Abstract
Sound velocities for Binary mixtures of 1,1,1-Trichloroethane (TCE) with methyl ethyl ketone, methyl isobutyl ketone, acetophenone, cyclohexanone, methyl acetate, ethyl acetate, n-propyl acetate and n-butyl acetate were determined at 303.15 K. Isentropic compressibility (Ks ) were computed from sound velocity and density data, derived from excess volume. The deviation in isentropic compressibility (Ks ) exhibits negative values for mixtures of TCE with methyl ethyl ketone, methyl isobutyl ketone, acetophenone, cyclohexanone ethyl acetate, n-propyl acetate and n-butyl acetate. On the other hand, the quantity is positive over the entire range of composition for the mixtures of TCE with methyl acetate. The results are explained in terms of interactions between unlike molecules. Further, the experimental sound velocity data have been analysed in terms of free length theory (FLT) and collision factor theory (CFT).
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