Nitrogen monoxide and water react to form ammonia and oxygen, like this: 4no (g) + 6h2o (g) →4nh3 (g) + 5o2 (g) the reaction is endothermic. suppose a mixture of no, h2o, nh3 and o2 has come to equilibrium in a closed reaction vessel. predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. also decide whether the equilibrium shifts to the right or left.

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Chemistry

Roach

14 October, 03:47

Nitrogen monoxide and water react to form ammonia and oxygen, like this: 4no (g) + 6h2o (g) →4nh3 (g) + 5o2 (g) the reaction is endothermic. suppose a mixture of no, h2o, nh3 and o2 has come to equilibrium in a closed reaction vessel. predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. also decide whether the equilibrium shifts to the right or left.

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Kelton Morrison · Answer 1

The concept used here is the Le Chatelier's principle. When a disturbance is introduced to the system, it favors the direction of reaction that minimizes the disturbance to regain equilibrium.

In endothermic reactions, the forward reaction is favored when the temperature is low. Otherwise, the reverse reaction is favored. When you add the amounts of substances on the reactant side, more products would formed favoring the forward reaction. If you increase concentration on the product side, you form more reactants so it would favor the reverse reaction. Lastly, since 10 moles of gases are needed in the reactant side, it would be favored during high pressure reaction.