Consider the reaction below.
H2PO4 + H2O → H30+ + HPO42-
Which of the following is a base-conjugate acid pair?
O H2O and H30+
O H20 and H2PO4
H2PO4 and HPO 2-
O H2PO4 and H30+

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 .

How many grams are in 68.2 molecules of br2?

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved