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a spherical balloon of 21 cm diameter is to be filled with hydrogen gas at STP, from a cylinder containing the gas at 20 atm and 300 K. If the cylinder can hold 2.82 litres of water, how many balloons can be filled up?

a spherical balloon of 21 cm diameter is to be filled with hydrogen gas at STP, from a cylinder containing the gas at 20 atm and 300 K. If the cylinder can hold 2.82 litres of water, how many balloons can be filled up?

Grade:12th pass

1 Answers

VISHAL GAUTAM
33 Points
10 years ago
11.637 i.e.12 balloons can be filled . For this find the number of moles that are present in the cylinder and moles that can be filled in the balloon. The moles in balloon can be found by taking pressure to be 1 atm as the balloon will be in air.

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