13.3 ICE Tables and Equilibrium Calculations

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H2(g) + Cl2(g) ⇌ 2HCl(g)           Keq = 16
If 2.0 moles of both H2 and Cl2 are each placed in a 2.0L vessel, what will be the equilibrium concentrations of H2, Cl2, and HCl?

N2(g) + 3H2(g) ⇌ 2NH3(g)            Keq = ?
N2 and H2 are mixed in a 2.0L vessel with initial concentrations of 3.00M each and undergo the above reaction. If the equilibrium concentration of N2 is 2.05M, what is the value of the equilibrium constant of this reaction?