Consult the phase diagram of CO2 in figure 9.14. What phase or phases are presen

Question

Consult the phase diagram of CO2 in figure 9.14. What phase or phases are present under these conditions : (a) T=-70 degrees clesius and P=1.0 atm (b) T=-40 degree celsius and P=15.5 atm (c) T=-80 degrees celsius and P= 4.7 atm

A The liquidh ne of the TealUI arme vapor pressie e for water occurs at own for water in Figure ture umHg and 7-001 ··Uwn for water in F Normal Normal eezingintboling poin 760 Solid/liquid curve Solid area Liquid area Gas area Solid/gas 4.58 Triple point 100 0 0.01 Temperature (C) am for water. Temperature and pressure scales are nonlinear

Explanation / Answer

Consult the phase diagram of CO2 in figure 9.14. What phase or phases are present under these conditions :

(a) T=-70 degrees clesius and P=1.0 atm = solid phase

(b) T=-40 degree celsius and P=15.5 atm = solid phase

(c) T=-80 degrees celsius and P= 4.7 atm = solid phase

In all these cases it is in the form of Solid.

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