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Unformatted text preview: 2/26/2012 1 Two bulbs are connected by a straight tube, 0.001 m in diameter and 0.15 m in length. Initially the bulb at end 1 contains N 2 and the bulb at end 2 contains H 2 . The pressure and temperature are maintained constant at 25 o C and 1 atm. After a certain time after allowing diffusion to occur between the two bulbs, the nitrogen content of the gas at end 1 of the tube is 80 mol % and at end 2 is 25 mol %. If the binary diffusion coefficient is 0.784 cm 2 /s, find: a) the rates and directions of mass transfer of H 2 and N 2 in mol/s at this point in time b) the species velocities relative to stationary coordinates, in cm/s, at this point in time 1 Equimolar Counterdiffusion Examples Two bulbs are connected by a straight tube, 0.001 m in diameter and 0.15 m in length. Initially the bulb at end 1 contains N 2 and the bulb at end 2 contains H 2 . The pressure and temperature are maintained constant at 25 o C and 1 atm....
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 Spring '10
 çAKMAK
 Macroeconomics

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