CALCULATION OF HEATS OF SOLUTION IN SATURATED MIXED ELECTROLYTES | Zendy

Y. Iyengar | Zendy

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CALCULATION OF HEATS OF SOLUTION IN SATURATED MIXED ELECTROLYTES

Author(s) -

Y. Iyengar

Publication year - 1960

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v60-019

Subject(s) - chemistry , electrolyte , thermodynamics , activity coefficient , solubility , pitzer equations , ideal solution , inorganic chemistry , aqueous solution , electrode , physics

Theoretical equations have been derived for calculating heats of solutions of an electrolyte in its saturated system comprising one or more electrolytes. These expressions involve the application of "Harned's rule" concerning activity coefficients in mixed electrolytic solutions to an extension of van't Hoff's equation dealing with the temperature coefficient of solubility product in non-ideal systems. The commonly occurring case of mixed electrolytic pairs has been considered in detail. Application of theoretical equations to calculate the heats of solutions KCl, NaCl, and KNO 3 in the saturated systems KCl–NaCl–H 2 O and KCl–KNO 3 –H 2 O is briefly discussed.

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