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PhysicsNEET 2020Ideal gas equation and kinetic interpretation of pressure

Kinetic Theory

A cylinder contains hydrogen gas at a pressure of 249 kPa and temperature 27 °C. Its density is: (R=8.3 J mol−1 K−1R = 8.3\ \mathrm{J\,mol^{-1}\,K^{-1}})

  1. A.0.5 kg/m30.5\ \mathrm{kg/m^3}
  2. B.0.2 kg/m30.2\ \mathrm{kg/m^3}✓
  3. C.0.1 kg/m30.1\ \mathrm{kg/m^3}
  4. D.0.02 kg/m30.02\ \mathrm{kg/m^3}

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