The Triple Point of CO₂ Is at 5

question 75

Multiple Choice

The triple point of CO₂ is at 5.2 atm and -57°C. Under atmospheric conditions present in a typical Boulder, Colorado, laboratory (P = 630 torr, T = 23°C) , solid CO₂ will

• A) remain solid.
• B) melt.
• C) boil.
• D) sublime.