A steel cylinder of internal volume 20 litres is filled with hydrogen at 29 atmospheric pressure. If hydrogen is used to fill a balloon at 1.25 atmospheric pressure at the same temperature, what volume will the gas occupy
= 20 litre
P = 29 atm
P1 = 1.25 atm
V1 =?
T = T1
By gas equation PV/T = P1V1/T1
= 29 x 20/T
= 1.25 x V1/T
V1 = 464 litres
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