geoffreyrulz8963 geoffreyrulz8963 31-01-2024 Chemistry contestada What volume of air (containing 20 % O₂ by volume) will be required to burn completely 10cm³ each of methane and acetylene.CH4+2O₂→CO₂+2H₂O2C₂H₂+5O₂→4CO₂+2H₂O