The reaction between nitrogen and oxygen to form NO(g) is represented by the che

Question

The reaction between nitrogen and oxygen to form NO(g) is represented by the chemical equation N2(g) + O2 2NO(g) Equilibrium concentrations of the gases at 1500 K are 6.4 Times 10-3 mol/L for N2, 1.7 Times 10-5 mol/L for O2, and 1.1 Times 10-5 mol/L for NO. Calculate the value of Kc at 1500 K from these data. At elevated temperatures, BrF5 establishes the following equilibrium. 2 BrF 5(g) Br2(g) + 5F2(g) The equilibrium concentrations of the gases at 1500 K are 0.0064 mol/L for BrF5, 0.0018 mol/L for Br2, and 0.0090 mol/L for F2. Calculate the value of Kc. At some temperature the reaction PCl3(g) + Cl2(g) PCl5(g) is at equilibrium when the concentrations of PCl3, Cl2, and PCl5 are 10.0, 9.0, and 12.0 mol/L, respectively. Calculate the value of Kc for this reaction at that temperature. For the reaction CO(g) + H2O(g) CO2(g) + H2(g)

Explanation / Answer

25. Kc = [F2]^5[Br2]/[BrF5]^2 Kc = (0.0090)^5(0.0018)/(0.0064)^2 = 2.59 x 10^-9

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