Limitations of the Wilson Model for Describing Excess
Molar Heat Capacities of Binary Solutions

V. M. Raeva, S. K. Klyuchikov, A. K. Frolkova, and L. A. Serafimov

Lomonosov State Academy of Fine Chemical Technology, pr. Vernadskogo 86, Moscow, 117571 Russia

e-mail: raeva@wwwcom.ru

Received March 26, 2008

Abstract—The forms of the concentration dependences of the excess molar heat capacities of 150 homoge-
neous binary solutions were analyzed. Limitations of the Wilson model as a tool for reproducing the local trends
of these dependences, including those related to temperature changes, were revealed.

DOI: 10.1134/S0036024409050173

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