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Fluidity and Molecular Structure

Abstract

IT was pointed out by Porter1 that, for mercury and water, the logarithm of the viscosity is a linear function of the logarithm of the vapour pressure. I propose a modified relationship introducing the critical pressure pc, namely log ϕ = a log p/pc + d, where ϕ is the fluidity of a liquid at the vapour pressure p, a and d are constants.

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References

  1. Phil. Mag., 23, 458 (1912).

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THOMAS, L. Fluidity and Molecular Structure. Nature 155, 365–366 (1945). https://doi.org/10.1038/155365a0

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