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In heating copper from 300°C to 750°C, the number of vacancies increases by a factor of...

In heating copper from 300°C to 750°C, the number of vacancies increases by a factor of 3. Estimate the number energy for vacancy formation for copper.

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Answer #1

Let at 300°c > No. of vacanciex are (Nu), at 750c No of vacancies becomes 3(NV) . From the relation : In Nv = lnn - v Whereoor! In ( 3Nv.) = 8.906 Qv Nv Qv = 0.1233 ev / atom Aus

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