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E-Journal of Chemistry
Volume 6 (2009), Issue 1, Pages 138-140

Ultrasonic Investigation of Molecular Interactions in Binary Mixtures at 303 K

R. Nithya,1 S. Nithiyanantham,2 S. Mullainathan,3 and M. Rajasekaran3

1Department of Physics, Selvam College of Arts and Science, Namakkal, Tamil nadu, India
2Department of Physics, SRM University, Kattankulathur, Tamil nadu–603 203, India
3Department of Physics, AVC, College of Engineering, Mayiladuthurai, Tamil nadu, India

Received 27 May 2008; Accepted 20 July 2008

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The ultrasonic velocity, density and viscosity at 303 K have been measured in the binary systems of toluene with benzene and o-xylone with benzene. The acoustical parameters such as adiabatic compressibility, free length, free volume and acoustical impedance are calculated. The results are interpreted in terms of molecular interaction between the components of the mixtures