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Citation: Hu Xin-Gen, Lin Rui-Sen, Zong Han-Xing. Enthalpies and Entropies of Dissolution and Dissociation of Benzoic Acid in EtOH-H₂O and i-PrOH-H₂O Mixtures[J]. Acta Physico-Chimica Sinica, ;1999, 15(09): 838-844. doi: 10.3866/PKU.WHXB19990913 shu

Enthalpies and Entropies of Dissolution and Dissociation of Benzoic Acid in EtOH-H₂O and i-PrOH-H₂O Mixtures

1.
Department of Chemistry,Zhejiang University,Hangzhou 310027

Received Date: 30 November 1998
Available Online: 15 September 1999

In this paper, the dissolution and dissociation enthalpies of benzoic acid in ethanol water and isopropanol-H2O mixtures have been determined by two kinds of microcalorimeters respectively. Combined with the corresponding Gibbs function changes existing in the literature, the dissolution and dissociation entropies have been calculated. Great efforts have been made to interpret the characteristic variations of the transfer enthalpies and entropies according to the skin phase model for solute solvent interactions and the structure alteration of the mixed solvents.
- Benzoic acid,
- Mixed solvent,
- Dissolution enthalpy,
- Dissociation enthalpy
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Enthalpies and Entropies of Dissolution and Dissociation of Benzoic Acid in EtOH-H2O and i-PrOH-H2O Mixtures

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通讯作者: 陈斌, bchen63@163.com

Enthalpies and Entropies of Dissolution and Dissociation of Benzoic Acid in EtOH-H₂O and i-PrOH-H₂O Mixtures