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Effusion

Q. The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 63 s for the gas to effuse, whereas nitrogen gas required 48 s. The molar mass of the gas is

Solved • Nov 9, 2019

Effusion

Q. If nitrogen gas has a density of 1.14 g/L, and an unknown gas has a density of 5.01 at the same temperature and pressure, what is the ratio of the rate of effusion of the known gas to the rate of effusion of nitrogen?

Solved • Nov 7, 2019

Effusion

Q. HCl and NH3 react to form a white solid, NH4Cl. If cotton plugs saturated with aqueous solutions of each are placed at the ends of a glass tube 60.0 cm long, calculate the distance from the HCl end that the white solid will form.

Solved • Nov 6, 2019

Effusion

Q. A 3.0-L sample of helium was placed in a container fitted with a porous membrane. Half of the helium effused through the membrane in 24 hours. A 3.0-L sample of oxygen was placed in an identical container. How many hours will it take for half of the oxygen to effuse through the membrane?

Solved • Nov 6, 2019

Effusion

Q. It took 4.0 minutes for 1.0 L of fluorine to effuse through a porous barrier. How long will it take for 1.0 L of Ar gas to effuse under identical conditions?

Solved • Oct 29, 2019

Effusion

Q. A sample of an unknown gas effuses in 10.6 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.42 min. What is the molar mass of the unknown gas?

Solved • Oct 6, 2019

Effusion

Q. a vessel will be used to store radon gas. so to find how fast it would leak, nitrogen gas was placed in the vessel. After 48 hours, a certain amount of nitrogen leaked out. How long would it take for the same amount of rado to leak from this vessel?

Solved • Oct 3, 2019