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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > July  >
Laboratory Experiments
Mechanical Coefficients of Liquids by a Differential Expansion Method
Valentín García Baonza, Mercedes Cáceres, and Javier Núñez
Departamento de Quimica Fisica, Facultad de Ciencias Quimicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
Cover
July 1996
Vol. 73 No. 7
p. 690
Abstract
Mechanical coeffecients of liquids play an important role in the understanding of the physics of fluids. There is a relative small number of undergraduate experiments dealing with thermodynamic properties of pure liquids and liquid mixtures. In fact, it is difficult to find experiments other than direct determination of liquid molar volumes or the molar excess volume for binary mixtures, which are usually measured by pyknometry. This paper describes a simple experiment designed to measure the isothermal compressibility and the thermal expansion coefficient of liquids. The experiment is based on an expansion principle and can be carried out with a rather simple experimental device. Additional features of the method and advanced experiments are discussed.
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*  Citation
 Valentín García Baonza, Mercedes Cáceres, and Javier Núñez. J. Chem. Educ. 1996 73 690.
*  Keywords
*  History
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Last Updated:		 9/23/1999
5/22/2006
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