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Thermodynamic investigation of the binary system of ethanol plus benzene
Nan, ZD; Jiao, QZ; Tan, ZC; Sun, LX
关键词Heat Capacity Ethanol Benzene Low Temperature Adiabatic Calorimetry
刊名THERMOCHIMICA ACTA
2003-11-28
DOI10.1016/S0040-6031(03)00247-8
406期:1-2页:151-159
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]EXTRACTIVE DISTILLATION ; HEAT-CAPACITIES ; CALORIMETER ; ENTHALPY ; ETHER
英文摘要The molar heat capacity of the binary system ethanol + benzene was measured by an adiabatic calorimeter in the temperature range from 80 to 320 K. The glass transition and phase transitions of the mixture were determined based on the curve of the heat capacity with respect to temperature. The glass transition occurred at 97.536K, the enthalpy and entropy of the glass transition were calculated to be 1.796 kJ mol(-1), 18.414 J mol(-1) K-1, respectively. The phase transitions took place in temperature ranges 115.875-128.400, 146.778-159.015 and 256.645-274.981 K corresponding to the solid-solid phase transition of ethanol, solid-liquid phase transition of ethanol and solid-liquid phase transition of benzene, respectively. The corresponding enthalpies and entropies of the phase transition were calculated to be -1.266 kJ mol(-1), -10.745 J K-1 mol(-1): 2.166 kJ mol(-1), 13.818 J K-1 mol(-1); 5.390 kJ mol(-1), 19.856 J K-1 mol(-1), respectively. The thermodynamic functions and the excess thermodynamic functions of the mixture relative to standard temperature 298.15 K were derived based on the relationships of the thermodynamic functions and the function of the measured heat capacity with respect to temperature. (C) 2003 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000186374000015
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138225
专题中国科学院大连化学物理研究所
作者单位1.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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Nan, ZD,Jiao, QZ,Tan, ZC,et al. Thermodynamic investigation of the binary system of ethanol plus benzene[J]. THERMOCHIMICA ACTA,2003,406(1-2):151-159.
APA Nan, ZD,Jiao, QZ,Tan, ZC,&Sun, LX.(2003).Thermodynamic investigation of the binary system of ethanol plus benzene.THERMOCHIMICA ACTA,406(1-2),151-159.
MLA Nan, ZD,et al."Thermodynamic investigation of the binary system of ethanol plus benzene".THERMOCHIMICA ACTA 406.1-2(2003):151-159.
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