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Excess enthalpies of (a bromochloroalkane + tetrachloromethane or benzene) at the temperature 298.15 K)

✍ Scribed by M. Artal; J. Muñoz Embid; S. Otı́n; I. Velasco

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
335 KB
Volume
27
Category
Article
ISSN
0021-9614

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✦ Synopsis

The excess molar enthalpies H E m [x{BrCH2Cl or BrCH2CH2Cl or BrCH2CH2CH2Cl or BrCH2(CH2)2CH2Cl} + (1x)(CCl4 or C6H6)] have been measured at the temperature 298.15 K. Mixing was endothermic at all mole fractions except for [x{BrCH2Cl or BrCH2CH2CH2Cl or BrCH2(CH2)2CH2Cl} + (1x)C6H6]. The so-called ''proximity effect'' exists between the two halogen atoms of each of the bromochloroalkanes studied. When we compare the influence of the second component of the mixture, it can be concluded that a specific interaction Br-C6H6 or Cl-C6H6 is stronger than Br-CCl4 or Cl-CCl4.

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