Using equipartition of energy, the specific heat (in J kg - 1 K - 1 ) of Aluminium at high temperature can be estimated to be (atomic weight of Aluminium = 27 )

Step-by-step solution

Solid atom possesses 6 degrees of freedom due to vibrations at high temperature. C v = 1 2 f R = 6 R 2 = 3 R for 1   mole ∴ Specific heat capacity in J   kg - 1   K - 1 = C v M = 3 R M = 3 × 8.314 27 × 1000 ≈ 925