Thermochemistry of Cobaltous Hydroxide
The heat of solution and heat of precipitation of Co(OH)2(pink) were determined calorimetrically. Combination of the calorimetric data with appropriate heats of formation yield ΔH°f = -129.4 kcal. per mole for Co(OH)2(pink). This ΔH°f was combined with ΔG°f = -110.0 kcal. per mole for Co(OH)2(pink) from solubility data to yield S°298 = 22.3 cal. per degree per mole for Co(OH)2(pink).
L. M. Gedansky et al., "Thermochemistry of Cobaltous Hydroxide," Journal of Chemical and Engineering Data, American Chemical Society (ACS), Jan 1967.
The definitive version is available at http://dx.doi.org/10.1021/je60032a043
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© 1967 American Chemical Society (ACS), All rights reserved.