Critical point & applications

_SLIDE_1_ Phase equilibria Group Presentation Critical point & applications _SLIDE_2_ Explain the critical point and also the reason why critical points vary from material to material. Show some practical applications of the critical properties. Group 2 Phase Equilibrium _SLIDE_3_ Contents What is the Critical Point? The reason why critical point vary from material to material. Practical applications. _SLIDE_4_ What is the Critical Point? T>Tcr단일 상으로 존재압력을 가해도 액화 불가능 액체상과 기체상의 표면이 뚜렷하게 분리되지 않는 특정한 압력과 온도. _SLIDE_5_ The reason why critical points vary from material to material Pc/atm Vc/(cm3mol-1) Tc/K Ar 48.00 75.25 150.72 CO2 72.85 94.0 304.2 C2H4 50.50 124 283.1 Cl2 76.1 124 417.2 H2 12.8 64.99 33.23 O2 50.14 78.0 154.8 H2O 218.3 55.3 647.4 _SLIDE_6_ The reason why critical points vary from material to material The van der Waals equation , 이상기체 방정식의 적용 한계를 극복 실제 기체에 맞게 보정인자 이용 a는 기체분자사이의 힘에 관련되는 값. b는 기체분자의 부피 _SLIDE_7_ The r…
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