Densities, Viscosities, and Speeds of Sound of Binary Mixtures of Heptan-1-ol with 1,4-Dioxane at Temperatures from (298.15 to 323.15) K and Atmospheric Pressure

Densities, ρexp, viscosities, ηexp, and speeds of sound, cexp, of pure heptan-1-ol and 1,4-dioxane and their binary mixtures have been measured over the entire range of composition at temperatures from (298.15 to 323.15) K with an interval of 5 K and at the atmospheric pressure. The experimental data have been used to calculate the following: excess molar volumes, VmE, deviation in speeds of sound, Δc, isentropic compressibility, κs, deviation in isentropic compressibility, Δκs, and viscosity deviations, Δη. The values of VmE and Δκs have been found to be positive throughout the composition range and at all temperatures, whereas Δc and Δη were negative. The excess or deviation properties (VmE, Δc, Δκs, or Δη) have been correlated using a Redlich–Kister type equation to obtain their coefficients and standard deviations. The modified Rackett equation has been employed to correlate with the experimental molar volume of the component liquids and the binary mixtures. The measured mixture viscosity data have be...

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