Speeds of sound, isentropic compressibilities, viscosities and excess molar volumes of cyclohexanol+cyclohexane at 303.15 K

Isentropic compressibilities κS, excess isentropic compressibilities κSE, excess molar volumes VE, viscosity deviations Δη and excess Gibbs energy of activation ΔG∗E of viscous flow have been determined from measurements of speeds of sound u, densities ρ and viscosities η of cyclohexanol+cyclohexane binary mixture at 303.15 K and over the whole mole fraction range. The values of κSE and Δη are negative over the entire range of composition but the VE plot is sigmoid with very small magnitude of VE. The experimental speeds of sound in terms of collision factor theory and free length theory and the excess molar volumes in terms of associated solution theory with a Flory equation of state contribution described by Treszczanowicz and Benson [Fluid Phase Equilib. 23 (1985) 117] and Heintz [Ber. Bunsen-Ges. Phys. Chem. 89 (1985) 172] have been analyzed.