Thermochemistry of interactions of Na+ with benzo-15-crown-5 ether in acetonitrile-water mixtures at 298.15 K |
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Authors: | H Piekarski Malgorzata Józwiak |
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Institution: | (1) Department of Physical Chemistry, University of ódz, Pomorska 165, 90-236 ódz, Poland |
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Abstract: | Enthalpies of dissolution of benzo-15-crown-5 ether (B15C5) in mixtures of acetonitrile with water and in solutions of NaI and NaBPh4 (I=0.05 mol dm–3) in these mixtures were measured at 298.15 K. From the obtained results and appropriate literature data, the thermodynamic functions of B15C5/Na+ complex formation in acetonitrile-water mixtures were determined. The enthalpies of transfer of the complex B15C5/Na+ from pure acetonitrile to the examined mixtures were calculated and are discussed. |
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Keywords: | acetonitrile-water mixtures benzo-15-crown-5 ether/Na+ complex complex solvation dissolution enthalpy thermodynamic functions of complex formation |
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