Glossary of Terms - H

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Heptane: A hydrocarbon gas that is an ingredient of natural gas. Heptane molecules each contain seven carbon atoms and sixteen hydrogen atoms.

Hexane: A hydrocarbon gas that is an ingredient of natural gas. Hexane molecules each contain six carbon atoms and fourteen hydrogen atoms.

Hydrocarbon: A compound that contains only hydrogen and carbon atoms. Natural gas is a mixture of hydrocarbons.