quantitykind:HelmholtzEnergy

Type
Description

$$\textit{Helmholtz Energy}$$ is one of the potentials are used to measure energy changes in systems as they evolve from an initial state to a final state. The potential used depends on the constraints of the system, such as constant temperature or pressure. $$\textit{Internal Energy}$$ is the internal energy of the system, $$\textit{Enthalpy}$$ is the internal energy of the system plus the energy related to pressure-volume work, and Helmholtz and Gibbs free energy are the energies available in a system to do useful work when the temperature and volume or the pressure and temperature are fixed, respectively. The name $$\textit{Helmholz Free Energy}$$ is also used.

Properties
$$H = U - T \cdot S$$, where $$U$$ is internal energy, $$T$$ is thermodynamic temperature and $$S$$ is entropy.
Annotations
$$\textit{Helmholtz Energy}$$ is one of the potentials are used to measure energy changes in systems as they evolve from an initial state to a final state. The potential used depends on the constraints of the system, such as constant temperature or pressure. $$\textit{Internal Energy}$$ is the internal energy of the system, $$\textit{Enthalpy}$$ is the internal energy of the system plus the energy related to pressure-volume work, and Helmholtz and Gibbs free energy are the energies available in a system to do useful work when the temperature and volume or the pressure and temperature are fixed, respectively. The name $$\textit{Helmholz Free Energy}$$ is also used.
Helmholtz Energy(en)

Generated 2023-01-13T16:31:20.990-05:00 by lmdoc version 1.1 with  TopBraid SPARQL Web Pages (SWP)