EMPIRICAL RELATIONS FOR THE CALCULATION OF STANDARD MOLAR ENTHALPIES AND ENTROPIES OF DIMERIZATION IN ALKALI-HALIDE VAPORS

被引：0

作者：

VANDERKEMP, WJM

VANGENDEREN, MJ

SCHUIJFF, A

OONK, HAJ

机构：

来源：

ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 1991年 / 172卷

关键词：

ALKALI; DIMERIZATION; ENTHALPY; ENTROPY;

D O I：

暂无

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：

Empirical relations for the calculation of standard molar enthalpies and entropies of dimerization for alkali halide vapours were derived. These relations are: DELTA(r)H-degrees(298.15 K) = -475.3/r(cr)+- - 30.1 (+/- 6.2 kJ.mol-1) DELTA(r)S-degrees(298.15 K) = 7.07.10(-2).DELTA(r)H-degrees(calc., 298.15 K)/298.15 K - 85.0 (+/- 2.6 J.mol-1.K-1) in which r(cr)+- means the cation-anion distance in the solid state. A method to re-evaluate vapour pressure measurements was described.

引用

页码：115 / 122

页数：8

共 24 条

[1]

Barin I., 1989, THERMOCHEMICAL DATA

[2] MOLECULAR STRUCTURE AND VIBRATIONAL SPECTRA OF ALKALI HALIDE DIMERS [J].