Gibbs-Duhem relation

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The Gibbs-Duhem relation is given by

S d T - V d p + N d μ = 0

or

$\left.\frac{\partial p}{\partial \mu}\right\vert_{T} = \rho$

where $p$ is the pressure, $S$ is the entropy, $V$ is the volume, $μ$ is the chemical potential and $ρ$ is the number density.

[edit] See also

Gibbs-Duhem integration

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Category: Classical thermodynamics

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