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Title: FUNDAMENTALS OF NATURAL GAS CHEMISTRY
Author: Steve Whitman
Source: 2018 American School of Gas Measurement Technology
Year Published: 2018
Abstract: In order to understand the chemistry of natural gas, it is important to be familiar with some basic concepts of general chemistry. Here are some definitions you should know: Matter - anything that has mass and occupies space. Energy - the capacity to do work or transfer heat. Elements - substances that cannot be decomposed into simpler substances by chemical changes. There are approximately 112 known elements. Examples: carbon, oxygen, and nitrogen. Atom - the smallest unit in which an element can exist. Atoms are composed of electrons, protons, and neutrons. Compounds - pure substances consisting of two or more different elements in a fixed ratio. Examples: water and methane. Molecule - the smallest unit in which a compound can exist or the normal form in which an element exists. Example: One molecule of water consists of two hydrogen atoms and one oxygen atom. One molecule of nitrogen consists of two atoms of nitrogen. Mixture - combination of two or more pure substances in which each substance maintains its own composition and properties. Examples: natural gas, gasoline, and air.

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