Directions: Additional information to complete these problems can be found in your Examination Booklet.

--Given Values-- Metal A = Sulfur Equilibrium Number of Vacancies (m^-3) = 4.81E+23 Temperature for Metal A(C) = 369 Metal B = Iron

7) Calculate the energy (in eV/atom) for vacancy formation for the Metal A and the equilibrium number of vacancies at the temperature provided above - Write your answer with 4 significant figures: Your Answer = 8)Calculate the number of atoms per cubic meter in Metal B (units atoms/m). Write your answer with 4 significant figures : Your Answer = 9) 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 = 10) 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 (%): Your Answer 11) What is the composition of Metal A in atom percent, if the alloy consists of 4.5 wt% Metal A and 95.5 wt% of Metal B? Your Answer = 12) What is the composition of Metal B in atom percent, if the alloy consists of 4.5 wt% Metal A and 95.5 wt% of Metal B? Your