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Thermodynamic analysis of thermal-dissociation of complex-compounds in the systems of the type A-ArBs and B-ArBs

J. Vrbenská, I. Kostenská, P. Fellner, and M. Galová

Department of Electrotechnology, Faculty of Electrotechnics, Slovak Technical University, CS-812 19 Bratislava

 

Abstract: It is shown that thermal dissociation of complex compound ArBs in the mixture containing components A or В depends on the value of stoichio­ metric coefficients r and s. In the systems of the type A— ArBs for s>1 and В—ArBs for r>1 the degree of thermal dissociation of the complex com­ pound at infinite dilution equals one (bx = 1) and the change of mole fraction of undissociated compound with the change of composition of the system equals zero. In this case there occurs a minimum on the curve of dependence of the degree of dissociation on composition of the system. On the contrary in the system of the type A—ArBs for s=1 and in the system В— ArBs for r=1 the degree of dissociation of the complex com­pound monotonously decreases with decreasing content of the compound in the system and at infinite dilution it approaches to a value which is generally different from one. The change of mole fraction of undissociated compound with the change of composition of the system differs from zero in this case.

Full paper in Portable Document Format: 443a321.pdf

 

Chemical Papers 44 (3) 321–328 (1990)

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