A 100 L Flask Contains 2

question 47

Multiple Choice

A 10.0 L flask contains 2.5 atm of ethane gas and 8.0 atm of oxygen gas at 28°C.The contents of the flask react until the limiting reactant is consumed.What is the pressure of carbon dioxide in the flask after the temperature returns to 28°C?
2C₂H₆(g) + 7O₂(g) → 4CO₂(g) + 6H₂O(g)

• A) 2.5 atm
• B) 4.6 atm
• C) 5.0 atm
• D) 5.5 atm
• E) 10.5 atm

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