Densities, viscosities, and excess properties of (N-methylmorpholine plus cyclohexane, plus benzene, and plus toluene) at T = (298.15,303.15,313.15,323.15) K

被引：21

作者：

Awwad, Akl M. ^{[1
]}

Abu-Daabes, Malyuba A. ^{[2
]}

机构：

[1] Royal Sci Soc, Ind Chem Ctr, Amman, Jordan

[2] German Jordanian Univ, Amman, Jordan

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2008年 / 40卷 / 04期

关键词：

density; viscosity; N-methylmorpholine; excess molar volumes; viscosity deviation; binary mixtures;

D O I：

10.1016/j.jct.2007.11.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Densities, rho, and viscosities, eta, of binary mixtures (N-methylmorpholine + benzene, + toluene, and + cyclohexane) were measured over the whole mole fraction range at T = (298.15, 303.15, 313.15, 323.15) K. Densities and viscosities were used to compute the excess molar volumes V-E, viscosity deviation Delta eta, and the excess free energies of activation for viscous flow Delta G*(E). These data have been fitted to Redlich-Kister polynomial equation to derive the coefficients and estimate the standard deviation values. A discussion on these quantities in terms of molecular interactions is reported. (C) 2007 Elsevier Ltd. All rights reserved.

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页码：645 / 652

页数：8

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