What is the combustion ratio for propane to air?

The correct answer, which states that the combustion ratio for propane to air is 1 cubic foot of propane to 24 cubic feet of air, reflects the stoichiometric relationship needed for complete combustion of propane.

In combustion processes, achieving a proper fuel-to-air ratio is essential for ensuring that the fuel burns efficiently and produces minimal emissions. Propane (C3H8) requires a specific amount of oxygen for complete combustion, which is usually derived from air. The ideal combustion ratio indicates how much air is necessary to entirely consume the propane, eliminating the risk of unburned fuel or excess air.

By examining the combustion chemistry, 1 cubic foot of propane indeed requires about 24 cubic feet of air under ideal conditions to provide the appropriate amount of oxygen for complete combustion. This stoichiometric calculation ensures optimal burning conditions, which is critical for safety, efficiency, and performance in applications involving propane fuel.