Abstract
Vapour-liquid equilibria and excess molar enthalpies of binary solutions of methanoic acid, ethanoic acid, propanoic acid, and butanoic acid with methanol, ethanol, propanols, and 1-butanol were calculated using the uniquac associated-solution model, which takes into account the homo-association of like molecules and the hetero-association of unlike molecules. Ternary excess molar enthalpies of ethanoic acid + methanol + tetrachloromethane were predicted from the same model with binary parameters. The calculated results agree well with the experimental values.
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