A balloon has a volume of 175 dm3 when filled with H2 gas at a pressure of 1 bar. Calculate the volume of balloon when it rises to a height where atmosphere pressure is 0.8 bar. Assume that temperature is constant.
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Explanation:
v1=175dm³
p1=1bar
v2=?
p2=0.8
according to Boyle's law- p1v1=p2v2
1multi175=0.8multiv2
v2=175/0.8
v2=218.75dm³
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