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Chemistry, 15.07.2021 14:00 CarlosParker99

A weather ballon is partially filled with helium to allow expansion at high altitudes .at stp. that ballon is filled with enough helium to give a volume of 25L. at an altitude of 30km and -35°C. IT HAS EXPANDED TO 2460L. the increase in volume causes the ballon to burst and a small parachutr returns the instruments

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