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Ultrasonic studies on molecular interactions in the binary mixture of ammonium chloride in polyethylene glycol (600) solution

Author(s): Subramanian Ravichandran*,K.Ramanathan

Densities and ultrasonic velocities have been measured at 303K for the binary mixture of ammonium chloride with polyethylene glycol (600) in different concentrations. From these values, isentropic compressibility (Ks), intermolecular free length (Lf), viscosity (), internal pressure (i), molar volume (V), relaxation time () and classical absorption (/f2)class have been calculated and interpreted in terms of intermolecular interactions. Excess parameters and their deviations namely excess isentropic compressibility, excess intermolecular free length and excess viscosity have been calculated. Further theoretical values of ultrasonic velocity in the binary liquid mixture are calculated using three different theoretical models. The relative merits of these theories and relations have been discussed.

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