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Chemistry · L4 · Phase diagram: state changes of a pure substance

Phase diagram showing solid, liquid, gas regions, triple point, and critical point of a pure substance.

by @openstemUpdated Chemistry
Gas(high T or low P)Liquid(intermediate T & P)Solid(low T or high P)Triple pointall three phases coexistCritical pointabove: supercritical fluidMelting (fusion) T > T_meltingFreezing T < T_meltingVaporisation / boiling T > T_boilingCondensation T < T_boilingSublimation P below triple pointDepositionT_tp, P_tpT_tp, P_tpT_tp, P_tpT_c, P_cT_c, P_c

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