• Isothermal compressibility and sound velocity of binary liquid systems: Application of hard sphere models

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    • Keywords


      Isothermal compressibility; sound velocity; density; binary liquid systems; hard sphere equation of state

    • Abstract


      Sound velocity and density were measured in six binary liquid mixtures namely,n-heptane+toluene (I);n-heptane+n-hexane (II); toluene+n-hexane (III); cyclohexane+n-heptane (IV); cyclohexane+n-hexane (V), andn-decane+n-hexane (VI) at 298.15 K. The experimental isothermal compressibility has been evaluated from measured values of density and sound velocity. The isothermal compressibility of these mixtures has been calculated theoretically using different models for the hard sphere equation of state and also using Flory’s statistical theory. The computed values of isothermal compressibility were also compared with the experimentally evaluated values. A satisfactory agreement has been observed.

    • Author Affiliations


      J D Pandey1 P Jain1 V Vyas1

      1. Department of Chemistry, University of Allahabad, Allahabad - 211 002, India
    • Dates

  • Pramana – Journal of Physics | News

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