Question
A mixture of 60% hydrogen and 40% oxygen is blowing over a pan of water at 1atm pressure. The bulk gas temperature is 30°C and the water temperature is 20°C. The vapor pressure of water at this temperature is 17.53mm Hg. The concentration of moisture in the bulk gas is negligible and the diffusivity values are DO₂-H₂O=0.357cm²/s, DH₂-H₂O=0.972cm²/s at 34°C and DH₂-O₂=0.891cm²/s at 43°C.
What will be the values of the diffusivities (in cm²/s) at the mean gas-film temperature?
What will be the values of the diffusivities (in cm²/s) at the mean gas-film temperature?
Answer: Option A
Answer: (a).0.923,0.267
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Answer: (a).0.923,0.267
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