A.The activation energy for copper diffusing in aluminum is higher than for copp

Question

A.The activation energy for copper diffusing in aluminum is higher than for copper diffusing in nickel.

B.The activation energy for copper diffusing in nickel is higher than for copper diffusing in aluminum.

C.The activation energies for copper diffusing in aluminum and for copper diffusing in nickel are the same.

PART B

Based on these activation energies, for which one will the diffusion rate increase faster with temperature?

A.The diffusion rate for copper diffusing in aluminum will increase faster with temperature than for copper diffusing in nickel. B.The diffusion rate for copper diffusing in nickel will increase faster with temperature than for copper diffusing in aluminum.

C. The diffusion rates for copper diffusing in aluminum and for copper diffusing in nickel will increase with temperature at the same rate.

Explanation / Answer

The diffusion of nickel into copper and copper

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