• Thumbnail for Gibbs–Duhem equation
    In thermodynamics, the GibbsDuhem equation describes the relationship between changes in chemical potential for components in a thermodynamic system:...
    12 KB (2,096 words) - 04:45, 26 May 2025
  • The Duhem–Margules equation, named for Pierre Duhem and Max Margules, is a thermodynamic statement of the relationship between the two components of a...
    4 KB (550 words) - 00:52, 21 July 2023
  • Thumbnail for Josiah Willard Gibbs
    G}{\partial N_{i}}}\right)_{T,P,N_{j\neq i}}.} Gibbs also obtained what later came to be known as the "GibbsDuhem equation". In an electrochemical reaction characterized...
    91 KB (10,229 words) - 02:43, 16 March 2025
  • Thumbnail for Pierre Duhem
    scientists, Duhem is best known today for his work on chemical thermodynamics, and in particular for the GibbsDuhem and Duhem–Margules equations. His approach...
    43 KB (4,538 words) - 05:01, 8 June 2025
  • The Gibbs adsorption isotherm for multicomponent systems is an equation used to relate the changes in concentration of a component in contact with a surface...
    17 KB (2,783 words) - 21:57, 15 October 2024
  • Thumbnail for Thermodynamic equations
    named after Willard Gibbs and Pierre Duhem. There are many relationships that follow mathematically from the above basic equations. See Exact differential...
    24 KB (3,527 words) - 15:07, 12 July 2024
  • Thumbnail for Thermodynamic potential
    concept of thermodynamic potentials was introduced by Pierre Duhem in 1886. Josiah Willard Gibbs in his papers used the term fundamental functions. Effects...
    30 KB (4,377 words) - 07:17, 25 May 2025
  • state Gibbs's thermodynamic surface Gibbs vector Gibbs–Appell equation of motion Gibbs–Donnan effect GibbsDuhem equation Gibbs–Helmholtz equation Gibbs–Marangoni...
    1 KB (100 words) - 18:45, 21 March 2022
  • systems, that obey the equations of state and the GibbsDuhem equations. To derive Darken's second equation the gradient in Gibb's chemical potential is...
    20 KB (3,534 words) - 01:10, 24 May 2025
  • Thumbnail for Gibbs free energy
    In thermodynamics, the Gibbs free energy (or Gibbs energy as the recommended name; symbol G {\displaystyle G} ) is a thermodynamic potential that can...
    33 KB (4,550 words) - 21:59, 19 June 2025
  • on a phase diagram by using the Clapeyron equation, which in turn can be derived from the GibbsDuhem equation. They are used to explain colligative properties...
    33 KB (4,561 words) - 03:57, 24 June 2025
  • This yields, when applied only to the first term and using the GibbsDuhem equation,: { ln ⁡   γ 1 = [ A 12 + 2 ( A 21 − A 12 ) x 1 ] x 2 2 ln ⁡   γ...
    8 KB (1,189 words) - 05:20, 25 June 2025
  • solvent. These relationships are related to each other through the GibbsDuhem equation. Note that in general activity coefficients are dimensionless. In...
    26 KB (3,625 words) - 05:41, 23 May 2025
  • \mu _{\alpha }=\mathrm {d} \mu _{\beta }.} One may therefore use the GibbsDuhem relation d μ = M ( − s d T + v d P ) {\displaystyle \mathrm {d} \mu =M(-s\...
    25 KB (3,651 words) - 04:27, 25 November 2024
  • chemical potential energy is chemical potential, and sometimes the Gibbs-Duhem equation is used. In most cases of interest in chemical thermodynamics there...
    22 KB (3,079 words) - 16:41, 6 June 2025
  • between the molecules are indifferent. It can be shown using the GibbsDuhem equation that if Raoult's law holds over the entire concentration range x...
    17 KB (2,545 words) - 16:25, 11 June 2025
  • form a system of two equations in two unknowns. Partial derivatives appear in thermodynamic equations like Gibbs-Duhem equation, in quantum mechanics...
    24 KB (4,182 words) - 12:09, 14 December 2024
  • Thumbnail for Table of thermodynamic equations
    Antoine equation Bejan number Bowen ratio Bridgman's equations Clausius–Clapeyron relation Departure functions Duhem–Margules equation Ehrenfest equations Gibbs–Helmholtz...
    25 KB (515 words) - 19:06, 28 May 2025
  • Thumbnail for Thermodynamic square
    \mathrm {d} H=+V\mathrm {d} p+T\mathrm {d} S+\mu \mathrm {d} N} The GibbsDuhem equation can be derived by using this technique. Notice though that the final...
    7 KB (1,011 words) - 21:34, 21 May 2025
  • Thumbnail for Equation of state
    related to Gibbs phase rule, that is, the number of independent variables depends on the number of substances and phases in the system. An equation used to...
    40 KB (5,596 words) - 00:54, 20 June 2025
  • Thumbnail for Thermodynamics
    maint: multiple names: authors list (link) Gibbs, Willard (1993). The Scientific Papers of J. Willard Gibbs, Volume One: Thermodynamics. Ox Bow Press....
    48 KB (5,843 words) - 21:44, 23 June 2025
  • for the chemical potential μ {\displaystyle \mu } and then use the GibbsDuhem equation to express p {\displaystyle p} as a function of ρ {\displaystyle...
    3 KB (478 words) - 23:36, 26 May 2025
  • Thumbnail for Onsager reciprocal relations
    difference) coefficients are equal. For many kinetic systems, like the Boltzmann equation or chemical kinetics, the Onsager relations are closely connected to the...
    17 KB (2,579 words) - 12:01, 7 May 2025
  • Thumbnail for Azeotrope
    fraction of X in the solution), It is a mathematical consequence of the GibbsDuhem equation that at that point, the vapor above the solution will have the same...
    34 KB (4,411 words) - 13:07, 24 May 2025
  • during the end of the 19th century by Wilhelm Ostwald, Georg Helm and Pierre Duhem. It was also promoted by physicist Ernst Mach who opposed atomic theory...
    12 KB (1,345 words) - 00:30, 27 May 2025
  • also awarded a Gold Medal from the American Society for Metals. Gibbs-Duhem equation#Ternary and multicomponent solutions and mixtures ("Lawrence Stamper...
    3 KB (303 words) - 03:06, 6 July 2024
  • Thumbnail for Black hole thermodynamics
    Boltzmann Bridgman Carathéodory Carnot Clapeyron Clausius de Donder Duhem Gibbs von Helmholtz Joule Kelvin Lewis Massieu Maxwell von Mayer Nernst Onsager...
    25 KB (3,220 words) - 01:48, 25 June 2025
  • This is a list of scientific equations named after people (eponymous equations). Contents A B C D E F G H I J K L M N O P R S T V W Y Z See also References...
    30 KB (438 words) - 21:15, 3 October 2024
  • Thumbnail for Ideal gas law
    The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior...
    34 KB (4,622 words) - 17:20, 31 May 2025
  • Thumbnail for Entropy
    S_{\mathsf {system}}} Via additional steps this expression becomes the equation of Gibbs free energy change Δ G {\textstyle \Delta G} for reactants and products...
    111 KB (14,228 words) - 21:07, 24 May 2025