Effect of temperature on the behavior of osmotic and activity coefficients of amides in aqueous solutions |
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| Authors: | Carmen M. Romero Maria E. González |
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| Affiliation: | (1) Departamento de Química, Universidad Nacional de Colombia, Bogotá, Colombia |
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| Abstract: | The osmotic coefficients of acetamide, propionamide and butyramide in water were measured at 293.15, 298.15 and 308.15 K using the isopiestic method. The activity coefficients were calculated for the aliphatic amides and the pairwise free energy coefficients for solute-solute interactions were determined according to the McMillan-Mayer theory. The osmotic and activity coefficients of amides are discussed in terms of solute-solute interactions. |
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| Keywords: | activity coefficients amides isopiestic method osmotic coefficients pairwise interaction coefficients |
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