Ultrasonic studies on binary mixtures of some aromatic ketones with acrylonitrile at 308.15 K
2005
The densities and sound speeds of mixtures of acetophenone, propiophenone, paramethyl acetophenone and parachloro acetophenone with acrylonitrile, over the entire range of composition, have been measured at a temperature of 308.15 K. The deviations in speed Au, isentropic compressibility Δk S , intermolecular free-length ΔL F and relative association R A have been computed using speed and density values. The Δu values are positive whereas Aks and ΔL F values are negative for all the systems, which indicate the specific interactions between unlike molecules. The results are discussed in the light of intermolecular interactions occurring in the solutions. The computed results of Δk S , have been fitted to a Redlich-Kister type polynomial equation.
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