Air water and ice can break rocks into tiny fragments which of the following best describes this process? sediment, erosion, weathering or deposition.

What material does not melt at any temperature

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 .

What is the chemical formula for a compound between li and br? libr li2br libr2 libr3