Q. 11.22 Answer the following questions based on the P – T phase diagram of :
(a) at 1 atm pressure and temperature is compressed isothermally. Does it go through a liquid phase?
The temperature -60 oC lies to the left of the triple point of water i.e. in the region of solid and vapour phases. Once we start compressing CO2 at this temperature starting from 1 atm pressure it will directly convert into solid without going through the liquid phase.