The standard transported entropy of chloride ion in H2O and D2O期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The standard transported entropy of chloride ion in H2O and D2O

Authors:	Jeong-Iong Lin

Institution:	(1) Department of Chemistry, Boston College, 02167 Chestnut Hill, Massachusetts

Abstract:	Transported entropies of the chloride ion, $\bar \bar S_{Cl^ - }$ , in H₂O and in D₂O at 25°C and at concentrations ranging from 0.001 to 0.04m have been determined from the measurements of the steady-state (final) thermoelectric powers of the silver-silver chloride thermocell. Experimental data was extrapolated to infinite dilution to obtain the standard transported entropy $\bar \bar S_{Cl^ - }^ \circ$ . The concentration dependence of $\bar \bar S_{Cl^ - }$ is examined and the solvent-isotope effect on the transported entropy is investigated. Thermodynamic data on the entropy of transfer of chloride ion from H₂O to D₂O is used to estimate the difference of the standard ionic entropy of transport in H₂O and D₂O for chloride ion.

Keywords:	Thermal diffusion transported entropy chloride ion thermocell entropy of transfer ionic entropy of transport
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