The chemical reaction given is a combustion reaction of octane ([tex]\( C_8H_{18} \)[/tex]), which is a major component of gasoline, with oxygen ([tex]\( O_2 \)[/tex]). The balanced chemical equation for this reaction is:
[tex]\[ 2 C_8H_{18} + 25 O_2 \rightarrow 16 CO_2 + 18 H_2O. \][/tex]
In this reaction, octane ([tex]\( C_8H_{18} \)[/tex]) reacts with oxygen ([tex]\( O_2 \)[/tex]) in a process known as complete combustion. This reaction occurs in the engines of cars, where the fuel (octane) is mixed with air (which provides the oxygen) and ignited. The result of this combustion process is the formation of carbon dioxide ([tex]\( CO_2 \)[/tex]) and water ([tex]\( H_2O \)[/tex]), along with the release of energy. This energy is harnessed to power the engine. The products, carbon dioxide and water vapor, are emitted through the exhaust system of the vehicle. This reaction is an exothermic process, which means it releases heat, making it effective for internal combustion engines.
