Thermodynamic Quantities of Hydrochloric Acid in Isopropanol-Water, 1,2-Dimethoxyethane-Water, and Tetrahydrofuran-Water Mixtures

Rabindra N. Roy, Alfred L.M. Bothwell

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

The thermodynamic quantities ΔG1, ΔS0, and ΔH0 for the process of transfer of HCl from waerr to isopropanol-water, 1,2-dimethoxyethane-water, and tetrahydro-furan-water mixtures have been evaluated from the En values and the variations of Em with temperature. The cell previously used was of the type Pt, H2 (gas, 1 atm)[HCl(m), organic solvent (X), water (Y) AgCl, Ag. For isopropanol-water mixtures, the electrostatic part of the total Gibbs energy (free energy), entropy, and enthalpy of transfer weee calculated using the Born equation and hence the chemical (nonelectrostatic effect of the thermodynamic functions has been obtained by subtracting the electrostatic contribution from the total transfer quantities). The significance of the data in relation to the acid-base properties for all the mixed solvents and the breakdown of the structuee of water on the gradual addition of isopropanol have been discussed.

Original languageEnglish (US)
Pages (from-to)347-351
Number of pages5
JournalJournal of Chemical and Engineering Data
Volume16
Issue number3
DOIs
StatePublished - Jul 1 1971
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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