a spherical balloon of 10.5 CM radius is to be filled with hydrogen gas at n.t.p from a cylinder containing the gas at 20 ATM pressure and 27 degree Celsius if the cylinder can hold 2.82 litre of water, calculate the nu of balloons that can be filled up
Answers
Explanation:
Volume of one balloon :
=
3
4
πr
3
=
3
4
×
7
22
×(
2
21
)
3
=4851 cm
3
=4.851 litre
Let n balloons be filled; thus, total volume of hydrogen used in filling balloons
=4.851×n litre
Total volume of hydrogen in the cylinder at NTP,
V=
300×1
20×2.82×273
=51.324 litre
Actual volume of H
2
to be transferred to balloons
=51.324−2.82(2.82 litre retained in the cylinder)
=48.504 litre
No. of balloons filled
′
n
′
=
4.851
48.504
≈10.
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Answer:
CHEMISTRY
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Asked on November 22, 2019 by
Nirupa Oshinsoasis
A spherical balloon of 21 cm diameter is to be filled up with hydrogen at NTP from a cylinder containing the gas at 20 atm and 27
∘
C. The cylinder can hold 2.82 litre of water at NTP. Calculate the number of balloons that can be filled up.
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ANSWER
Volume of one balloon :
=
3
4
πr
3
=
3
4
×
7
22
×(
2
21
)
3
=4851 cm
3
=4.851 litre
Let n balloons be filled; thus, total volume of hydrogen used in filling balloons
=4.851×n litre
Total volume of hydrogen in the cylinder at NTP,
V=
300×1
20×2.82×273
=51.324 litre
Actual volume of H
2
to be transferred to balloons
=51.324−2.82(2.82 litre retained in the cylinder)
=48.504 litre
No. of balloons filled
′
n
′
=
4.851
48.504
≈10.
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