The results of excess molar volumes for the ternary mixture N, N-dimethylformamide Ž . 4 Ž . Ž DMF q ethanol q water , and for the binary constituents DMF q water , DMF q . Ž . ethanol , and ethanol q water at T s 298.15 K were reported. Several empirical expressions were used to predict and correla
Excess volumes of binary mixtures containing polyhaloalkanes at the temperatureT=298.15 K
✍ Scribed by J. Boquera; M. Artal; I. Velasco; S. Otın
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 140 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-9614
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✦ Synopsis
Excess molar volumes V of xBr CH q 1 y x BrCH Cl, or BrCCl , or FCl CCF Cl , m 2 2 2 3 2 2 Ä Ž . Ž . 4Ä Ž . 4 or xBrCH Cl q 1 y x BrCCl or FCl CCF Cl , xBrCCl q 1 y x FCl CCF Cl , and 2 3 2 2 3 2 2 Ä Ž . Ž . 4 x Cl CF q 1 y x BrCCl , or FCl CCF Cl have been determined from density 3 3 2 2 measurements at the temperature 298.15 K and atmospheric pressure using a vibrating-tube densimeter. The excess molar volumes V E for these mixtures are positive except for m Ä Ž . 4 x BrCCl q 1 y x Cl CF .
📜 SIMILAR VOLUMES
The variation in excess thermodynamic properties such as molar volume, viscosity, dielectric constant, Gibbs energy of activation of flow, and surface tension have been determined for Ä Ž . Ž . 4 Ä ethylene carbonate EC q dimethyl carbonate DMC and propylene carbonate Ž . Ž .4 PC q dimethyl carbona
The excess volumes \(V^{E}\) of \{dibutylamine + diethyl ether or dipropyl ether or di-1-methylethyl ether or dibutyl ether or 1,1-dimethylethyl methyl ether or 1,1-dimethylpropyl methyl ether or tetrahydrofuran or tetrahydropyran or 1,4-dioxane have been measured over the whole composition range at
## Excess volumes have been measured by means of a continuous-dilution dilatometer for or C6H5C2H5 or C6H5CH:CH2}] at the temperature 298.15 K. Values of V E m are negative over the entire range of composition for all mixtures. =V E m (minimum)= and =V E m (x=0.5)= values of this series decrease i