Based on the phase diagram of CO₂ shown in Figure 12.39(b), describe the state changes that occur when the temperature of CO₂ is increased from 190 K to 350 K at a constant pressure of 

(a) 1 atm, 

(b) 5.1 atm, 

(c) 10 atm, and 

(d) 100 atm.

Transcribed Image Text:

Carbon Dioxide Pressure (not to scale) 72.9 atm 5.1 atm 1 atm Triple SOLID point B LIQUID -78.5°C -56.7 °C Temperature (not to scale) (b) 31 °C Critical point A FIGURE 12.39 Phase Diagrams for Other Substances (a) lodine, (b) Carbon dioxide.