Question: Calculate the temperature dependent diffusion coefficient, D, in m2/s of copper in aluminum at -20C. Use D0 = 6.50 10-5 m2/s; Q = 136 kJ/mol;

Calculate the temperature dependent diffusion coefficient, D, in m2/s of copper in aluminum at -20C. Use D0 = 6.50 10-5 m2/s; Q = 136 kJ/mol; R = 8.314 J/(mol K).

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