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Title: Acoustic studies of binary mixtures of N-methylacetamide with some chloroethanes and chloroethenes at 308.15 K
Authors: Sathyanarayana, B
Jyostna, T Savitha
Satyanarayana, N
Keywords: Ultrasonics
Binary mixtures
Issue Date: Aug-2006
Publisher: CSIR
Series/Report no.: B01J19/10
Abstract: The densities and speeds of sound of mixtures of 1,2 dichloroethane, 1,1,2 trichloroethane, 1,1,2,2 tetrachloroethane, trichloroethene and tetrachloroethene with N-methylacetamide, over the entire range of composition, have been measured at a temperature of 308.15 K. The deviations in speed Δ<i style="">u</i>, isentropic compressibility Δk<sub>S</sub>, intermolecular free-length Δ<i style="">L</i><sub>F</sub> and relative association <i style="">R</i><sub>A</sub> have been computed using speed and density values. The Δ<i style="">u</i> values are negative whereas Δk<sub>S</sub> and Δ<i style="">L</i><sub>F</sub> values are positive for all the systems, which indicate the non-specific interactions between unlike molecules. The results are discussed in the light of intermolecular interactions occurring in the solutions. The computed results of Δk<sub>S</sub>, have been fitted to a Redlich-Kister type polynomial equation.
Description: 587-591
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.44(08) [August 2006]

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