Determination of the vapour pressures of o-, m-, and p-dinitrobenzene by the torsion-effusion method |
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Authors: | D Ferro V Piacente R Gigli G DAscenzo |
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Institution: | Istituto di Chimica Fisica, Università di Roma, Rome, Italy |
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Abstract: | The vaporization of o-, m-, and p-dinitrobenzenes was investigated by means of the torsion-effusion method and the selected equations for vapour pressure p as a function of temperature T are: The sublimation enthalpies ΔHo(o-, 298.15 K) = (21.0 ± 0.5) kcalth mol?1, ΔHo(m-, 298.15 K) = (20.8 ± 0.2) kcalth mol?1, and ΔHo(p-, 298.15 K) = (23.0 ± 0.6) kcalth mol?1, are also derived by means of the second- and third-law treatments of the results. |
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