Gen Chem questions

[the prodogy]

1-For the reaction N2(g) + O2(g) <===> 2NO(g), the equilibrium constant is K1. The equilibrium constant is K2 for the reaction 2NO(g) + O2(g) <===> 2NO2(g), What is K for this reaction?

NO2(g) <===> (1/2) N2(g) + O2(g)

a.[1/K1K2]1/2
b.1/ (4K1K2)
c.1/ (2K1K2)
d.1/ (K1K2)



2-Consider the reaction:

N2O4(g) <===> 2 NO2(g).​

If 0.020 mol of N2O4(g) is placed in a 500-ml container and allowed to reach equilibrium, [N2O4] = 0.0055 M. What is Kc for the reaction?



a.0.870
b.12.5
c.6.27
d.0.138

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