Write a 1-page essay telling about each of the 3 parts of the atom: the proton, the neutron and the electron. Tell when they were discovered, the scientist(s) responsible for the discovery of each, and what types of experiments were done to make each discovery.

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 .