What is a key difference between natural gas and propane?

The distinction between natural gas and propane centers on their chemical compositions and how they are categorized. Natural gas is primarily composed of methane (CH₄), which is a hydrocarbon consisting of one carbon atom bonded to four hydrogen atoms. This fundamental structure makes it the primary molecule that defines natural gas.

On the other hand, propane (C₃H₈) is another type of hydrocarbon but has a different molecular structure and properties, as it consists of three carbon atoms bonded to eight hydrogen atoms. This difference in chemical structure is essential when it comes to their combustion characteristics, energy content, and applications.

Understanding this key difference is crucial when dealing with fuel gas systems, as it influences factors such as energy efficiency, storage, and transport. For instance, natural gas is often transported via pipelines due to its gaseous state at atmospheric pressure, while propane can be stored as a liquid under pressure, allowing for more convenient handling in many applications.