The triple point for a substance is the combination of
temperature and pressure at which all three phases (solid, liquid,
and gas) exist in equilibrium. For a certain substance, the
triple point is -24.5 °C and 225 mmHg. What is most likely to
happen when this substance is warmed from -35 °C to 0 °C at a
pressure of 220 mm Hg?
melting, condensation, boiling, sublimation, freezing, deposition