Ultrasonic Studies on Ternary Mixtures of Acrylonitrile in Benzene with N-Ndimethyl aniline at 303, 308 and 313K
R. Chithradevi
Department of Physics, N.K.R Govt. Arts College for Women, Namakkal , IN
R.Mathammal
Department of Physics, N.K.R Govt. Arts College for Women, Namakkal , IN
V.Rohini
Department of Physics, N.K.R Govt. Arts College for Women, Namakkal , IN
Keywords: Ultrasonic Velocity, Adiabatic compressibility, Absorption Coefficient (α/f 2)), Relaxation time
Abstract
The Ultrasonic velocity (U), Density (ρ) and viscosity (η) have been measured for the ternary liquid mixture of
acrylonitrile (AN) with benzene in N-N-dimethyl aniline 303, 308and313K respectively. From the experimental data
various acoustical and thermo dynamical parameters such as; adiabatic compressibility (β), and Specific acoustic
Impedance (Z), Absorption Coefficient (α/f
2)) and Relaxation Time ( ) have been computed using the standard relations.
The results have been analyzed on the basis of variation in thermodynamic parameters. These parameters are found to be
very sensitive in exploring the interaction between the component molecules, which enable to have better understanding
of the liquid mixtures Since the system show similar trends for evaluated parameter so the constituent ternary mixture at different temperatures.
The results have been interpreted in terms of dipole induced dipole interaction.
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