Helmholtz free energy (Given internal energy, temperature and entropy)

Formula

Helmholtz free energy (Given internal energy, temperature and entropy) formula
A
Helmholtz free energy
U
the internal energy of the system
T
the temperature
S
the entropy

Formula description

In thermodynamics, the Helmholtz free energy is a thermodynamic potential which measures the “useful” work obtainable from a closed thermodynamic system at a constant temperature and volume. For such a system, the negative of the difference in the Helmholtz energy is equal to the maximum amount of work extractable from a thermodynamic process in which temperature and volume are held constant.

Calculator (how to use calculator?)

Helmholtz free energy (Given internal energy, temperature and entropy) formula
U
T
S
A
Precision

Formula code








References

  1. Wikipedia: the Helmholtz energy (Given internal energy, temperature and entropy).

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