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Speed Of Ultrasound And Thermodynamic Properties Of 1-Butanol In Binary Liquid Mixtures At 293.15 K

Bebek K.

Molecular and Quantum Acoustics

2005

Vol. 26

7-13

The speeds of ultrasound in and densities of binary solutions of 1-butanol in hexane and cyclohexane were measured on the whole concentration range at 293.15 K. The experimental results in connection with literature data were used to calculate the isothermal compressibility coefficients and isochoric molar heat capacities for the pure components, as well as the excess molar volumes, excess adiabatic compressibilities, free volumes and the free intermolecular lengths for the binaries under test. The dependences of the excess properties on the mixture composition were compared and discussed in terms of the free intermolecular length and other factors affecting the solvation and self-association effects.

Acoustic and Volu,E Effects Of Self-Association Of 3-Methylpyrazole In Cyclohexane

Bebek K., Filosek G., Ernst S.

Molecular and Quantum Acoustics

2004

Vol. 25

23-28

The speeds of ultrasound in and densities of 3-methylopyrazole with cyclohexane mixtures were measured in the whole concetration range at 293.15 and 313.15 K. The Excess molar volumes, free volumes excess volumes and diabatic copressibilty coefficients, as well as the free intermolecular lenghts were determinated for the binaries. The dependance of the excess molar volumes and excess free volumes on the mixture composition were compared and discussed in terms of the free intermolecular lenght and other factors affecting the self-association of 3-methylopyrazole and structural changes of the non-polar solvent. Search Site

Ultrasonic and Volumetric Effects of Self-Association of Aliphatic Alcohols in Cyclohexane

Bebek K.

Molecular and Quantum Acoustics

2003

Vol. 24

17-22

The speed of ulrtasound in and densities of binary solutions of ethanol, propan-2-ol and 2-methylopropan-2-ol in cyclohexane were measured on the whole concentration range at 293.15K. The excess molar volumes, free volumies, excess free volumes and adiabatic cmpressibility coeffcients, as well as the free intermolecular lenghts were determined for binaries. The dependance of the excess molar volumes and excess free volumes on the mixture composition were compared and discussed in terms of the intermolecular lenght and other factors afecting the self-association of alcohols and structural changes od the solvent.