The thermodynamic characteristics of complex formation between vanadium(V) and malonic acid |
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| Authors: | P N Vorob’ev N G Dmitrieva S N Gridchin T D Orlova M A Zadorova |
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| Institution: | (1) Ivanovo State University of Chemical Technology, Ivanovo, Russia |
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| Abstract: | Coordination and protolytic equilibria in the system vanadium(V)-malonic acid were studied calorimetrically at 298.15 K and I = 1.0(NaClO4). The heat effects of formation of the VO2CH2(COO) 2 ? complex and step protonation of the malonate ion were determined for the first time. The data obtained were used to calculate the thermodynamic characteristics (logK, ΔG, ΔH, and ΔS) of the equilibria studied. |
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