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1. |
Consider the following data for copper:Energy for vacancy formation is 0.9 eV/atomAtom weight is 63.5 g/molDensity is 8.4 g/cm3 at 1000°CThe equilibrium number of vacancies per cubic meter at 1000°C will be |
A. | 3.2 × 1020 |
B. | 3.2 × 1025 |
C. | 2.2 × 1020 |
D. | 2.2 × 1025 |
Answer» E. | |