KnowraHelmholtz free energyLinked fromLinked fromThe 13 pages that link to Helmholtz free energy, each with the reason it gives.All 13Broader topic 2Related 5Compared with 6Gibbs free energyCompared with: It is the corresponding spontaneity criterion at constant temperature and volume.EnthalpyCompared with: Unlike Gibbs free energy, it is especially useful for constant-volume conditions.Fundamental thermodynamic relationCompared with: It replaces entropy with temperature as a natural variable for fixed-temperature systems.Gibbs–Helmholtz equationCompared with: Its natural constraints differ from the constant-pressure setting of this equation.Thermodynamic free energyCompared with: It is the constant-volume counterpart to Gibbs free energy.Principle of minimum energyCompared with: At fixed temperature and volume, equilibrium minimizes this free energy rather than internal energy.