Ammonia gas (A) diffuses through nitrogen gas (B) under steady state conditions with nitrogen non-diffusing. The partial pressure of A at location 1 is 1.5 x 104 Pa and that at location 2 is 5 x 103 Pa. the location 1 and 2 are 15 cm apart. The total pressure is 1.103 x 105 Pa and temperature is 298 K. calculate the flux of diffusion of ammonia. Also calculate flux of diffusion for equimolar counter diffusion assuming that nitrogen is also diffusing. Take diffusivity at prevailing conditions are 2.30 x 10-5 m2/s.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Ammonia gas (A) diffuses through nitrogen gas (B) under steady state
conditions with nitrogen non-diffusing. The partial pressure of A at location 1
is 1.5 x 104 Pa and that at location 2 is 5 x 103 Pa. the location 1 and 2 are 15
cm apart. The total pressure is 1.103 x 105 Pa and temperature is 298 K.
calculate the flux of diffusion of ammonia. Also calculate flux of diffusion for equimolar counter diffusion assuming that nitrogen is also diffusing. Take diffusivity at prevailing conditions are 2.30 x 10-5 m2/s.

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