Question

The atomic weight and density for aluminum are 26.98 g/mol and 2.62 g/cm 3 , respectively. The activation energy (in eV/atom) for vacancy formation
in aluminum, given that the equilibrium number of vacancies at 500∘ C is 7.57×10 23 m −3 , is​

Answer 1

Answer:

number of vacancies at 500°C (773 K) is 7.57 × 1023 m-3. The atomic ... aluminum are, respectively, 26.98 g/mol and 2.62 g/cm3