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|Title:||Ultrasonic studies of isomeric butyl alcohol in aqueous solutions|
Santhi, R Jaya
|Abstract:||Ultrasonic velocity (<i style="">U</i>), density (ρ) and viscosity (η) have been measured of solutions of all the four isomeric butyl alcohol in water at different mole fractions. Acoustical parameters such as adiabatic compressibility (β), Rao constant(<i style="">R</i>), absorption coefficient (α/<i style="">f</i><sup>2</sup>), internal pressure (π<sub>i</sub>), cohesive energy (CE), free volume (<i style="">V</i><sub>f</sub>), intermolecular free length (<i style="">L</i><sub>f</sub>) and molecular interaction parameter with respect to velocity (<img src='/image/spc_char/lembda.gif' border=0><sub>U</sub>) were calculated from the experimental data. The intermolecular attraction between the components depends on the mutual association of similar molecules and their dissociation due to attraction between dissimilar molecules. The strength of the bond depends on the length of the alkyl chain and the branching in the alkyl group. The investigations also indicate that there are strong intermolecular hydrogen bonds between alcohol and water molecules.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.43(03) [March 2005]|
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