Question

Given Values Atomic Radius (nm) = 0.18 FCC Metal = Silver BCC Metal: = Sodium Temperature (c) = 1127 Metal A = Zinc Equilibrium Number of Vacancies (m^-3) = 7.42E + 23 Temperature for Metal A = 247 Metal B = Calcium If the atomic radius of a metal is the value shown above and it has the face-centered cubic crystal structure, calculate the volume of its unit cell in nm^3 Your Answer = What is the atomic packing factor for the BCC crystal structure? Your Answer = Find the theoretical density for the FCC Element shown above in g/cm^3; Your Answer Calculate the atomic radius, in nm, of the BCC Metal above utilizing the density and the atomic weight provided by examination booklet: Your Answer = Calculate the fraction of atom sites the are vacant for copper (Cu) at the temperature provided above. Assume an energy for vacancy formation of 0.09 eV/atom: Your Answer = Repeat the calculation in question 5 at room temperature (25 C): Your Answer = Calculate the number of atoms per cubic meter in Metal B(units atoms/m^3): Your Answer What is the composition, in atom percent, of an alloy that contains a) 36 g Metal A and b) 47 g Metal B? Composition for Metal A (%): Your Answer = What is the composition, in atom percent, of an alloy that contains a) 36 g Metal A and b) 47 g Metal B? Composition for Metal B(%):

Answer 1

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