On the compressibility of liquid metals

Yizhak Marcus

doi:10.1016/j.jct.2016.07.027

On the compressibility of liquid metals

Yizhak Marcus

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

The adiabatic compressibilities κ_S of 64 liquid metallic elements at their melting points were obtained from the densities ρ and speeds of sound u reported in the literature. The isothermal compressibilities were obtained from the κ_S values by means of the molar volumes V, isobaric expansibilities α_P, and isobaric molar heat capacities C_P from the literature. The ratios γ = κ_T/κ_S = C_P/C_V yielded the isochoric molar heat capacities C_V. The products κ_Tσ, using surface tension data from the literature, were calculated and shown to diminish linearly with increasing cohesive energy densities.

Original language	English
Pages (from-to)	11-15
Number of pages	5
Journal	Journal of Chemical Thermodynamics
Volume	109
DOIs	https://doi.org/10.1016/j.jct.2016.07.027
State	Published - 2017

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Ltd

Keywords

Adiabatic compressibility
Cohesive energy density
Compressibility and surface tension product
Isochoric heat capacities
Isothermal compressibility

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10.1016/j.jct.2016.07.027

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abstract = "The adiabatic compressibilities κS of 64 liquid metallic elements at their melting points were obtained from the densities ρ and speeds of sound u reported in the literature. The isothermal compressibilities were obtained from the κS values by means of the molar volumes V, isobaric expansibilities αP, and isobaric molar heat capacities CP from the literature. The ratios γ = κT/κS = CP/CV yielded the isochoric molar heat capacities CV. The products κTσ, using surface tension data from the literature, were calculated and shown to diminish linearly with increasing cohesive energy densities.",

keywords = "Adiabatic compressibility, Cohesive energy density, Compressibility and surface tension product, Isochoric heat capacities, Isothermal compressibility",

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AB - The adiabatic compressibilities κS of 64 liquid metallic elements at their melting points were obtained from the densities ρ and speeds of sound u reported in the literature. The isothermal compressibilities were obtained from the κS values by means of the molar volumes V, isobaric expansibilities αP, and isobaric molar heat capacities CP from the literature. The ratios γ = κT/κS = CP/CV yielded the isochoric molar heat capacities CV. The products κTσ, using surface tension data from the literature, were calculated and shown to diminish linearly with increasing cohesive energy densities.

KW - Adiabatic compressibility

KW - Cohesive energy density

KW - Compressibility and surface tension product

KW - Isochoric heat capacities

KW - Isothermal compressibility

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JO - Journal of Chemical Thermodynamics

JF - Journal of Chemical Thermodynamics

ER -

On the compressibility of liquid metals

Abstract

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Keywords

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