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Names and Uses of 10 Gases

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Helium gas is used to fill balloons to make them float.

Helium gas is used to fill balloons to make them float.

Pioneer Balloon Company, public domain

A gas is a form of matter that does not have a defined shape or volume. Gases can consists of a single element, such as hydrogen gas (H2), or may be a compound, such as carbon dioxide (CO2), or a mixture of several gases, such as air. Here is a list of 10 gases and their uses.

  1. oxygen (O2) : medical use, welding
  2. nitrogen (N2): fire suppression, provide inert atmosphere
  3. helium (He): balloons, medical equipment 
  4. argon (Ar): welding, provide inert atmosphere for materials
  5. carbon dioxide (CO2): carbonate soft drinks
  6. acetylene (C2H2): welding 
  7. propane (C3H8): fuel for heat, gas grills
  8. butane (C4H10): fuel for lighters and torches
  9. nitrous oxide (N2O): propellant for whipped topping, anesthesia 
  10. freon (various chlorofluorocarbons): coolant for air conditioners, refrigerators, freezers

More About Gases

Gases Study Guide
Properties of Ideal Gases
Noble Gases

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