The Triple Point of CO₂ Is at 5

question 21

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)boil
• C)melt
• D)sublime
• E)none of these

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