Journal
THERMOCHIMICA ACTA
Volume 416, Issue 1-2, Pages 129-134Publisher
ELSEVIER
DOI: 10.1016/j.tca.2003.02.001
Keywords
enthalpies; DMSO; aliphatic nitriles; aliphatic alcohols
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Enthalpies of solution of aliphatic alcohols {CH3(CH2)(n)OH, n = 0-10} and aliphatic nitrites {CH3(CH2)(n)CN, n = 0-12} in dimethyl sulfoxide (DMSO) have been determined at 298.15 K for the mole fraction range 5 x 10(-5) to 0.002. In all cases enthalpies of solution were found to be positive. Partial molar enthalpies of solution at infinite dilution were derived. Linear relations between the limiting excess partial molar enthalpies and the number of methylene groups were found for both groups of compounds investigated. McMillan-Mayer's parameters, h(xx) and h(xxx), showed unfavorable and favorable interactions, respectively. (C) 2003 Elsevier B.V. All rights reserved.
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