Molecular Interaction Studies on Binary Liquid Mixture Containing O-Cresol and Formamide at 318.15 K
Journal: International Journal of Scientific Engineering and Research (IJSER) (Vol.4, No. 11)Publication Date: 2016-11-05
Authors : Ch. Murali Krishna; Ch. V. Padmarao; S. Ramakrishna; C. Rambabu;
Page : 34-36
Keywords : O-Cresol; Formamide; ultrasonic velocity; viscosity; density;
Abstract
Ultrasonic velocity, density and viscosity of binary liquid mixture containing O-Cresol and Formamide have been calculated as a function of mole fractions by using ultrasonic interferometer of frequency 2MHz at 318.15K. The change in adiabatic compressibility (??ad), excess intermolecular free length (LfE) and excess free volume (VE) have been calculated. Positive deviations of ultrasonic velocities and negative deviations of adiabatic compressibility from mole fraction mixture law have been observed. The observed variations of these parameters, with concentration and temperature, are discussed in terms of the intermolecular interactions between the unlike molecules of the binary mixtures.
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