Topic
Gibbs–Duhem equation
About: Gibbs–Duhem equation is a research topic. Over the lifetime, 393 publications have been published within this topic receiving 6248 citations. The topic is also known as: Gibbs-Duhem equation.
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TL;DR: In this paper, conditions for change in the Gibbs many-body entropy stemming from the Liouville equation are considered and it is shown that the entropy remains constant for irreversible perturbations to the Hamiltonian of the system.
Abstract: Conditions for change in the Gibbs many-body entropy stemming from the Liouville equation are considered. It is shown that the entropy remains constant for irreversible perturbations to the Hamiltonian of the system. The same results are derived for a fluid interacting with particles of a confining wall. It is concluded that the Gibbs entropy of a system (isolated or non-isolated) remains constant independent of the microscopic irreversibility of the system
5 citations
Journal Article•
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TL;DR: In this article, the partial Gibbs energies of zinc in the liquid Cu-In-Zn system as a function of temperature and concentration were measured in the temperature range between the melting points of the alloys and 1073K using an EMF method with a liquid electrolyte.
Abstract: The partial Gibbs energies of zinc in the liquid Cu–In–Zn system as a function of temperature and concentration were measured in the temperature range between the melting points of the alloys and 1073K using an EMF method with a liquid electrolyte. The thermodynamic properties were determined for 30 alloys at three different constant ratios of Cu:In of 1:2, 1:1, and 2:1 with zinc added in the concentration range between 5 and 90at.%. The integral Gibbs free energy and the integral enthalpy of mixing of the ternary system were calculated with the Gibbs Duhem equation.
5 citations