the merchandise? Why the adjust in Gibbs free energy alter of reaction functions reactioin as progress, but the alter in standard free of charge power is

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