Physical Chemistry Real gases CO p/MPa 35 120011001000900 A Supercriticalfluid 800 700 Supercritical 500 CO, is used lid commercially as a solvent to decaffeinate liquid 200 colee =7.38MPa gas 0.518MaB 60-40-20020406080100 56.6C tc=31.06℃ tSupercritical fluid -60 -40 -20 0 20 40 60 80 100 B 5 10 15 20 25 30 35 -56.6℃ tc=31.06℃ t/℃ o C gas liquid solid 100 200 300 400 500 600 700 800 p/MPa 1200 1100 1000 900 P c=7.38MPa A 0.518MPa Supercritical CO2 is used commercially as a solvent to decaffeinate coffee. Physical Chemistry Real Gases CO2