excess molar volume
Derived thermodynamic properties of binary mixtures of m-Xylene, o-Xylene, and p-Xylene, with N,N-Dimethylformamide at T = (293.15, 303.15, 313.15 and 323.15) K
... Excess molar volume were found to be both positive and negative for the binary system between N,N- dimethylformamide and o-xylene, figure ...2(b-c), excess molar volumes are ...a ...
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MEASUREMENT AND PREDICTION OF FUEL OXYGENATES MIXTURES EXCESS THERMOPHYSICAL PROPERTIES - A REVIEW
... The excess properties data are very important for process design and separation, especially in chemical ...The excess thermophysical properties reviewed are excess molar volume, ...
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Excess parameters of binary liquid mixtures of ethyl benzoate with o xylene, p xylene and o chlorotoulene at different temperatures
... Densities, ultrasonic velocities and viscosities of binary liquid mixtures of ethyl benzoate with o-xylene(OX), p- xylene(PX) and o-chlorotoulene(OCT) have been measured at 303.15K, 308.15K, 313.15K and 318.15K ...
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Density, Excess Molar Volumes of Water-Ethanol Binary Mixtures at Various Temperatures
... Densities, Excess molar volume of pure water, ethanol and in water-ethanol binary mixtures is measured at temperatures from ...and excess molar volume is found to be ...
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Speed of Sound in Binary Mixtures Containing Stearates and Nitrobenzene
... The chemicals used were of analytical grade and obtained from E.Merck company. Thermostatically controlled well- stirred water bath whose temperature was maintained to ±0.01 K accuracy was used for all the measurements. ...
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Modeling of Excess Molar Volumes of [Difurylmethane + (Acetonitrile or Propionitrile or Benzonitrile)] Binary Mixtures Using the Prigogine – Flory – Patterson Theory
... experimental excess molar volume data for {difuryl methane + (acetonitrile or benzonitrile or propionitrile)} binary mixtures as a function of composition at T = ...experimental excess ...
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Ultrasonic and volumetric study of aqueous solution of ethylene glycol, propylene glycol in iso propanol
... of excess molar volume for the mixtures of iso-propanol + aqueous ethylene glycol/propylene ...These excess values are negative over the entire composition range of ...
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Density, Dynamic Viscosity and Derived Properties of Binary Mixtures of Methanol, Ethanol, n-Propanol, and n-Butanol with Pyridine at T = (293.15, 303.15, 313.15 and 323.15) K
... of Excess molar volume (V E ) against mole fraction for the system (a) Pyridine (1) + Methanol (2) (b) Pyridine (1) + Ethanol (2) (c) Pyridine (1) + n-Propanol (2) (d) Pyridine (1) + n-Butanol (2) at ...
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Ultrasonic Studies of Molecular Interactions in Binary Liquid Mixture of Dibutylamine with Ethanol
... and molar valume were calculated. Some other excess parameters like excess adiabatic compressibility,excess viscosity,excess molar volume and excess intermolecular ...
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Evaluating the Effect of Different Mixing Rules on Thermodynamic Properties in Different Mixtures
... these five mixing rules on the accuracies of predicted thermodynamic properties, including density, excess molar volume, and vapor pressure of several binary mixtures. We have selected wide varieties ...
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“EXCESS PROPERTIES OF BINARY MIXTURES OF ETHANOLAMINE WITH WATER AT DIFFERENT HIGHER TEMPERATURES”
... for excess molar volume (V E ) and positive deviation were observed for viscosity deviation () and positive values of excess energy of activation for viscous flow (G ...
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Thermodynamic Study of Binary Liquid Mixtures of Xylene and 1,2-dichloroethane at T = 303.15 K
... and excess molar volume, ...of excess molar volume (Table 3) imply that there are attractive specific chemical interaction between the ...
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Ultrasonic Study of Excess thermoacoustic Parameters in Binary Mixtures of Propylene Glycol and Hexanol
... of excess free length, excess isentropic compressibility and excess enthalpy are found to be negative and the excess molar volume values changed from negative to positive for all ...
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Thyroid Hormone Levels and Its Relationship with Human Chorionic Gonadotropin in Patients with Hydatidiform Mole
... Lindhome and flan [32] from Sweden have reported on 75 patients with complete mole and 60 with partial moles. In the complete mole group the mean gestational age at the time of sonography was 12.4 weeks which is near to ...
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Electroanalysis of neutral precursors in protic ionic liquids and synthesis of high ionicity ionic liquids
... that excess acid in the PILs should also be reduced at this ...of excess acid in the PILs was responsible for the appearance of the peak in some of the voltammograms, those liquids that exhibited the peak ...
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Group contribution method for evaluation of volumetric properties of ionic liquids using experimental data recommended by mathematical gnostics
... In this work, we mainly focus on the evaluation of high- pressure density (volume) properties by only collecting the references reporting the high-pressure experimental data. Therefore, we compared our method with ...
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Phase equilibria and thermodynamic description of solid dispersions of 8-hydroxyquinoline – 4-chlorobenzoic acid drug system
... of excess thermodynamic functions are given in Table ...the excess free energy is a measure of the departure of the system from ideal ...reported excess thermodynamic data substantiate the earlier ...
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Thermo – Acoustical Studies on Interionic Interactions of Some α-Amino Acids in Aqueous Sucrose Solution at Varying Mass Percentages.
... enhanced volume as some electrostricted water molecules return to the bulk water with a higher volume contribution then electrostricted water molecules; whereas, overlap of hydration co-spheres of ...
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Excess Molar Quantities of Binary Mixture of Dipropyl Amine with Aliphatic Alcohols at 298.15 K
... and excess molar Gibbs free energy for binary liquid mixtures fall in the order: 1-octanol >1-heptanol >1-hexanol >1-pentanol >ter-pentyl alcohol by Brocos et ...
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Solute – solvent and solute – solute interactions of tetrabutylammonium iodidee in dimethylsulphoxide – acetone systems at different temperatures
... are presented in Table 2. The values of A- and B- coefficients are given in Table 3 and the calculated values of free volume, internal pressure and relaxation time in Table 4. It is clear from the Table 1 that the ...
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