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A comparative study of PFP and BAB models in predicting the excess thermo-acoustical and its allied properties of liquid ternary mixtures at 298.15 K |
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| Authors: | RK Shukla Atul Kumar Kirti Srivastava Sanjay Gupta Shilpi Yadav |
| Institution: | aDepartment of Chemistry, V.S.S.D.College, Kanpur-208002 (U.P.), India bDepartment of Physics, D.A.V.College, Kanpur (U.P.), India cDepartment of physics Vaisya College of Engineering, Rohtak, Hariyana, India |
| Abstract: | Densities and speed of sound were measured for six binaries and three ternary liquid systems. Excess acoustical and its allied properties like excess internal pressure, excess thermal pressure coefficient, excess pseudo-Gruneisen parameter, excess speed of sound and excess ultrasonic impendence, were evaluated with the help of perspective of two liquid models i.e. Prigogine–Flory–Patterson (PFP) and Bertrand–Acree–Bruchfield (BAB) at 298.15 K over a wide range of composition. The results so obtained from two liquid models are very much comparable and are in good agreement. A molecular interaction study has also been made successfully in the light of these excess acoustical properties. |
| Keywords: | Acoustical impedance Sound velocity Excess thermodynamic properties Ternary mixtures Prigogine–Flory–Patterson (PFP) and Bertrand–Acree–Bruchfield (BAB) |
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