An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheric pressures at temperature 27^{\circ} {\C}. The mass of the oxygen withdrawn from the cylinder is nearly equal to: [Given, R=\frac{100}{12} {\Jmol}^{-1} {\K}^{-1}, and molecular mass of {\O}_2=32,1 atm pressure =1.01 \times 10^5 {\N} \/ {\m} ] [NEET 2025]

Class 11 NEET Physics Thermodynamics and Kinetic Theory

Question : 3 of 109

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An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheric pressures at temperature 27∘C. The mass of the oxygen withdrawn from the cylinder is nearly equal to:

[Given, R=‌

100

Jmol−1K−1, and molecular mass of O2=32,1 atm pressure =1.01×105N∕m ]

[NEET 2025]

0.116 kg
0.156 kg
0.125 kg
0.144 kg

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