Helmhotz free energy

Helmhotz free energy
(A or F in US) Similar to Gibbs free energy but with internal energy substituted for enthalpy. A negative change in A is indicative of a spontaneous change in a closed system at constant volume.

Dictionary of automotive terms. 2015.

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  • A — Abbreviation or symbol for absolute temperature, absorption coefficient, acceleration, adenine, ampere, amplitude, angular acceleration, area, attenuation coefficient, fine structure constant, helium nucleus …   Dictionary of automotive terms

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