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The diffusion coefficients for copper diffusing in gold are given at two temperatures (hint: logarithm): T(K) D(m2/s) 1273 9.4 x...

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Question

Chemistry

The diffusion coefficients for copper diffusing in gold aregiven at two temperatures (hint: logarithm):

T(K)D(m2/s)
12739.4 x 10-16
14732.4 x 10-14

(a) Determine the values of D0 andthe activation energy Qd?

(b) What is the magnitude of D at 1100°C?

Answer & Explanation Solved by verified expert
3.9 Ratings (748 Votes)
a The formulae for the temperature dependence of diffusion coefficients for copper diffusing in gold is RT Qd lnD0 lnD R universal gas    See Answer
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