Making Liquid CO2: Is It Possible?

[Suraj M]

Is it possible to make or produce liquid CO₂?
I faintly recollect reading something about liquid CO₂
if yes then how exactly??

 

[Quantum Defect]

Is it possible to make or produce liquid CO₂?
I faintly recollect reading something about liquid CO₂
if yes then how exactly??

It needs to be under hihger pressure. Look for a P-T phase diagram for CO2. e.g. http://www.teamonslaught.fsnet.co.uk/co2 phase diagram.GIF

Above a pressure of 5.11 atm, CO2 will have melting & boiling phase transitions as T is increased.

 

[Suraj M]

ohh ok thank you