APFIVE Partial Pressure in a Gas Mixture
A gas mixture at standard temperature and pressure (STP) contains 15.0% CO₂, 25.0% O₂, and 60.0% N₂ by volume. The total pressure of the mixture is increased to 5.00 atm while the temperature is held constant. Which of the following statements is correct?
A
The partial pressure of N₂ remains at 0.60 atm
B
The mole fraction of CO₂ increases to 0.30
C
The partial pressure of O₂ is 1.25 atm
D
The ratio of partial pressures changes with total pressure
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