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What is the relationship between Gibbs energy and chemical potential?

What is the relationship between Gibbs energy and chemical potential?

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Answer #1

Chemical potential or partial molar free energy can be defined as potential energy which can be absorbed or released during chemical reaction.It may change during phase transition.

The chemical potential of substance in a mixture is defined as slope of free energy of the system with respect to a change in the number of moles of substance.

It is partial derivative of free energy with respect to the amount of the substance when all other substances concentrations in the mixture remaining constant at constant temperature.

At constant pressure chemical potential is the partial molar Gibbs free energy. At equilibrium the sum of chemical potentials is zero as the free energy is minimum.

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