| Abstract
| - Densities ρ, refractive indices n, and volumetric heat capacities Cp/V have been measured at 298.15 Kover the whole concentration range for the binary mixtures {tetrahydrofuran + 2-pentanone, +2-heptanone, or + cyclopentanone}. From experimental data excess molar volumes VE, excess molarrefractions RE, and excess molar isobaric heat capacities CpE were calculated. Excess molar enthalpiesHE have been measured at the same temperature for the systems {tetrahydrofuran + 2-pentanone, +2-heptanone, + cyclopentanone, or + cyclohexanone}. These quantities are discussed in terms of thenature of intermolecular interactions and in terms of the influence of the shape and size of the ketone.The ratio of molar volume to molar refraction V/R allows n, V, and Cp data to be analyzed in acomprehensive form.
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