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- Title
Thermo physical and spectroscopic properties of binary liquid mixtures at various temperatures and correlation with the Jouyban–Acree model (propargyl alcohol, ethanoic acid, propanoic acid and butanoic acid).
- Authors
Narasimharao, K.; Ramanjaneyulu, E.; Manukonda, G.S.; Paul Douglas, S.
- Abstract
A thorough investigation into binary mixtures of propargyl alcohol and various carboxylic acids (ethanoic, propanoic and butanoic) was conducted. Measurements of density (ρ), speed of sound (u) and viscosity (η) were meticulously performed across the entire range of mole fractions at temperatures (303.15 K−313.15 K) and atmospheric pressure (0.1 MPa). These data were used to calculate key thermodynamic and transport properties, including excess molar volume, excess isentropic compressibility, deviation in viscosity and excess Gibbs free energy of activation for viscous flow. The partial molar properties and infinite dilution molar partial properties were also determined for each binary system. Trends and behaviours were interpreted within the framework of intermolecular interactions, focusing on complex formation and specific chemical forces. The PFP theory and Jouyban–Acree model were critically applied, with confidence in the findings supported by FTIR studies.
- Subjects
THERMODYNAMICS; GIBBS' free energy; ACETIC acid; VISCOUS flow; PROPIONIC acid; BINARY mixtures
- Publication
Physics & Chemistry of Liquids, 2025, Vol 63, Issue 1, p89
- ISSN
0031-9104
- Publication type
Academic Journal
- DOI
10.1080/00319104.2024.2372557