Enthalpies of solution of Hexamethylenetetramine in water at several molal concentrations and at four temperatures (278.15, 288.15, 298.15, and 308.15) K were determined. The values of enthalpy of solution at infinite dilution were combined with the enthalpy of sublimation to get the corresponding enthalpies of hydration. The change in heat capacity at infinite dilution was calculated.
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