Question: Equimolar Couner-diffusion Ammonia (A) is diffusing through a straight uniform tube 8 cm long containing N2 (B) at 25C and 1 atm total pressure. The

Equimolar Couner-diffusion

Ammonia (A) is diffusing through a straight uniform tube 8 cm long containing N2 (B) at 25C and 1 atm total pressure. The partial pressure of ammonia at one end of the tube is constant at 85 mmHg and at the other end is 15 mmHg. Both ends of the tube open into large mixed chambers at 1 atm. The diffusivity of ammonia in N, is 0.23 cm2/s at 25C and 1 atm. Starting from Fick's 1st law of diffusion for a binary non-isobaric & non-isothermal gas mixture, calculate the fluxes of A and B

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