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Physical Science International Journal, ISSN: 2348-0130,Vol.: 18, Issue.: 1

Short Research Article

Failure of the Identity That Links Thermal Expansion and Isothermal Compressibility in the Case of Condensed Phases

 

I. A. Stepanov1*

1Institute of Science and Innovative Technologies, Liepaja University, Liela 14, Liepaja, LV-3401, Latvia.

Article Information

Editor(s):

(1) Daniel Beysens, OPUR International Organization for Dew Utilization, France.

(2) Thomas F. George, Chancellor / Professor, Department of Chemistry and Physics, University of Missouri-St. Louis, Boulevard St. Louis, USA.

Reviewers:

(1) João Batista Campos Silva, UNESP, Brazil.

(2) Anil Kumar Koneti, GVR & S College of Engineering and Technology, India.

(3) Imdat Taymaz, Sakarya University, Turkey.

(4) Jelena Purenović, University of Kragujevac, Serbia.

Complete Peer review History: http://www.sciencedomain.org/review-history/24647

Abstracts

In thermodynamics, there is a relation that connects the thermal expansion coefficient and the isothermal compressibility. It has been supposed that it was a universal identity. However, it is shown here that this identity is not appropriate for condensed phases. Experimental measurements confirm this conclusion. This relation is used in the derivation of Mayer's relation and the heat capacity ratio, and proceeds to produce results that significantly deviate from experimental results for condensed phases. An additional mistake is also detected in the derivation of Mayer's relation.

Keywords :

Isothermal compressibility; adiabatic compressibility; isobaric heat capacity; isochoric heat capacity; Mayer's relation; ice 7.

Full Article - PDF    Page 1-7

DOI : 10.9734/PSIJ/2018/41102

Review History    Comments

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