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An experiment on the liquid–vapor equilibrium for water

 

作者: Susana Gesari,   Beatriz Irigoyen,   Alfredo Juan,  

 

期刊: American Journal of Physics  （AIP Available online 1996）
卷期: Volume 64, issue 9  

页码: 1165-1168

 

ISSN:0002-9505

 

年代: 1996

 

DOI:10.1119/1.18338

 

出版商: American Association of Physics Teachers

 

关键词: WATER;VAPOR PRESSURE;PHASE TRANSFORMATIONS;VAPORIZATION HEAT;EDUCATIONAL TOOLS;THERMODYNAMIC PROPERTIES;01.50.P;05.70

 

数据来源: AIP

 

摘要:

In the present paper we propose a simple and easy method to determine the latent heat of vaporization of pure water, using the Clausius–Clapeyron equation. The vapor pressure of water was calculated from measurements of temperature and volume, assuming an ideal gas behavior for the vapor. The calculated heat of phase change is in a good agreement with the latent heat of vaporization, obtained from the empirical Antoine equation and from the literature.

 

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