Viscosities have been measured for binary liquid mixtures of trichloroethylene or tetrachloroethylene with 2-methoxyethanol, 2-ethoxyethanol, and 2-butoxyethanol at 303.15 K and 313.15 K, over the entire composition range. Viscosities were measured with an Ostwald viscometer.
Excess volumes and viscosities of binary liquid mixtures of
tetrachloroethylene with homologous series
of branched alcohols were measured at 303.15 K. The branched
alcohols include 2-propanol, 2-methyl-1-propanol, 3-methyl-1-butanol, 2-butanol, and 2-methyl-2-propanol.
Excess volumes (V
E) were
measured
directly using a dilatometer. Viscosities (η) were measured with
an Ostwald viscometer.
Excess molar volumes (V E ) and speeds of sound (u) of the binary liquid mixtures of N,N-dimethylacetamide (DMA) with chloroethanes and chloroethenes at 303.15 K have been measured over the entire range of compositions. The chloroethanes are 1,2-dichloroethane, 1,1,1-trichloroethane, and 1,1,2,2-tetrachloroethane, and the chloroethenes are trichloroethene and tetrachloroethene. The V E values are positive in mixtures of N,N-dimethylacetamide with 1,2-dichloroethane and tetrachloroethene. The V E values are negative over the whole mole fraction range for N,N-dimethylacetamide with 1,1,1-trichloroethane, 1,1,2,2tetrachloroethane, and trichloroethene. The speed of sound data were used to compute isentropic compressibilities (κ s ) and excess isentropic compressibilities (κ s E ). The κ s E values are positive for the system N,N-dimethylacetamide with 1,2-dichloroethane. For the remaining systems, the κ s E values are negative over the entire range of compositions.
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