EXCESS HEAT-CAPACITIES OF BINARY-MIXTURES OF CARBON-TETRACHLORIDE WITH N-ALKANES AT 298.15-K

被引:23
作者
GROLIER, JPE [1 ]
HAMEDI, MH [1 ]
WILHELM, E [1 ]
KEHIAIAN, HV [1 ]
机构
[1] CNRS,CTR RECH MICROCALORIMETRIE & THERMOCHIM,F-13003 MARSEILLE,FRANCE
关键词
D O I
10.1016/0040-6031(79)80010-6
中图分类号
O414.1 [热力学];
学科分类号
摘要
A Picker flow microcalorimeter was used to determine molar excess heat capacities CPE at 298.15 K for mixtures of carbon tetrachloride + n-heptane, n-nonane, and n-decane. The excess heat capacities are negative in all cases. The absolute value |CPE| increases with increasing chain length of the alkane. A formal interchange parameter, cP12, is calculated and its dependence on n-alkane chain length is discussed briefly in terms of molecular orientations. © 1979.
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页码:79 / 84
页数:6
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