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Density, Viscosity, Refractive Index, Speed of Sound, Molar Volume, Isobaric Thermal Compressibility, Excess Gibbs Activation for Fluid Flow, and Isentropic Compressibility of Binary Mixtures of Methanol with Anisole and with Toluene at 298.15 K and 0.1 MPa
- Source :
- Liquids, Vol 4, Iss 2, Pp 402-414 (2024)
- Publication Year :
- 2024
- Publisher :
- MDPI AG, 2024.
-
Abstract
- Density, viscosity, refractive index, and ultrasonic velocity were measured for the pure materials anisole, methanol, and toluene, and for the binary mixtures: methanol—anisole and methanol—toluene. Excess molar volume VE, isobaric thermal compressibility α, excess Gibbs activation energy for fluid flow ΔGE*, and excess isentropic compressibility κSE were calculated from the measured quantities. For both binary mixtures VE and κSE were Δn > 0 and ΔGE* > 0 over the entire mole fraction composition range. Anisole mixtures exhibited more negative values for VE and κSE while more positive values were displayed for Δn and ΔGE* compared to toluene mixtures. For Δη, negative values were observed at low alcohol concentrations but positive values at high alcohol concentrations for both systems.
Details
- Language :
- English
- ISSN :
- 26738015
- Volume :
- 4
- Issue :
- 2
- Database :
- Directory of Open Access Journals
- Journal :
- Liquids
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.0e8d94169b164282bafddef9b0754e17
- Document Type :
- article
- Full Text :
- https://doi.org/10.3390/liquids4020021