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1963•The Journal of Chemical PhysicsRequires access

Evaluation of Vapor-Pressure Data for Mercury, Lithium, Sodium, and Potassium

W. T. Hicks

Open publisher page 94 citations

Abstract

Vapor-pressure data for the elements mercury, lithium, sodium, and potassium were correlated using an equation of state, PV = RT+BP, where B was evaluated empirically with the relationship B = b/Tm. Values of B thus obtained are compared with values of the second virial coefficient calculated from a Lennard-Jones 6–9 potential curve. Calculated values for vapor pressures and fugacity-to-pressure ratios are presented for these elements as a function of temperature.

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What this paper is about

Vapor-pressure data for the elements mercury, lithium, sodium, and potassium were correlated using an equation of state, PV = RT+BP, where B was evaluated empirically with the relationship B = b/Tm. Values of B thus obtained are compared with values of the second virial coefficient calculated from a Lennard-Jones 6–9 potential curve. Calculated values for vapor pressures and fugacity-to-pressure ratios are presented for these elements as a function of temperature.

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Available abstract

Vapor-pressure data for the elements mercury, lithium, sodium, and potassium were correlated using an equation of state, PV = RT+BP, where B was evaluated empirically with the relationship B = b/Tm. Values of B thus obtained are compared with values of the second virial coefficient calculated from a Lennard-Jones 6–9 potential curve. Calculated values for vapor pressures and fugacity-to-pressure ratios are presented for these elements as a function of temperature.

Key concepts: Fugacity, Vapor pressure, Chemistry, Mercury (programming language), Sodium, Potassium, Thermodynamics, Virial coefficient

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