41. Two gases A and B having the same temperature T, same pressure P and same volume V are mixed. If the mixture is at the same temperature T and occupied a volume V, the pressure of the mixture is
42. The density of nitrogen is maximum at
43. The temperature at which real gases obey the ideal gas laws over a wide range of pressure is called
A. Critical temperature
B. Inversion of temperature
C. Boyle’s temperature
D. Reduced Temperature
Answer : Option C
44. Which of the fallowing gases with have the highest rate of diffusion
45. At a given temperature Qx= 39y and My= 2Mx where Q and M stand for density and molarmass respectively the ratio of Pressures px/py would be
46. The density of methane at 2.0 atmosphere pressure at \(27^{\circ}C\) is
A. 0.13 \(gl^{-1}\)
B. 0.26 \(gl^{-1}\)
C. 1.30 \(gl^{-1}\)
D. 26.0 \(gl^{-1}\)
Answer : Option C
47. The diffusion of methane at a given temperature is twice that of gas x. The molecular weight and the gas is
A. 64.0 \(SO_{2}\)
B. 32.0 \(O_{2}\)
C. 4.0 \(He\)
D. 30.0 \(C_{2}H_{6}\)
Answer : Option A
48. The compressibility factor of an ideal gas is (AIIMS - 1997, IIT91997)
49. As temperature is raise from \(20^{\circ}C\) to \(40^{\circ}C\), the average kinetic energy of neon atoms changes by a factor of which of the following ?
50. If \(V_{rms}\) is \(30R^{\frac{1}{2}}\) at \(27^{\circ}C\) calculate the molar mass of the gas in kilogram (DPMT 2005)