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Thermodynamic Functions of Activation for Viscous Flow in Electrolyto-Water-Organic Solvent Systems. Part I. NaI Solutions in Mixtures of Water with Isopropanol and Tert-butanol

100%
Kacperska A., Taniewska-Osińska S., Department of Phisical Chemistry I. o. C.
Acta Universitatis Lodziensis. Folia Chimica
|
1988
|
vol. 8
EN
Functions of activation for viscous flow ΔH*, ΔS*, and ΔG* have been calculated for the systems NaI-water-isopropanol in the range of temperatures 288.15-313.15 K and NaI-water-tert- -butanol in the range of temperatures 299.15-313.15 K. The calculations were made for NaI solutions with concentrations 0.5, 1.0 and 2.0 moles of salt per 100 moles of the solvent on the basis of our previous viscosity data. The results obtained have been interpreted from the point of view of alcohol effect on the water structure and that of NaI on a mixed solvent structure.
PL
Obliczono termodynamiczne funkcje aktywacji lepkiego przepływu ΔH*, ΔS* i ΔG* dla układów NaI-woda-izopropanol w zakresie temperatur 288.15-313.15 K i NaI-woda-tert-butanol w zakresie temperatur 299.15-313.15 K. Obliczenia wykonano dla roztworów NaI o stężeniach 0.5, 1.0 i 2.0 mole soli na 100 moli rozpuszczalnika. Uzyskane wyniki zinterpretowano z punktu widzenia wpływu alkoholu na strukturę wody oraz NaI na strukturę mieszanego rozpuszczalnika.
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The values of the viscosity coefficients of NaI solutions in the mixtures of water with butanol isomers

100%
Taniewska-Osińska S., Kacperska A., Department of Physical Chemistry U. o. Ł.
Acta Universitatis Lodziensis. Folia Chimica
|
1983
|
vol. 2
EN
The viscosity of NaI solutions at concentrations of 0.5, 1.0 and 2.0 moles of electrolyte per 100 moles of the mixed solvent has been measured within the whole composition range of the mixtures of water with isobutanol, sec-butanol at 298.15 K and with tert-butanol at 299.15 K.
PL
Zmierzono lepkość roztworów NaI w mieszaninach wody z lzobutanolem, aec- -butanolem w temperaturze 296,15 K i tert-butanolem w temperaturze 299,15 K w całym zakresie składów mieszanego rozpuszczalnika. Pomiary wykonano w roztworach NaI o stężeniu: 0,5, 1,0 i 2,0 mole elektrolitu na 100 moli mieszanego rozpuszczalnika.
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