Hydrazine, N2H4, a substance used as rocket fuel, reacts with oxygen as follows: N2H4(l) + 302(g) → 2NO2(g) + 2H2O(g) a. How many moles of oxygen are needed to react with 165 grams of Hydrazine? c. How many grams of oxygen are needed to reacts with 165 grams of hydrazine?