Gibbs Function
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Gibbs Function
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A mathematically defined thermodynamic
function of state, which is constant during a reversible
isobaric-isothermal process. Also called Gibbs free energy, thermodynamic
potential. Compare Helmholtz
function.
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In symbols the specific Gibbs function g is g = h - Ts where h is
specific enthalpy; T is Kelvin temperature; and s is specific entropy. By use
of the first law of thermodynamics for reversible processes, dg = -s dT + dp.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use