Heats of solution of 1∶1 electrolytes in 1-propanol,and derived enthalpies of transfer from water |
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Authors: | Michael H. Abraham Angela F. Danil de Namor Ronald A. Schulz |
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Affiliation: | (1) Department of Chemistry, University of Surrey, Guildford, Surrey, England |
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Abstract: | Heats of solution of 13 1 1 electrolytes in 1-propanol have been determined calorimetrically at various electrolyte concentrations, and extrapolated to zero concentration to give Hso values for these electrolytes. Together with literature data on three additional 1 1 electrolytes, these measurements yield a self-consistent set of single-ion enthalpies of transfer from water to 1-propanol. Values are tabulated for 10 univalent cations and five univalent anions. It is shown that the Hto (Ph4As+)= Hto(Ph4B–) assumption yields chemically reasonable single-ion values. Using this assumption, it may be deduced that all the univalent ions studied have about the same enthalpy in 1-propanol as in methanol. |
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Keywords: | Electrolytes 1-propanol water heats enthalpies transfer |
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