Hydrazine, N2H4, a substance used as rocket fuel, reacts with oxygen as follows: N2H4(l) + 02(g) → NO2(g) + H2O(g) a. balance the equation. b. 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?