Abstract
The enthalpies of solution ofn-propyl alcohol, ethylene glycol, and glycerol in the H2O—1,4-dioxane and H2O—1,2-dimethoxyethane mixtures were measured in the range of molal concentrations (m alc) of the dissolved alcohol from 0 to 0.1 mol kg−1 at 298.15 K. The enthalpies of solvation of alcohols and the enthalpies of their transfer from water to a mixed aqueous-organic solvent were discussed. The effect of the nature of the studied nonelectrolytes on the characteristics obtained was established. The enthalpy coefficients of binary (h 23) and ternary (h 223) interactions between the molecules of the solute (subscript 3) and the non-aqueous component (subscript 2) of the mixed solvent in the temary solution were calculated. Theh 23 values increase as hydrophobic properties in the alcohol series (glycerol, ethylene glycol, andn-propyl alcohol) increase.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1592–1599, September, 1997.
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Kulikov, M.V., Trutneva, E.Y. Solvation of alcohols with different number of OH groups in mixed solvents H2O—1,4-dioxane and H2O—1,2-dimethoxyethane at 298.15 K. Russ Chem Bull 46, 1518–1525 (1997). https://doi.org/10.1007/BF02502931
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DOI: https://doi.org/10.1007/BF02502931