EXCESS THERMO ACOUSTICAL PARAMETERS OF BINARY LIQUID MIXTURES OF TRIMETHYLAMINE WITH FORMIC ACID AT DIFFERENT TEMPERATURES
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 0, Vol 4, Issue 9
Abstract
the densities, viscosities and ultrasonic velocities of the binary liquid mixtures of Trimethylamine with Formic acid have been measured at temperatures 298K, 303K and 308K over the entire range of mole fraction of Trimethylamine. From the experimental data various thermo acoustical parameters namely adiabatic compressibility (β), free length (Lf), free volume (Vf), internal pressure (π) and Gibb’s free energy of activation have been evaluated. Excess values of the above parameters have also been calculated. The results are explained on the basis of molecular interactions present in these mixtures.
Authors and Affiliations
Shivani A. Thakur
Keywords
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