P3-15, The gas-phase reaction {N,+ H, - NH, is to be carried out isothermally. The molar feed is 50% H₂ and 50% N₂, at a pressure of 16.4 atm and 227°C. fA=0.5 Construct a complete stoichiometric table. (b) What are Co. d. and e? Calculate the concentrations of ammonia and hydrogen when the conversion of H, is 60%. (Ans: Cµ = 0.1 mol/dm³) Suppose by chance the reaction is elementary with k, = 40 dm³/mol/s. Write the rate of reaction solely as a function of conversion for (1) a flow system and (2) a constant volume batch system, (c)

|For the reaction at 25.0 °C: 2 SO3(g) 2 SO2 (g) + Q, (g) www. K, = 1.4 x 10-25 and G° = 141 kJ/mol At 25.0 °C, the partial pressure of So, = 10.0 atm, that of SO, is 0.00120 atm, and that of 0, is 0.00180 atm. Calculate G (in kJ) for this process. G= G° + RTINQ

One kmol of benzene gas (C6H6) enters a combustion chamber designed to operate at steady state where it is mixed and burned with air. C,Hạ + a (O, +3.76N,)→ BCO, + yH,O+8N, Determine the following: 54. the balanced reaction equation for the theoretical amount of air, if the combustion products include CO2, H20 and N2, only. 55. the balanced reaction equation for 30 percent excess air, if all the hydrogen in the fuel burns to H20, but only 92 percent of the carbon burns to CO2, while the remaining 8 percent burns to CO. There is also some free Oz in the product gases. 56. the air-fuel ratio on a molar basis, in kmol air / kmol fuel (for 30 percent excess air); 57. the air-fuel ratio on a mass basis, in kg air / kg fuel (for 30 percent excess air); 58. the mass flow rate of the air entering the chamber, in kg air / min, if the fuel enters the chamber at a rate of 0.05 kg fuel / min (for 30 percent excess air); 59. the dew point temperature of the combustion products, in °C, when cooled…

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