The critical temperature (Tc) and critical pressure (pc) of CO2 are 30.98∘C and 73atm respectively. Can CO2(g) be liquefied at 32∘C and 80atm pressure?
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Solution
CO2(g) gas cannot be liquefied above 30.98∘C and 73atm pressure.
However, high temperature and high pressure may be applied on CO2 gas hence it cannot be liquefied at 32∘C and 80 atm pressure.