Densities, viscosities, and the speed of sound of binary mixtures of methylbenzene with heptan-1-ol, octan-1-ol,
and decan-1-ol have been measured over the entire range of composition, at (303.15 and 313.15) K and at
atmospheric pressure (p = 0.1 MPa). The excess molar volumes (V
E), deviations in viscosity (Δη), and excess
isentropic compressibility κE
s have been calculated from the experimental values of density, viscosity, and ultrasonic
velocity. The excess molar volumes and excess isentropic compressibility are positive for all three binaries studied
over the whole composition, whereas deviations in viscosities are negative for all three binary mixtures. The
excess molar volumes, deviations in viscosity, and excess isentropic compressibility have been fitted to the Redlich−Kister polynomial equation. The recently proposed Jouyban−Acree model is used to correlate the experimental
values of density, viscosity, and ultrasonic velocity at different temperatures.
Densities and sound speeds for (methanol + 1-acetoxybutane) and (methanol + 1,1-dimethylethyl ester) have been measured over the entire range of compositions, at temperatures of (298.15, 303.15, 308.15, and 313.15) K and at atmospheric pressure of about 0.1 MPa. From the experimental values of density and ultrasonic velocity, the excess molar volumes V
E and deviations in isentropic compressibility Δκ
s
have been calculated. The V
E and Δκ
s
are negative for both the binaries studied over the whole composition. FT-IR studies of these mixtures are also carried out at T = 298.15 K.
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