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Thermodynamics of Solvation for Nano Barium Carbonate in Mixed DMF?H2O Solvents at Different Temperatures
Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 9)Publication Date: 2014-09-30
Authors : Mohamed N .H .Hamed; Esam A.Gomaa; Sameh G .Sanad;
Page : 97-105
Keywords : Thermodynamics; molar solubility; nano barium carbonate; free energy; enthalpy; entropy of solvation; mixed DMF ? H2O solvents;
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Abstract
The molar solubility for nano barium carbonate (BaCO3) in different percentages of dimethylformamide (DMF) and water were measured at 292.15, 303.15, 308.15 and 313.15K. From the molar solubilities for nano BaCO3, the solvation parameters like, activity coefficient, solubility product, free energy of solvation, enthalpy of solvation and entropy of solvation were estimated. All these solvation parameters were discussed.
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Last modified: 2014-10-14 22:20:13