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Thermophysical and thermoacoustical properties of acetophenone with ethyl butyrate at temperatures of 303.15, 313.15, and 323.15 K


Densities, viscosities, and ultrasonic velocities of the binary mixtures of acetophenone with ethyl butyrate were measured over the entire mole fractions at 303.15, 313.15, and 323.15 K. From these experimental results, excess molar volume V E, viscosity deviation Δη, deviations in isentropic compressibility Δκ s , excess intermolecular free length ΔL f , and excess Gibbs free energy ΔG*E were calculated. The viscosity values were fit to the models of Krishnan–Laddha and McAllister. The thermophysical properties under study were fit to the Jouyban–Acree model. The excess values were correlated using Redlich–Kister polynomial equation to obtain their coefficients and standard deviations. It was found that in all cases, the data obtained fitted with the values correlated by the corresponding models very well. The results are interpreted in terms of molecular interactions occurring in the solution.

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Correspondence to K. Saravanakumar.

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Ramesh, R., Gokulakrishnan, M., Saravanakumar, K. et al. Thermophysical and thermoacoustical properties of acetophenone with ethyl butyrate at temperatures of 303.15, 313.15, and 323.15 K. J. Engin. Thermophys. 25, 227–235 (2016).

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  • Binary Mixture
  • Acetophenone
  • Ultrasonic Velocity
  • Excess Molar Volume
  • Excess Gibbs Energy