Calculate the number of vacancies per cubic meter in some metal at 631°C. The energy for vacancy formation is 0.89 eV/atom, while the density and atomic weight for this metal are 4.89 g/cm3 (at 631°C) and 63.52 g/mol, respectively.
Calculate the energy (in eV/atom) for vacancy formation in some metal, M, given that the equilibrium number of vacancies at 327oC is 4.49 × 1023 m-3. The density and atomic weight (at 327°C) for this metal are 19.3 g/cm3 and 40.50 g/mol, respectively.
Calculate the number of atoms per cubic meter in aluminum. The density and atomic weight of aluminum are 2.70 g/cm3 and 26.98 g/mol respectively. The value of Avogadro’s number is 6.02 x 1023 atoms/mol.