A combustion reaction can be defined as a class of chemical reactions, that named as "burning", that occurs usually when a hydrocarbon reacts with oxygen to produce carbon dioxide (CO₂) and water (H₂O).
So, the correct answer is the choice B, 1.0 mole of propane "hydrocarbon" burned with 5.0 moles of oxygen to produce 3.0 moles of CO₂ and 4.0 moles of H₂O.
