what are the uses of the various gasses in air
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Oxygen (O2): medical use, welding. Nitrogen (N2): fire suppression, provides an inert atmosphere. Helium (He): balloons, medical equipment. Argon (Ar): welding, provides an inert atmosphere for materials.
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Propane (C3H8): fuel for heat, gas grills
Butane (C4H10): fuel for lighters and torches
Nitrous oxide (N2O): propellant for whipped topping, anesthesia
Freon (various chlorofluorocarbons): coolant for air conditioners, refrigerators, freezers
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