A nuclear chemist measures the mass defect of nickel-56 and finds it to be 0.4667 amu. Based on this number, (a) calculate the nuclear binding energy in units of joule and (b) calculate the binding energy per nucleon in units of joule. Show the complete processes and bold the final answers.

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .