How much more could a Helium balloon lift in a double atmosphere of pressure. (I dont think double is the right answer but it may be or it may be squared, or it may be a comparison or may be something else.?
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guardian
ANSWERS: 2
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Same lifting capacity. Its the weight (mass) of the gasses not their pressure that makes the difference. Helium is lighter than nitrogen and oxygen in a gas state. It is a matter of displacement, helium displaces X amount of air but is lighter than air thus 'floats'. increased pressures wouldn't change the displacement to mass ratio at least not at such low pressures as 2 atmospheres. Greater - when pressurized to liquids this would change.
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ok then, Thanks for the info, I guess I should have asked my question a little different, how much more can the same size balloon lift in a double atmosphere pressure.(thanks for the previous info
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