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opposite of helium
i know theres a gas that is way more dense than helium so it sinks rather than floating and when you breathe it in it makes your vioce lower rather than higher its kind of the opposite of helium. does anyone know what this gas is called?
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hahaha i saw that on the tonight show.
its sulphur hexafluoride
Jess<3
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Sulphur Hexafluoride - i think this is the gas your looking for...
Hope it helps :)
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Helium is 6 times more lighter than air (hence makes balloons float). A gas that is 6 times more dense than air (will in effect making it the opposite of Helium) and make your voice deeper is called Sulfur Hexafluoride.
Sulfur Hexafluoride can affect the sound of a person's voice if it is inhaled in small quantities. Sound travels through air at a rate of about 340 m/s. Through Helium this is speeded up dramatically to about 900 m/s but when inhaling Sulfur Hexafluoride the opposite of this occurs and the speed is reduced to about 120 m/s.
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Sulphur Hexafluoride.
It's non-toxic to humans in small quantities, but you can suffocate on it (just like helium) if you aren't careful.
Sometimes it's just called Sulphur Fluoride gas.
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