2000
DOI: 10.1590/s0100-46702000000100004
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Abstract: Para misturas nas quais existem interações entre moléculas diferentes aparece um parâmetro energético de interação ajustável na relação das variáveis. As grandezas termodinâmicas de excesso dão informação qualitativa dos possíveis tipos de interação. Duas grandezas importantes neste sentido são o volume de excesso e a entalpia de excesso. Neste artigo se estudam diferentes métodos, regressão com mínimos quadrados e por minimização do valor absoluto e relativo dos resíduos, para determinar a possibilidade de ap… Show more

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Cited by 5 publications
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“…known from the literature [1][2][3][4][5]. The molar excess volumes, V E m [7][8][9][10][11][12][13][14][15][16][17] and molar excess enthalpies, H E m [18,19] for (alkan-1-ol + acetonitrile) systems were presented previously. The molar excess volumes, V E m for [alkan-1-ol (methanol, ethanol, propan-1-ol) + benzonitrile] are all relatively small and negative (lower than 0.4 cm 3 mol −1 ) indicating small structural effects, are not symmetric and have minima occurring near x(alkan-1-ol) = 0.6 [20].…”
Section: Introductionmentioning
confidence: 99%
“…known from the literature [1][2][3][4][5]. The molar excess volumes, V E m [7][8][9][10][11][12][13][14][15][16][17] and molar excess enthalpies, H E m [18,19] for (alkan-1-ol + acetonitrile) systems were presented previously. The molar excess volumes, V E m for [alkan-1-ol (methanol, ethanol, propan-1-ol) + benzonitrile] are all relatively small and negative (lower than 0.4 cm 3 mol −1 ) indicating small structural effects, are not symmetric and have minima occurring near x(alkan-1-ol) = 0.6 [20].…”
Section: Introductionmentioning
confidence: 99%