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Excess Gibbs energy for six binary solid solutions of molecularly simple substances

Abstract

In this paper we apply the method developed in a previous study of Ar + CH/sub 4/ to the evaluation of the excess Gibbs energy G /SUP E.S/ for solid solutions of two molecularly simple components. The method depends on combining information on the excess Gibbs energy G /SUP E.L/ for the liquid mixture of the two components with a knowledge of the (T, x) solid-liquid phase diagram. Certain thermal properties o the pure substances are also needed. G /SUP E.S/ has been calculated for binary mixtures of Ar + Kr, Kr + CH/sub 4/, CO + N/sub 2/, Kr + Xe, Ar + N/sub 2/, and Ar + CO. In general, but not always, the solid mixtures are more non-ideal than the liquid mixtures of the same composition at the same temperature. Except for the Kr + CH/sub 4/ system, the ratio r = G /SUP E.S/ /G /SUP E.L/ is larger the richer the solution in the component with the smaller molecules.
Publication Date:
Jan 01, 1985
Product Type:
Journal Article
Reference Number:
EDB-86-003795
Resource Relation:
Journal Name: J. Phys. Chem. Solids; (United Kingdom); Journal Volume: 46:2
Subject:
36 MATERIALS SCIENCE; ARGON; FREE ENTHALPY; CARBON MONOXIDE; KRYPTON; METHANE; NITROGEN; SOLID SOLUTIONS; XENON; BINARY MIXTURES; MOLECULAR STRUCTURE; PHASE DIAGRAMS; PHASE TRANSFORMATIONS; ALKANES; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; DIAGRAMS; DISPERSIONS; ELEMENTS; ENERGY; FLUIDS; GASES; HYDROCARBONS; MIXTURES; NONMETALS; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE GASES; SOLUTIONS; THERMODYNAMIC PROPERTIES; 360602* - Other Materials- Structure & Phase Studies
OSTI ID:
6391919
Research Organizations:
Departamento de Engenharia Quimica, Universidade de Coimbra, Coimbra
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JPCSA
Submitting Site:
HEDB
Size:
Pages: 181-186
Announcement Date:
Dec 01, 1985

Citation Formats

Lobo, L J, and Staveley, L A.K. Excess Gibbs energy for six binary solid solutions of molecularly simple substances. United Kingdom: N. p., 1985. Web. doi:10.1016/0022-3697(85)90032-0.
Lobo, L J, & Staveley, L A.K. Excess Gibbs energy for six binary solid solutions of molecularly simple substances. United Kingdom. doi:10.1016/0022-3697(85)90032-0.
Lobo, L J, and Staveley, L A.K. 1985. "Excess Gibbs energy for six binary solid solutions of molecularly simple substances." United Kingdom. doi:10.1016/0022-3697(85)90032-0. https://www.osti.gov/servlets/purl/10.1016/0022-3697(85)90032-0.
@misc{etde_6391919,
title = {Excess Gibbs energy for six binary solid solutions of molecularly simple substances}
author = {Lobo, L J, and Staveley, L A.K.}
abstractNote = {In this paper we apply the method developed in a previous study of Ar + CH/sub 4/ to the evaluation of the excess Gibbs energy G /SUP E.S/ for solid solutions of two molecularly simple components. The method depends on combining information on the excess Gibbs energy G /SUP E.L/ for the liquid mixture of the two components with a knowledge of the (T, x) solid-liquid phase diagram. Certain thermal properties o the pure substances are also needed. G /SUP E.S/ has been calculated for binary mixtures of Ar + Kr, Kr + CH/sub 4/, CO + N/sub 2/, Kr + Xe, Ar + N/sub 2/, and Ar + CO. In general, but not always, the solid mixtures are more non-ideal than the liquid mixtures of the same composition at the same temperature. Except for the Kr + CH/sub 4/ system, the ratio r = G /SUP E.S/ /G /SUP E.L/ is larger the richer the solution in the component with the smaller molecules.}
doi = {10.1016/0022-3697(85)90032-0}
journal = {J. Phys. Chem. Solids; (United Kingdom)}
volume = {46:2}
journal type = {AC}
place = {United Kingdom}
year = {1985}
month = {Jan}
}