Question: Ammonia gas (NH3) and nitrogen gas (N2) are diffusing in counter diffusion through a straight glass tube 0.610 m long with an inside diameter of

Ammonia gas (NH3) and nitrogen gas (N2) are diffusing in counter diffusion through a straight glass tube 0.610 m long with an inside diameter of 24.4 mm at 298 K and101.3 kPa. Both ends of the tube are connected to large mixed chambers at 101.3 kPa. Thepartial pressure of NH3 is constant at 20.0 kPa in one chamber and at 6.67 kPa in the other.The diffusivity at 298 K and 101.32 kPa is 0.23 cm2/s.

4.1. Calculate the diffusion rate of NH3 in kg mol/s.

4.2. Calculate the partial pressure of NH3 at the middle of the tube (a point at 0.305 m fromeach edge of the tube).

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