Names and Uses of 10 Gases

A gas is a form of matter that does not have a defined shape or volume. Gases can consist  of a single element, such as hydrogen gas (H2); they  may also be a compound such as carbon dioxide (CO2) or even a mixture of several gases such as air. Example Gases Here is a list of 10 gases and their uses: Oxygen (O2): medical use, weldingNitrogen (N2): fire suppression, provides an inert atmosphereHelium (He): balloons, medical equipment  Argon (Ar): welding, provides an inert atmosphere for materialsCarbon dioxide (CO2): carbonated soft drinksAcetylene (C2H2): welding  Propane (C3H8): fuel for heat, gas grillsButane (C4H10): fuel for lighters and torchesNitrous oxide (N2O): propellant for whipped topping, anesthesia  Freon (various chlorofluorocarbons): coolant for air conditioners, refrigerators, freezers