Please Answer the question fast

A rocket engine, Fig. E1.1, burns a stoichiometric mixture of fuel (liquid hydro- gen) in oxidant (liquid oxygen). The combustion chamber is cylindrical, 75 cm long and 60 cm in diameter, and the combustion process produces 108 kg/s of exhaust gases. If combustion is complete, find the rate of reaction of hydrogen and of oxygen. Complete combustion H2 60 cm 117 108 kg/s az 75 cm Figure E