Abstract
The vapour pressures of liquid (2-diethylaminoethylamine (2-DEEA)+cyclohexane) mixtures were measured by a static method between (T=273.15 and T=363.15)K at 10K intervals. The excess molar enthalpies HE at 303.15K were also measured. The molar excess Gibbs energies GE were obtained with Barker’s method and fitted to the Redlich–Kister equation. The Wilson equation was also used. Deviations between experimental and predicted GE and HE, by using DISQUAC model, were evaluated. The proximity effect of N atoms produces a decrease of the interactional parameters.
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