Apparent molar volumes and heat capacities of aqueous lithium chloride, rubidium chloride, and cesium chloride at temperatures from (278.15 to 393.15) K at the pressure 0.35 MPa

被引:16
|
作者
Brown, BR [1 ]
Origlia-Luster, ML [1 ]
Niederhauser, TL [1 ]
Woolley, EM [1 ]
机构
[1] Brigham Young Univ, Dept Chem & Biochem, Provo, UT 84602 USA
来源
JOURNAL OF CHEMICAL THERMODYNAMICS | 2004年 / 36卷 / 04期
关键词
apparent molar volume; apparent molar heat capacity; aqueous electrolytes; lithium chloride; rubidium chloride; cesium chloride;
D O I
10.1016/j.jct.2004.01.004
中图分类号
O414.1 [热力学];
学科分类号
摘要
Apparent molar volumes V-phi and apparent molar heat capacities C-p,(phi) were determined for aqueous solutions of lithium chloride, rubidium chloride, and cesium chloride at molalities m = (0.02 to 1.0) mol(.)kg(-1), and at the pressure p = 0.35 MPa. Density measurements obtained with a vibrating-tube densimeter at temperatures T = (278.15 to 368.15) K were used to calculate V-phi values, and heat capacity measurements obtained with a twin fixed-cell, differential-output, power-compensation, temperature-scanning calorimeter at temperatures T = (278.15 to 393.15) K were used to calculate C-p,C-phi values. Our results were fitted to functions of m and T. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:331 / 339
页数:9
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