if you gently shake a carbon di oxide fire extinguisher you will feel the presence of liquid within the extinguisher.What condition shoud be maintained so that carbon dioxide is in liquid state
Inside the fire extinguisher a high pressure is maintained which makes the gaseous carbon dioxide to liquid and when it comes out of the extinguisher the pressure is reduced to atmospheric pressure and it exist as gas. The appropriate condition for the existence of carbon dioxide as liquid is observed as at a pressure of 5.1 to 72.8 atm and between the temperatures of -56.6 to +31 0C