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Excess molar enthalpies and excess molar volumes of (an alkanol  +  a nitrile compound) atT =  298.15 K andp =  0.1 MPa

โœ Scribed by T.M. Letcher; P.K. Naicker

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
226 KB
Volume
33
Category
Article
ISSN
0021-9614

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โœฆ Synopsis

Excess molar enthalpies and excess molar volumes at T = 298.15 K and p = 0.1 MPa are reported for (methanol, or ethanol, or 1-propanol + 1,4-dicyanobutane, or butanenitrile, or benzonitrile). For all the mixtures investigated in this work the excess molar enthalpy is large and positive. The excess molar enthalpy decreases as the carbon chain number of the alkanol species increases from methanol to propanol. The excess molar volumes are both positive and negative. The Extended Real Associated Solution and the Flory-Benson-Treszczanowicz models were used to represent the data. Both these models describe better the excess molar enthalpy than the excess molar volumes of (an alkanol + a nitrile compound).

๐Ÿ“œ SIMILAR VOLUMES

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The excess molar enthalpies for (butanenitrile + benzene, or methylbenzene, or 1,2-dimethylbenzene, or 1,3-dimethylbenzene, or 1,4-dimethylbenzene, 1,3,5trimethylbenzene, or ethylbenzene) have been determined at T = 298.15 K. The excess molar enthalpies ranged from a minimum of -57 J โ€ข mol -1 for be

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The excess molar enthalpies of (benzonitrile + benzene, or methylbenzene, or 1,2-dimethylbenzene, or 1,3-dimethylbenzene, or 1,4-dimethylbenzene, or 1,3,5trimethylbenzene, or ethylbenzene) have been determined at T = 298.15 K. The excess molar enthalpies range from -10 J โ€ข mol -1 for methylbenzene t

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Excess molar enthalpies H E m and excess molar volumes V E m of (1,3-dimethyl-2imidazolidinone + benzene, or methylbenzene, or 1,2-dimethylbenzene, or 1,3dimethylbenzene, or 1,4-dimethylbenzene, or 1,3,5-trimethylbenzene, or ethylbenzene) over the whole range of compositions have been measured at T