Molar volumes,viscosity, and isentropic compressibility of some primary monoalkanols in aqueous N,N-dimethylformamide solutions |
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Authors: | M. N. Roy R. Chanda G. Ghosh |
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Affiliation: | (1) Faculty of Chemistry, University of Bu-Ali Sina, Hamadan, Iran;(2) Department of Chemistry, Faculty of Science, University of Lorestan, Khoramabad, Iran |
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Abstract: | The densities (ρ) and viscosities (η) for the ternary liquid mixtures of water + N,N-dimethylformamide + monoalkanols, have been measured as a function of the composition at 298.15, 308.15, and 318.15 K. From the experimental measurements excess molar volumes (V E), Viscosity deviation (Δη), and synergy index (I s) have been evaluated. The speeds of sound have been also measured and excess isentropic compressibilities (K sE) are calculated al 298.15 K. The results are discussed and interpreted in terms of molecular package and specific interaction predominated by hydrogen bonding, been investigated. |
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