• Gurcharan Dass

      Articles written in Journal of Chemical Sciences

    • Excess molar volumes and viscosities of binary mixtures of 1,2-dimethoxyethane with chloroalkanes at 298·15 K

      Amalendu Pal Gurcharan Dass Sanjay Sharma

      More Details Abstract Fulltext PDF

      Excess molar volumes (VmE), viscosity deviations (Δlnη) and excess energies of activation for viscous flow (ΔG*E) are reported for non-electrolyte mixtures of 1,2-dimethoxyethane (monoglyme) and dichloromethane, trichloromethane, and tetrachloromethane at 298·15 K and at atmospheric pressure over the whole mole fraction range. The Prigogine-Flory-Patterson (PFP) model has been used to calculateVmE, and the results are compared with experimental data. The Bloomfield and Dewan model has been used to calculate viscosity coefficients, which are compared with experimental data for three mixtures. These results have been analysed in terms of dipole-dipole interactions between 1,2-dimethoxyethane and chloroalkanes. The magnitude of the strength of interaction decreases with the dipole character of the molecule.

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