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KMID : 1059520220660040278
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Journal of the Korean Chemical Society
2022 Volume.66 No. 4 p.278 ~ p.283
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The Free Energy of Mixing for a Binary Lattice Solution Consisting of Two Identical Interpenetrating Sublattices
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Jung Hae-Young
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Abstract
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Using the Kirkwood’s method, the free energy of a binary lattice solution consisting of two identical interpenetrating sublattices, such as a simple cubic lattice or a body-centered cubic lattice, was calculated up to the tenth order of the reciprocal of absolute temperature. Using this, liquid-liquid coexistence curves and critical solution temperatures for the binary lattice solutions were calculated to quantitatively investigate the effect of non-random mixing of molecules. And it was shown that the coexistence curve of the simple cubic lattice solution was in good agreement with the Monte-Carlo computer simulation result.
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KEYWORD
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Lattice theory, Regular solution, Nonrandom mixing, Liquid-liquid equilibria
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