Final answer:
The given reaction 2C6H14 + 19O2 → 12CO2 + 14H2O is an example of a combustion reaction.
Step-by-step explanation:
The given reaction 2C6H14 + 19O2 → 12CO2 + 14H2O is an example of a combustion reaction. Combustion reactions involve the reaction of a substance with oxygen, resulting in the release of heat and the formation of carbon dioxide and water as products. In this reaction, the hydrocarbon C6H14 (hexane) is reacting with oxygen gas (O2) to form carbon dioxide (CO2) and water (H2O).