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A 10L cylinder has helium at 8 atm and 3...

A 10L cylinder has helium at 8 atm and `32^@C`. How many balloons of 2L each at 2atm and `32^@C` can be filled with the gas available from the cylinder.

Text Solution

Verified by Experts

The PV of balloon ` = 2 xx 2 = 4` lit-atm
Gas from the cylinder is available to fill in the balloons, until pressure of gas in cylinder drops from 8 atm to 2 atm.
The PV of helium available ` = 10 xx (8-2) = 60` lit-atm
Number of balloons filled ` = ("PV of the gas available")/("PV of the balloon")= (60)/(4) = 15`
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