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A mixture initially consisting of 3.00 mols H2O2, 2.00 mols O2 and 5.00 mols H2 in...

A mixture initially consisting of 3.00 mols H2O2, 2.00 mols O2 and 5.00 mols H2 in a 5.00 L container was heated to 900 K and allowed to reach equilibrium. Determine the equilibrium concentration of each substance if Kc =0.0076 at 900K. (hint: Calculate Q with the initial concentrations first)

H2O2(g) ⇔ O2 (g) + H2 (g)

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