*same problem

Question 3 (20) Ammonia is oxidized to form nitric oxide (for synthesis of HNO3) by the following reaction: 4NH3 + 502 4N0 + 6H2O However, there is also an undesirable reaction; 4NH3 + 6NO 5N2 + 6H2O A stream consisting of 7 kmol/min ammonia and 10 kmol/min oxygen is fed to a reactor. Let $1 denote the extent of the desired reaction and $2 the extent of the second (undesirable) reaction. Label the product stream nnh3, No2, nno, N420, nnz (all in kmol/min). If 60% of the ammonia is converted (desired and undesired reactions) and nno 5nn2, find the following: = 1.The extent of each reaction and the gas composition. (12) 2. The yield of NO. (4) 3. The selectivity of NO with respect to N2. (4)