2) A proposed reaction mechanism for nitric oxide, NO, produced in hydrogen fueled jet engines 1s 2 NO(g) N202(g) N202(g) + H2(g) H20(g) +N20(g) N20(g) +H2(g) N2(g) + H20(g) fast slow fast a) Write a balanced equation for the overall chemical reaction (1/2 mark) b) Determine the theoretical rate law. (1 mark) c) Using the blank reaction progress diagram below sketch the energy profile of this exothermic reaction mechanism, labeling the positions of NO. H2,N 02, N2O, H2O, N2. (3 marks) PROGRESS OF REACTION d) The reaction was studied at a given temperature and the initial rate data is given below. Determine the rate law and rate constant with proper units. Is the proposed mechanism given part (a) consistent with these experiments? (1 ½ marks) [NO] (M) 0.10 0.10 0.20 [H2] (M) 0.10 0.20 0.10 Exp Initial Rate (Ms ) 1.23 x 10-3 2.46 × 10-3 4.92 x 10-3
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