Year: 2020 September
Topic: Kinetic Theory
Time :
1. A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C.Its density is (\(R = 8.3 J mol^{ −1} K^{−1}\) )
(1). \(0.2\, kg/m^3\)
(2). \( 0.1\, kg/m^3\)
(3). \( 0.02 \, kg/m^3\)
(4). \(0.5 \, kg/m^3\)