Excess molar enthalpies of binary and ternary liquid mixtures

被引：7
|
作者：
Sharma, V. K. [1 ]
Solanki, S. [1 ]
Bhagour, S. [1 ]
机构：
[1] Maharshi Dayanand Univ, Dept Chem, Rohtak 124001, Haryana, India
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2015年 / 119卷 / 02期
关键词：
Excess molar enthalpy; H-E; 1-Ethyl-3-methylimidazolium tetrafluoroborate; Connectivity parameter; xi; Interaction energy parameter; chi; 1-ETHYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE; PLUS WATER; ISENTROPIC COMPRESSIBILITIES; THERMODYNAMIC INVESTIGATIONS; MOLECULAR-INTERACTIONS; INCLUDING SOLUTIONS; TOPOLOGICAL ASPECTS; TEMPERATURE; FORMAMIDE; VOLUMES;
D O I：
10.1007/s10973-014-4286-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Excess molar enthalpies, of ternary 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + 2-methyl aniline (2) + aniline or N-methyl aniline (3); 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + water (2) + formamide or N,N-dimethyl formamide (3) and H (E) of 2-methyl aniline (1) + aniline or N-methyl aniline (2); 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + formamide (2) mixtures, have been measured at 298.15 K. The excess molar enthalpies, , are negative for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + 2-methyl aniline (2) + aniline or N-methyl aniline (3) mixtures and are positive for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + water (2) + formamide (3) mixture over entire composition of (1) and (2) components. However, the magnitude and sign of value for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) + water (2) + N,N-dimethyl formamide (3) mixture vary by the relative composition of the constituent molecules. The and H (E) data have also been tested in terms of Graph and Prigogine-Flory-Patterson theories.
引用
收藏
页码：1293 / 1302
页数：10
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