Alkanes are a class of hydrocarbons consisting entirely of single bonds between carbon and hydrogen atoms. They have the general formula $C_nH_{2n+2}$.
Isomerism: A phenomenon where compounds with the same chemical formula have different structural arrangements.
Hydrocarbons: Organic compounds consisting entirely of hydrogen and carbon atoms.
Combustion: A chemical reaction that occurs when a substance reacts with oxygen to produce heat and light.