Gibbs energy, also known as Gibbs free energy, is a thermodynamic potential that measures the maximum reversible work obtainable from a system at constant temperature and pressure. It is a crucial concept in understanding chemical reactions and phase changes, as it determines the spontaneity of processes. The change in Gibbs energy (∆G) is used to predict whether a reaction will occur spontaneously or require input energy, connecting thermodynamics with chemical potential.
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