The vapor pressure of an unknown solid is given by ln(P/Torr)=22.413−(2211/T), and the vapor pressure of the liquid phase of the same substance is approximately given by ln(P/Torr)=18.352−(1736/T). Determine the enthalpy of vaporization, the enthalpy of sublimation, and the enthalpy of fusion. Then calculate the triple point temperature and pressure

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