Thermodynamic properties of aqueous electrolyte solutions. Compressibility studies in 0.1, 0.5 and 1.0 mol·kg-1 Lithium Chloride Solutions at Temperatures from 278.15 to 323.15 K

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Abstract

Sound velocities in aqueous 0.1, 0.5 and 1.0 mol·kg-1 lithium chloride solutions were determined at 1 K temperature intervals from 278.15 to 323.15 K. These velocities served to evaluate the isentropic compressibilities κ S , the isothermal compressibilities κ T , the apparent molar compressibilities K 2,φ , the isochoric thermal pressure coefficients (∂ P/∂ T) V , the change of cubic expansion coefficients with pressure at constant temperature (∂ α/∂ P) T , and the changes of heat capacities C V with volume (∂ C V /∂ V) T and C P with pressure (∂ C P /∂ P) T .

Original languageEnglish
Pages (from-to)1437-1456
Number of pages20
JournalJournal of Solution Chemistry
Volume36
Issue number11-12
DOIs
StatePublished - 1 Dec 2007

Keywords

  • Aqueous lithium chloride solutions
  • Cubic expansion coefficient changes with pressure
  • Heat capacities changes with volume and pressure
  • Isochoric thermal pressure coefficients
  • Isothermal and adiabatic compressibilities
  • Sound velocities

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