So from Eq.(i) H,used 6 kmol/s O2 used 3 kmol/s and the rate of reaction is 1 0.2121m3 6kmol=2.829×10 mol used (m3 of rocket)·s -r02= 0221m3kmo=1,415x10-mol 1 m3.s Note:Compare these rates with the values given in Figure 1.3. 16 16