a) 54°C b) 327°C c) 600°C d) 32°C Answer: b Explanation:
View QuestionThe partial pressure of hydrogen in a flask containing 2.016 g of H2 and 96.0 g of O2 is
The partial pressure of hydrogen in a flask containing 2.016 g of \[H_{2}\] and 96.0 g of \[O_{2}\] ...
View QuestionA container contains certain gas of mass ‘m’ of high pressure. Some of the gas has been allowed to escape from the container and after some time the pressure of the gas becomes half and its absolute temperature 2/3 rd. The amount of the gas escaped is
a) 2/3 m b) 1/2 m c) 1/4 m d) 1/6 m Answer: c Explanation: ...
View QuestionThe units of ‘a’ in van der Waals equation of state is
a) atm. litre \[ mol^{-1}\] b) atm. litre\[^{2}mol^{-2}\] c) atm. litre\[^{2}mol^{2}\] d) atm. litre \[mol^{-2}\] Answer: b Explanation: atm. litre\[^{2}mol^{-2}\]
View QuestionHelium atom is two times heavier than a hydrogen molecule at. 298K. The average KE of helium is
a) 2 times of \[H_{2}\] molecule b) same as that of \[H_{2}\] molecule c) 4 times that of hydrogen ...
View QuestionN2O4 is 20 % dissociated at 27°C and 760 torr. The density of the equilibrium mixture is
\[N_{2}O_{4}\] is 20 % dissociated at 27°C and 760 torr. The density of the equilibrium mixture is a) ...
View QuestionThe term that corrects for the attractive forces present in a real gas in the van der Waals equation is
a) nb b) \[\frac{an^{2}}{V^{2}}\] c) \[-\frac{an^{2}}{V^{2}}\] d) -nb Answer: b Explanation: Correction factor for attractive force for n moles ...
View QuestionThe given graph represents the variation of Z (compressibility factor = PV/nRT) versus P, for three real gases A, B and C. Identify the only incorrect statement
The given graph represents the variation of Z\[\left(compressibility factor=\frac{PV}{nRT}\right)\] versus P, for three real gases A, B and ...
View QuestionThe compression factor (compressibility factor) for 1 mole of a van der Waal’s gas at 0°C and 100 atm pressure if found to be 0.5. Assuming that the volume of gas molecules is negligible, calculate the van der Waal’s constant ‘a’.
The compression factor (compressibility factor) for 1 mole of a van der Waal’s gas at 0°C and 100 ...
View QuestionAt constant volume and temperature conditions, the rate of diffusion Da and Db of gases A and B having densities pA and pB are related by the expression
At constant volume and temperature conditions, the rate of diffusion \[D_{A}and D_{B}\] of gases A and B having ...
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