para cada una de las parejas que se dan a continuacion identigique si son isotopos isobaros o isotonos entre si

Which best explains why an iceberg floats?

Will mark brainliest how many electrons can be held in the energy level n = 4?

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 .