Nitrogen and oxygen

Nitrogen and oxygen react to produce nitric oxide according to the following equation: N; (g) + 02 (5:) —~ 2 NO (g)The equilibrium constant for this reaction is 1.70 x 10’3. Suppose that 0.920 mol N2 and 0.700 mol 0: are mixed in a 3.00-L reaction vessel. What will be the concentrations of N2, 02, and NO when equilibrium is established? (Hint: assume that the amounts of N2 and O; that react are small less than 10% of the starting amounts and check your assumption when you have solved the equation.)

4. A mixture of gases is at equilibrium:2 NOCl (g) » 2 N0 (3) + Cl2(g) AH = 78.38 H (a) Does the equilibrium shift to the le? or to the right when some NO (g) is removed from the reaction mixture? (b) Does the equilibrium shift to the left or to the right when some NOCl (g) is removed from the reaction mixture? (c) [n which direction does the equilibrium shift as the temperature is lowered? (d) In which direction does the equilibrium shift as pressure is applied to the system?

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