DETERMINATION OF VAPOR HEAT CAPACITIES OF ACETONE - CHLOROFORM,BENZENE-CARBON TETRACHLORIDE AND BENZENE -ETHANOL BINARY SYSTEMS

俞庆森; 方文军; 宗汉兴; 林瑞森

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DETERMINATION OF VAPOR HEAT CAPACITIES OF ACETONE - CHLOROFORM,BENZENE-CARBON TETRACHLORIDE AND BENZENE -ETHANOL BINARY SYSTEMS

更新时间：2025-12-16

- DETERMINATION OF VAPOR HEAT CAPACITIES OF ACETONE - CHLOROFORM,BENZENE-CARBON TETRACHLORIDE AND BENZENE -ETHANOL BINARY SYSTEMS
- CIESC Journal Issue 5, (1995)
- 作者机构：
  
  浙江大学化学系!杭州310027,浙江大学化学系!杭州310027,浙江大学化学系!杭州310027,浙江大学化学系,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： 642
- Online First：25 October 1995，
  
  Published：25 October 1995
- 稿件说明：
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俞庆森, 方文军, 宗汉兴, et al. DETERMINATION OF VAPOR HEAT CAPACITIES OF ACETONE - CHLOROFORM,BENZENE-CARBON TETRACHLORIDE AND BENZENE -ETHANOL BINARY SYSTEMS[J]. CIESC Journal, 1995, (5).
DOI：

俞庆森, 方文军, 宗汉兴, et al. DETERMINATION OF VAPOR HEAT CAPACITIES OF ACETONE - CHLOROFORM,BENZENE-CARBON TETRACHLORIDE AND BENZENE -ETHANOL BINARY SYSTEMS[J]. CIESC Journal, 1995, (5). DOI：

摘要

用自行建立的多组分气体流动热量计测定丙酮-氯仿、苯-四氯化碳和苯-乙醇3个二元体系于不同温度、不同组成时的常压汽相热容。实验结果表明

丙酮-氯仿体系的汽相热容相对于理想混合为正偏差

苯-乙醇体系为负偏差

而苯-四氯化碳体系的非理想性不明显。文中还讨论了汽相分子间相互作用对热容的影响

Abstract

The vapor heat capacities as a function of temperature at 101. 3kPa of three binary systems

acetone-chloroform

benzene - carbon tetrachloride and benzene-ethanol

were measured in a multicomponent vapor flow calorimeter constructed in this laboratory. The results show that the vapor heat capacities of acetone - chloroform are positive and those of benzene -ethanol are negative as compared with the linear additive values while the non-ideality of benzene - carbon tetrachloride system is very small. The effect of intermolecular forces on the vapor heat capacity was discussed.

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