LBS 172 - Michigan State University
Brew coffee. Freeze its solid. Pull a vacuum at low T. Ice sublimes to vapor phase. C = critical point ( temperature above which a gas cannot be made to liquefy. Molecules are moving too fast to be forced into contact. AKA Tc for critical temperature. Critical Pressure (Pc) = pressure needed to liquefy gas at Tc. Above Tc, Pc = super critical fluid ................
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