Extended irreversible thermodynamics and the quality of

temperature and pressure

ANIL A BHALEKAR

 Department of Chemistry, Nagpur University, Amravati Road Campus, Nagpur 440 010, India

MS received 25 November 1998; revised 1 April 1999

Abstract:

 It is reiterated that without a Gibbs-Duhem equation no thermodynamic description ofirreversible and reversible processes exists. It is shown with the help of Gibbs-Duhem equation of extended irreversible thermodynamics that the physical contents of intensive quantities, the temperature and the pressure, do not change in going from reversible to irreversible processes. This confirms well with the earlier demonstrations of Eu and Garc´ia-Col´in.

Keywords. Thermodynamics; irreversible thermodynamics; thermodynamic properties and entropy.

PACS Nos 05.70; 44.60; 65.65

 

 

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