A balloon filled with helium gas has a volume of 500 ml at, Ask an Expert

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A balloon filled with helium gas has a volume of 500 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm. If the temperature has remained the same, what volume does the gas occupy at this height?

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Category:- Chemistry
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