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Nitrogen and hydrogen react to form ammonia gas as shown in the following equation:# N_2(g)+3H_2(g)⥨2NH_3(g)#; H is negative
(a) The figure below shows how the percentage of ammonia gas in the equilibrium mixture changes with temperature.
Explain why the percentage of ammonia gas changes as shown in the figure.
(b) On the axis below, sketch a graph showing how the percentage of ammonia gas in the equilibrium mixture changes with pressure.
