HEATS OF ASSOCIATION OF AQUEOUS COPPER, NICKEL, AND COBALT IONS WITH HALIDE IONS

Abstract
Calorimetric measurements are reported for the heats of formation of CoCl+, NiCl+, CuCl+, CoBr+, NiBr+, and CuBr+ from simple aqueous ions. Values of ΔF, ΔH, and ΔS for these reactions at 25 and 40 °C, and an ionic strength of 2.0 were found. It was noted that ΔH and ΔS seem to be related by the equation: ΔH = 254ΔS + 201, for values at both temperatures.

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