Estimation of the entropy of vaporization at the normal boiling point for azeotropic mixtures containing water, alcohol or acetic acid

Yaşar Demirel

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The entropy of vaporization at the normal boiling point has been estimated for binary and ternary azotropic mixtures containing water, alcohol or acetic acid. For this purpose, the Lee-Kesler correlation, developed originally for pure substances, is used with the appropriate mixing rules to estimate the heat of vaporization of the mixtures. Estimations for the entropy of vaporization of the 97 binary and 78 ternary mixtures are expressed as function of the ratio of the normal boiling point to average molecular weight. These expressions predict the entropy of vaporization satisfactorily, with less than 5% average deviation.

Original languageEnglish (US)
Pages (from-to)79-85
Number of pages7
JournalThermochimica Acta
Volume339
Issue number1-2
DOIs
StatePublished - Nov 15 1999

Keywords

  • Azeotropic mixtures
  • Entropy of vaporization
  • Heat of vaporization

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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