Journal of Solution Chemistry

, Volume 10, Issue 3, pp 209–220 | Cite as

Enthalpies of solvation in cyclohexane and in water for homologous aliphatic ketones and esters

  • G. Della Gatta
  • L. Stradella
  • P. Venturello


The standard enthalpies of solution at infinite dilution were determined for homologous aliphatic ketones and esters in water and in cyclohexane, using a rotating Calvet calorimeter, and solution concentrations about 5×10−4 mole fraction. Vaporization enthalpies, obtained for each compound with an effusion calorimetric cell, were added to calculate the solvation enthalpies. Their dependence on the number of carbon atoms in the chain is discussed in terms of the Friedman and Krishnan treatment. The effect of polarization of the functional groups is evaluated, and separation from the influence of chain length and the hydrophobic interactions of the methylenes is attempted. For the aqueous solutions, the rearrangement in the structure of the solvent around solute molecules is also considered in relation to deviations from linearity. Comparisons are made with solvation enthalpies obtained for ketones and esters with branched or cyclic substitutes.

Key words

Enthalpy of solution cyclohexane enthalpy of solvation hydrophobic interaction aqueous solution aliphatic ketones and esters 


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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • G. Della Gatta
    • 1
  • L. Stradella
    • 1
  • P. Venturello
    • 2
  1. 1.Istituto di Chimica Generale ed InorganicaFacoltà di Farmacia Università di TorinoTorinoItaly
  2. 2.Istituto di Chimica OrganicaFacoltà di Scienze Università di TorinoTorinoItaly

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