EXCESS VOLUMES OF BINARY-MIXTURES OF ETHYLBENZENE WITH OCTANOL, NONANOL AND DODECANOL FROM 50-DEGREES-C TO 100-DEGREES-C AND 0.1 TO 7.5 MPA

被引：5

作者：

GARG, SK

AHLUWALIA, JC

机构：

[1] Department of Chemistry, Indian Institute of Technology, New Delhi, 110 016, Hauz Khas

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1995年 / 24卷 / 02期

关键词：

DENSITIES; EXCESS VOLUME; PRESSURE; TEMPERATURE; ETHYLBENZENE; OCTANOL; NONANOL; DODECANOL; ORDER CREATION;

D O I：

10.1007/BF00972839

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The excess volume V(E) of binary mixtures of octanol, nonanol and dodecanol in ethylbenzene have been calculated from the densities measured with a vibrating tube densimeter at temperatures from 50 to 100 degrees-C and at pressures from 0.1 to 7.5 MPa. The values of V(E) are positive for all the three mixtures in the complete temperature, pressure and mole fraction ranges studied. The maxima in V(E) is observed at 0.4 mole fraction of alkanol. The results are discussed in terms of specific interactions present in the binary mixtures. The second order thermodynamic quantities (partial derivative V(E) / partial derivativeT)p, (partial derivativeV(E)/partial derivativeP)T and (partial derivativeH(E)/partial derivativeP)T which have been derived from the effect of temperature and pressure on V(E), indicate an overall net creation of order in the binary mixtures of ethylbenzene with higher homologues of alkanols.

引用

页码：153 / 170

页数：18

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