| XCH2COOH（X=H,Cl,Br,I）在水—DMF混合溶剂中的电离 |
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| 引用本文： | 雷群芳,林瑞森.XCH2COOH（X=H,Cl,Br,I）在水—DMF混合溶剂中的电离[J].浙江大学学报(自然科学版 ),1997,31(4):481-489. |
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| 作者姓名： | 雷群芳 林瑞森 |
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| 作者单位： | 浙江大学化学系 |
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| 基金项目： | 高等学校博士点专项资助项目 |
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| 摘 要： | 在测定２９８．１５Ｋ取代乙酸ＸＣＨ２ＣＯＯＨ（Ｘ＝Ｈ，Ｃｌ，Ｂｒ，Ｉ）于水－ＤＭＦ混合溶剂中的标准电离焓及电离平衡常数的基础上，计算相应热力学函数，分析与讨论溶剂效应等因素对弱酸电离的影响，并得到自由能的线性关系．
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| 关 键 词： | 弱酸 电离 量热 混合溶剂 热力学函数 |
Dissociation of the organic acids XCH 2COOH(X=H,Cl,Br,I) in water-DMF mixtures |
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| Lei Qunfang,Lin Ruisen.Dissociation of the organic acids XCH 2COOH(X=H,Cl,Br,I) in water-DMF mixtures[J].Journal of Zhejiang University(Engineering Science),1997,31(4):481-489. |
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| Authors: | Lei Qunfang Lin Ruisen |
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| Abstract: | On the basis of the measurements on the molar enthalpies of ionization and dissociation constants of the organic acids XCH 2COOH(X=H,Cl,Br,I) in water-DMF mixtures at 298.15K,some thermodynamic functions for the dissociation of the acids were calculated.The effects of solvation and substituting groups on the dissociation were analyzed and discussed.The linear free energy relationships of these acids in water-DMF mixtures were then obtained. |
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| Keywords: | weak acids dissociation calormetry mixed solvent thermodynamic functions |
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