A certain form of lead has a cubic closest packed (fcc) structure with an edge length of 492 pm. A) Calculate the value of the atomic radius for lead. Present your result in cm. You must show ALL your work and include units on ALL values to earn partial or full credit. B) Calculate the density of lead. Present your results in in g/cm3. You must show ALL your work and include units on ALL values to earn partial or full credit.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant