Exercise III on Finding Total Pressure

When 1 mole of methane gas (CH4) is burned at 450°C in the presence of
3 moles of oxygen gas (O2), carbon dioxide gas (CO2) and water vapors (H2O) are produced.
Assuming that all the methane is consumed in this process, calculate the following:
  1. What are the mole fractions of oxygen, carbon dioxide and water vapors in this case?
  2. If the total pressure of the mixture of gases is 2.5 atm.,
    calculate thepartial pressures of oxygen, carbon dioxide and water vapors.
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Date of last modification: 2022