In: Chemistry
(Struc&prop of Mat)
If homogeneous nucleation occurs at 900°C in copper (Tmp=1085°C)
a. Calculate the critical radius size given that the latent heat of fusion is –1.77 × 109 J/m3 and surface free energy is 0.200 J/m2 .
b. Knowing copper has an fcc structure with lattice constant of 0.3597 nm, estimate the number of atoms in the nucleus