The phase diagram for a substance is depicted to the below; the substance is a solid at room temperature conditions, 1.0 atm and 20°C. You wish to sublimate the solid, what change(s) must you make in order for this to occur?
a) Increase the temperature.
b) Decrease the pressure.
c) Decrease the temperature, then decrease the pressure.
d) Decrease the pressure, then increase the temperature.
e) Increase the temperature, then increase the pressure.
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