In a Demonstration of the Complete Combustion of Propane (C₃H₈)

question 1

Multiple Choice

In a demonstration of the complete combustion of propane (C₃H₈) with oxygen (O₂) , several balloons were prepared with various proportions by volume of propane and oxygen. The loudest explosion occurred for the balloon with the correct stoichiometric proportions of the gases. Which balloon had the loudest explosion? Note that the number of molecules of a gas is proportional to the volume of the gas at a given pressure and temperature.

• A)1 portion propane to 1 portion oxygen
• B)1 portion propane to 3 portions oxygen
• C)1 portion propane to 4 portions oxygen
• D)1 portion propane to 5 portions oxygen
• E)2 portions propane to 3 portions oxygen

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