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Engineering, 04.07.2021 21:30 cjjohnson1221

Oxygen is diffusing through a staganant layer of methane 5 mm thick. The temperature is 0o C and the
pressure of 1 atmosphere. Calculate the rate of diffusion of oxygen in kilograms per hour through 1 m2
of methane film when the concentration change across the film is 15% to 5% oxygen by volume. The
value of diffusivity may be taken as 0.184 cm2
/s. R = 82.06 cm3
atm/ g mol K.

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