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Question: without referring to the actual data can you predict whether...

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Without referring to the actual data, can you predict whether the activation energy for diffusion of carbon in FCC iron will be higher or lower than that in BCC iron? Explain. 1. 2. The diffusion coefficient for O2 in Cr2O, is 4 x10-15 cm/s at 1150°C and 6 x10-11 cm-/s at 1715°C. Calculate (a) the activation energy and (b) the constant Do.

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