Tricia Puts 66 G of Dry Ice (Solid CO₂) into a 2.0-L

question 62

Multiple Choice

Tricia puts 66 g of dry ice (solid CO₂) into a 2.0-L container and seals the top. The dry ice turns to gas at room temperature (20 $\degree$ C) . Find the pressure increase in the 2.0-L container. (One mole of CO₂ has a mass of 44 g and R = 0.0821 L·atm/mol·K. Ignore the initial volume of the dry ice.)

• A) 6.0 atm
• B) 12 atm
• C) 18 atm
• D) 2.0 atm

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