Ahelium filled balloon is designed to rise to a height of 50 km at which point it will be fully inflated and have the volume of one hundred thousand litres. at that altitude the temperature is -5°c and atmosphere pressure is 1.52 mm. how many litres of helium at ntp will be required to fully inflate the balloon and what will be it's weight
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Ahelium filled balloon is designed to rise to a height of 50 km at which point it will be fully infl...
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