Chemical Engineering > GATE 2024 > Diffusion
Sulfur dioxide (SO2) gas diffuses through a stagnant air-film of thickness 2 mm at
1 bar and 30 ℃. The diffusion coefficient of SO2 in air is 1 × 10−5 m2 s−1.
The SO2 partial pressures at the opposite sides of the film are 0.15 bar and 0.05 bar.
The universal gas constant is 8.314 J mol−1 K−1.
Assuming ideal gas behavior, the steady-state flux of SO2 in mol m−2 s−1
through the air-film is ______
Correct : b
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