Thermodynamic properties of transition metals in aqueous solution. 2. The enthalpies of mixing of aqueous solutions of CoCl2, CuCl2, and MnCl2 with NaCl at varying ionic strength at 25°C

Donald R. Schreiber, James Huebner, Seyed Rahmani, Frank J Millero

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Enthalpies of mixing (ΔmH) aqueous solutions of CoCl2, CuCl2, and MnCl2 with NaCl solutions were measured at constant ionic strengths of 0.5, 1.0, and 3.0 molal at 25°C. The excess enthalpy equations of Pitzer were then fit to the resulting ΔmH data. The resulting parameters are the temperature derivatives of the activity coefficient mixing parameters in the Pitzer system. The heat of mixing data for CoCl2 and CuCl2 were in agreement with earlier isomolal results by other workers.

Original languageEnglish (US)
Pages (from-to)201-210
Number of pages10
JournalJournal of Solution Chemistry
Volume22
Issue number3
DOIs
StatePublished - Mar 1993

Fingerprint

Ionic strength
Thermodynamics
Osmolar Concentration
Transition metals
Enthalpy
Thermodynamic properties
thermodynamic properties
enthalpy
Metals
transition metals
aqueous solutions
Hot Temperature
Activity coefficients
Temperature
Derivatives
heat
coefficients
cupric chloride
manganese chloride
temperature

Keywords

  • CoCl
  • CuCl
  • enthalpy of mixing
  • MnCl
  • Pitzer's equations
  • Transition metals

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Thermodynamic properties of transition metals in aqueous solution. 2. The enthalpies of mixing of aqueous solutions of CoCl2, CuCl2, and MnCl2 with NaCl at varying ionic strength at 25°C. / Schreiber, Donald R.; Huebner, James; Rahmani, Seyed; Millero, Frank J.

In: Journal of Solution Chemistry, Vol. 22, No. 3, 03.1993, p. 201-210.

Research output: Contribution to journalArticle

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