Enthalpies of dilution and solution of succinic, malonic, and glutaric acids in water at 298.15 K

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Molar enthalpies of dilution of succinic acid in water at 298.15 K were measured by a “long-jump” method. Enthalpies of solution of three organic acids (malonic, succinic, and glutaric acid) in water at 298.15 K were measured. The molar enthalpies of solution extrapolated to infinite dilution are: malonic acid, Δ sol H m ∞ = 20.96 kJ · mol −1; succinic acid, Δ sol H m ∞ = 29.08 kJ · mol −1; glutaric acid, Δ sol H m ∞ = 24.98 kJ · mol −1.