Question: please answer both questions Part B: Copper has a FCC structure and an energy for vacancy formation of 0.9 eV/atom. a- Calculate the number (amount)

please answer both questions

Part B: Copper has a FCC structure and an energy for vacancy formation of 0.9 eV/atom. a- Calculate the number (amount) of vacancies per unit cell for copper at 600C b- Calculate the vacancy concentration close to Cu melting temperature of 1050C

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