+**Helmholtz Energy** ($$F$$) is a thermodynamic potential that quantifies the "useful" work obtainable from a closed system at constant [Temperature](/wiki/temperature) and volume. It represents the system's capacity to perform work, reflecting the balance between its [Internal Energy](/wiki/internal_energy) and the disorder imposed by its entropy, as defined by $$F = U - TS$$.
+## See also
+- [Gibbs Energy](/wiki/gibbs_energy)
+- [Enthalpy](/wiki/enthalpy)
+- [Thermodynamics](/wiki/thermodynamics)
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