(a) The vapour pressure of benzene between 10°C and 30°C fits the expression log(p/Torr) = 7.960 – 1780/(T/K). Calculate (a) the enthalpy of vaporization and (b) the normal boiling point of benzene.
(b) The vapour pressure of a liquid between 15°C and 35°C fits the expression log(p/Torr) = 8.750 − 1625/(T/K). Calculate (a) the enthalpy of vaporization and (b) the normal boiling point of the liquid.
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