A cylinder contained 10kgof gas at press...

A cylinder contained `10kg`of gas at pressure `10^(7) N / m^(2)`. The quantity of gas taken out of cylinder if final pressure is `2.5 xx 10^(6) N//m^(2)` is (Assume temperature of gas is constant)

Zero

`7.5 Kg`

`2.5 Kg`

`5 Kg`

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The correct Answer is:

`P prop rho, rho prop m` When temperature and volume are constant `P prop m`

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