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Citation: Ni Liang, Lu Jie. Quasi-static Method for the Determination of the Heat and Entropy of Vaporization of the Solvent Mixture[J]. Acta Physico-Chimica Sinica, ;1996, 12(02): 146-151. doi: 10.3866/PKU.WHXB19960211 shu

Quasi-static Method for the Determination of the Heat and Entropy of Vaporization of the Solvent Mixture

Ni Liang ,
Lu Jie

1.
Department of Chemistry,Zhenjiang Teachers' College,Zhenjiang 212003

Received Date: 10 May 1995
Available Online: 15 February 1996

The principles of the method of boiling point elevation with which the heat and entropy of vaporization of solvent mixture are determined are discussed in detail. Quasistatic method is used to determine the normal boiling points for different concentrations of binary systems of ethanol-acetone, benzene-carbon tetrachloride and benzene-toluene. According to the data of boiling point, the differential heats and the entropies of vaporization are calculated. The obtained results show that when the deviations of the binary solvent mixture conforms to Trouton’s rule.
- The solvent mixture,
- Boiling point elevation,
- Quasi-static method,
- The differential heat of vaporization
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