critical pressure = 33.55 atm
triple point = 0.12 atm
Nitrogen has a normal boiling point of 77.3 K and a melting point (at 1 atm) of 63.1 K. Its critical temperature is 126.2 K and critical pressure is 2.55x104 torr. It has a triple point at 63.1 K and 94.0 torr.
Sketch the phase diagram for nitrogen to answer if nitrogen has a stable liquid phase at 1 atm.
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