Pressure–temperature phase diagrams
● sublimation, ● vaporisation, ● melting, ● p = 1 atm. Compare water (melting line leans left) with CO₂ (leans right); the y axis is lg(p/bar).
● sublimation, ● vaporisation, ● melting, ● p = 1 atm. Compare water (melting line leans left) with CO₂ (leans right); the y axis is lg(p/bar).