400
depends on how large the balloon is! ;D
because so many kids have let go of their helium balloons , so the plantes just sucked in the helium from the balloons and that's why most of the plantes are made of helim :)
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lifting gas, balloons and blimpshelium neon lasers"neon" signsinert gas, arc weldingpurge gasrefrigerantlow temperature thermometersalpha particles for acceleratorsreplacement for nitrogen in breathing mixture for deep diving (prevent the bends)carrier gas, chromatographyetc.
10000000 helium balloons
it took 53 12" helium balloons to lift a pound, you have to add the weight of the string and balloons
30
About 0,85
depends on how large the balloon is! ;D
400
because so many kids have let go of their helium balloons , so the plantes just sucked in the helium from the balloons and that's why most of the plantes are made of helim :)
25 Balloons (Approx.)(I might be wrong as I am not sure)
258 helium filled balloons filled to 34 psi each
depends how big the helium balloon is and how many
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1 cubic meter helium lifts 1 Kg weight at sea level.