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Thermodynamic properties of (a methyl ester + an n-alkane). V. HEm and VEm for {xCH3(CH2)u-1CO2CH3(u = 1 to 6) + (1-x)CH3(CH2)12CH3}

✍ Scribed by J. Ortega; E. Gonzalez

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 161 KB
Volume: 25
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1993.1106

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✦ Synopsis

Excess molar enthalpies and excess molar volumes for six mixtures: {a methyl ester (from ethanoate to heptanoate) + tetradecane (}) have been determined at (T=298.15 \mathrm{~K}) as a function of the mole fraction. All the mixtures studied exhibit positive values for both quantities which decrease quasi-exponentially with length of the methyl-ester chain. Several theoretical models were used to obtain the excess quantities, but the Flory and Nitta et al. models predict the excess molar volumes only poorly.

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