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Part 2: 17 marks] The diffusion coefficients for silver in copper are given at two temperatures: T(C) D (m/s) 650 5.5 10-16 900 1.3

Part 2: 17 marks] The diffusion coefficients for silver in copper are given at two temperatures: T(C) D (m/s) 650 5.5 10-16 900 1.3 10-13 (a) Determine the values of Do and Qa (b) What is the magnitude of D at 875C?

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