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Equation	Equilibrium expression	Equilibrium constant
2.00 mole of ethane and 4.00 mole of oxygen are mixed together in a 4.00 litre sealed container. At equilibrium it is found that 44.0 grams of carbon dioxide is present.
2.00 mole of iron(III) ions and 4.00 mole of SCN ions are mixed together in a 2.00 litre sealed container. At equilibrium it is found that 1.00 mole of Fe(SCN) is present.
4 mole of ammonia and 4 mole of oxygen are mixed together in a 4 litre sealed container. At equilibrium it is found that 56 grams of nitrogen is present.
2.00 mole of dinitrogen tetroxide are mixed together in a 1.00 litre sealed container. At equilibrium it is found that 92.0 grams of nitrogen dioxide is present.
3.00 mole of ammonia is placed in a 4.00 litre sealed container. The above reaction is allowed to reach equilibrium at which point it is found that 28.0 grams of nitrogen gas is present.

Solutions