Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 43, Issue 3, Pages 420-429Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2010.10.016
Keywords
Nitromethane; 2-Ethoxyethanol; 2-Butoxyethanol; Density; Viscosity; Relative permittivity; Speed of sound
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The density, relative permittivity, viscosity and speed of sound at T = (293.15, 298.15, 303.15, 308.15, and 313.15) K in the binary mixtures of nitromethane with 2-methoxyethanol and 2-butoxyethanol have been measured as a function of composition. From the experimental results, the excess molar volumes V-E, excess Gibbs free energy of activation for viscous flow (Delta G*(E)), excess isentropic compressibility (kappa(E)(s)) and the deviations in the relative permittivity, viscosity, and speed of sound from a mole fraction average have been calculated. The viscosity data, at T = 298.15 K, were correlated with equations of Hind et al., Grunberg and Nissan, Frenkel, and McAllister. The results are discussed in terms of intermolecular interactions and structure of studied binary mixtures. (C) 2010 Elsevier Ltd. All rights reserved.
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