1.

Concentration of hydrogen gas across a 2mm thick palladium sheet differs by 4 kg/m3. Considering steady-state diffusion with diffusion constant 10-10 m2/s, diffusion flux is ______ kg/m2.s:

A. 2 x 1010
B. 2 x 10-10
C. 5 x 10-11
D. 5 x 109
Answer» C.


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