Question 1 of 10 Which of the following is the best scientific hypothesis?
A. Do rattlesnakes strike when they think they are in danger?
B. Rattlesnake venom can be used to treat some diseases.
C. Snakes make good house pets.
D. Snakes are longer than lizards.
MIT

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 .