Physics · Thermodynamics
An oxygen cylinder of volume 30 liters contains 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheres at a temperature of 27°C. The mass of the oxygen withdrawn from the cylinder is nearly equal to: [Given: R = 10012 J mol-1 K-1, molecular mass of O2 = 32 g/mol, and 1 atm = 1.01 × 105 N/m2]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.156 kg
- 20.116 kg✓
- 30.144 kg
- 40.125 kg
Correct answer
0.116 kg
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