(Vapour + liquid) equilibrium in (N,N-dimethylacetamide + ethanol + water) at the temperature 313.15 K |
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| Institution: | 1. Center for Optical Materials and Technologies, Belarusian National Technical University, 220013, Belarus, Minsk, 65/17 Nezavisimosti Ave.;2. Glass and Ceramics Technology Department, Belarusian State Technological University, 220006, Belarus, Minsk, 13a Sverdlova St.;3. Vitebsk State Technological University, 210035, Belarus, Vitebsk, 72 Moskovskaya Ave. |
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| Abstract: | Total vapour pressures, measured at the temperature 313.15 K, are reported for the ternary mixture (N,N-dimethylacetamide + ethanol + water), and for binary constituent (N,N-dimethylacetamide + ethanol). The present results are also compared with previously obtained data for (amide + ethanol) binary mixtures, where amide = N-methylformamide, N,N-dimethylformamide, N-methylacetamide, 2-pyrrolidinone, and N-methylpyrrolidinone. We found that excess Gibbs free energy of mixing for binary (amide + ethanol) mixtures varies roughly linearly with the molar volume of amide. |
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