Column A 1. Athenosphere: Athenosphere 2. Inner Core: Inner Core 3. Lithosphere: Lithosphere 4. Lower Mantle: Lower Mantle 5. Outer Core: Outer Core 6. Upper mantle: Upper mantle Column B a. Very hot, solid iron b. Hottest solid rock c. Hot solid rock d. Cool solid rock (granite or basalt) e. Hot liquid iron f. Hot molten rock

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 .