(a) When a compound containing C, H, and O is completely combusted in air, what reactant besides the hydrocarbon is involved in the reaction?

Key Concepts

Combustion Reaction

A combustion reaction is a chemical process in which a substance reacts rapidly with oxygen, producing heat and light. In the case of hydrocarbons, the primary products are carbon dioxide (CO2) and water (H2O). Understanding this reaction is crucial for identifying the reactants and products involved in the combustion of compounds containing carbon, hydrogen, and oxygen.

Role of Oxygen

Oxygen is a vital reactant in combustion reactions, particularly for organic compounds like hydrocarbons. It combines with the carbon and hydrogen in the fuel to produce carbon dioxide and water. Recognizing the role of oxygen helps clarify the complete combustion process and the stoichiometry involved in the reaction.

Stoichiometry of Combustion

Stoichiometry refers to the quantitative relationship between reactants and products in a chemical reaction. In combustion, it is essential to balance the equation to determine the exact amounts of oxygen required for complete combustion of a hydrocarbon. This concept is fundamental for predicting the reactants and products in combustion scenarios.