Thermochemistry of Cs(hydrogen phthalate) and Cs2(terephthalate)

被引：0
|
作者：
Hu, MC [1 ]
Geng, CY [1 ]
Liu, ZH [1 ]
Jiang, YC [1 ]
Li, S [1 ]
机构：
[1] Shaanxi Normal Univ, Sch Chem & Mat Sci, Xian 710062, Peoples R China
来源：
THERMOCHIMICA ACTA | 2005年 / 430卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
synthesis; characterization; standard enthalpy of formation;
D O I：
10.1016/j.tca.2005.01.024
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
New compounds of phthalic acid, Cs(HPHT), and terephthalic acid, Cs-2(TPA), have been synthesized. The enthalpy of solution of Cs(HPHT) in water was determined and combined with the standard molar enthalpies of formation of CsOH(aq), H2O(1) and phthalic acid(s) to calculate the standard molar enthalpy of formation of Cs(HPHT) of -(1035.6 +/- 0.5)kJmol(-1). The enthalpies of solution Of Cs-2(TPA) and TPA in approximately 0.11 mol dm(-3) CsOH were determined and combined with the standard molar enthalpies of formation of TPA(s), H2O(1) and CsOH(aq, 1:500) to calculate the standard molar enthalpy of formation Of Cs-2(TPA) of -(1266.2 +/- 0.3) kJ mol(-1). (c) 2005 Elsevier B.V. All rights reserved.
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页码：197 / 199
页数：3
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