Chen, T. and Hefter, Glenn and Buchner, Richard and Senanayake, G. (1998) Molar volumes and heat capacities of electrolytes and ions in nonaqueous solvents: 1. Formamide. Journal of Solution Chemistry 27 (12), pp. 1067-1096.
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Apparent molar volumes and heat capacities of 27 electrolytes have been measured as a function of concn. in formamide at 25°C using a series-connected flow densimeter and Picker calorimeter system. These data were extrapolated to infinite diln. using the appropriate Debye-Huckel limiting slopes to give the corresponding std. partial molar quantities. Ionic vols. and heat capacities at infinite diln. were obtained by an appropriate assumption based on the ref. electrolyte Ph4PBPh4 (TPTB). The ionic vols., but not the heat capacities. agree reasonably well with previously published statistically based predictions. The values obtained are discussed in terms of simple models of electrolyte soln. behavior and a no. of interesting features are noted, including, possible dependencies of ionic vols. on solvent isothermal compressibility and of ionic heat capacities on solvent electron acceptor abilities.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||molar vol heat capacity electrolyte nonaq solvent formamide|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||15 Jun 2012 09:05|
|Last Modified:||15 Jun 2012 09:05|