Chapter 5, Problem 65E

Some very effective rocket fuels are composed of lightweightliquids. The fuel composed of dimethylhydrazine ${\text{[(CH}}_{\text{3}}{\text{)}}_{\text{2}}{\text{N}}_{\text{2}}{\text{H}}_{\text{2}}\text{]}$ mixed with dinitrogen tetroxide was usedto power the lunar lander in its missions to the moon.The two components react according to the followingequation:

${{\text{(CH}}_{\text{3}}\text{)}}_{\text{2}}{\text{N}}_{\text{2}}{\text{H}}_{\text{2}}\text{(}l{\text{)+2N}}_{\text{4}}{\text{O}}_{\text{4}}\text{(}l\text{)}\to {\text{3N}}_{\text{2}}\text{(}g{\text{)+4H}}_{\text{2}}\text{O(}g{\text{)+2CO}}_{\text{2}}\text{(}g\text{)}$

If 150 g of dimethylhydrazine reacts with excess dinitrogentetroxide and the product gases are collected at 27°Cin an evacuated 250-L tank, what is the partial pressureof nitrogen gas produced and what is the total pressurein the tank assuming the reaction has 100% yield?