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Densities at 293.15, 298.15, 303.15, 308.15 and 313.15 K of the binary liquid mixtures made of tert-butyl ethyl ether with either 2-ethoxyethanol, or 2-(2-ethoxy)ethoxyethanol, or 2-[2-(2-ethoxy)ethoxy]ethoxyethanol have been measured over the whole mixture compositions. These data have been used to compute the excess molar volumes ( V E). The excess molar volumes always are negative over the entire range of composition for all the binary mixtures investigated. The changes of V E with variations of the composition and the chain-length of the alkyl groups in the alkoxyethanol molecules are discussed in terms of possible intermolecular interactions. [ABSTRACT FROM AUTHOR]

Densities (p) and relative permittivities (s) of numerous binary mixtures of 2-methoxyethanol (ME) (I)+diethylarnine (DEA) (2) at four temperatures and 2-methoxyethanol (I )+triethylarnine (TEA) (2) at five temperatures, between (291.15 and 313.15) K, are reported. These results are used to calculate excess molar volumes, and deviations in the relative permittivities. The results are fitted to the Redlich-Kister polynomial equation to estimate the binary coefficients and standard errors. Furthermore, the experimental results are used to disclose the nature of binary interactions in the bulk of studied the binary mixtures. [ABSTRACT FROM AUTHOR]