the diffusion coefficients for species a in metal b are given at two temperatures:

The diffusion coefficients for species A in metal B are given at two temperatures: T (°c)D (m2/s) 1010 7.88 x 10-17 1260 7.75x 10-16 (a) Determine the value of the activation energy Qd (in J/mol) J/mol (b) Determine the value of Do m2/s (Use scientific notation.) (c) What is the magnitude of D at 1180°C? m2/s (Use scientific notation.)

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