Chemistry, 30.03.2020 15:58, katiebreon6193

Nitrogen from a gaseous phase is to be diffused into pure iron at 700°C. If the surface concentration is maintained at 0.1 wt% N, what will be the concentration 1 mm from the surface after 25h? The diffusion coefficient for nitrogen in iron at 700°C is 2.5 x 10-11 m2 /s.

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Nitrogen from a gaseous phase is to be diffused into pure iron at 700°C. If the surface concentratio...