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Internal Pressure Studies of Alcohols on the Basis of Ultrasonic Measurements

Zorębski B.

Molecular and Quantum Acoustics

2005

Vol. 26

317-326

Internal pressure was calculated for some alcohols from experimental data on isothermal compressibility and isobaric coefficient of thermal expansion as well as by using of the mean molecular radius, in most cases from the speed of ultrasound data. The results differ quantitatively as well as qualitatively and suggest, that calculation of internal pressure by using of the mean molecular radius is incorrect (obtained values are unreliable and unacceptable).