= Maxwell relations
{wiki=Maxwell_relations}
Maxwell's relations are a set of equations in thermodynamics that arise from the equality of mixed second derivatives of thermodynamic potentials. They provide a connection between different thermodynamic properties and facilitate calculations involving changes in state variables. Maxwell's relations are derived from the fundamental thermodynamic potentials: the internal energy \\( U \\), the Helmholtz free energy \\( F \\), the Gibbs free energy \\( G \\), and the enthalpy \\( H \\).
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