Abstract
The viscosity (η), ultrasonic velocity (U) and density (ρ) have been measured for the binary liquid mixtures containing aniline and formamide at 303.15 K, 308.15K and 313.15K. The experimental data have been used for a comparative study of the molecular interaction in the binary mixture using the parameters molar volume (Vm), acoustical impedance (Z), free length (Lf), enthalpy (H), internal pressure (πi), and excess values of some parameter’s such as excess isentropic compressibility (KsE), excess Enthalpy (HE), excess molar volume(VE), excess Gibb’s free energy (ΔG*E) and excess free length (LfE)explained on the basis of the intermolecular interactions present in these liquid mixtures. The excess functions have been fitted to the Redlich-Kister type polynomial equation.
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