1. | \(P_1>P_3>P_2 \) | 2. | \(P_2>P_1>P_3 \) |
3. | \( P_1>P_2>P_3\) | 4. | \(P_3 > P_2>P_1\) |
1. | \(100\%\) | 2. | \(200\%\) |
3. | \(300\%\) | 4. | \(50\%\) |
1. | \(A,B\) and \(E\) only |
2. | \(B,C\) and \(D\) only |
3. | \(A,B\) and \(C\) only |
4. | \(A,C\) and \(D\) only |
A cylinder contains hydrogen gas at a pressure of \(249~\text{kPa}\) and temperature \(27^\circ\text{C}.\) Its density is: (\(R=8.3~\text{J mol}^{-1} \text {K}^{-1}\))
1. \(0.2~\text{kg/m}^{3}\)
2. \(0.1~\text{kg/m}^{3}\)
3. \(0.02~\text{kg/m}^{3}\)
4. \(0.5~\text{kg/m}^{3}\)
1. | mass density, the mass of the gas. |
2. | number density, molar mass. |
3. | mass density, molar mass. |
4. | number density, the mass of the gas. |