Given the following reaction, 2 NH3(g) → N2(g) + 3 H2(g) Which of the following relates the appearance of H2 to the disappearance of NH3? A) rate of appearance H2 = 3/2 ( △NH3 / △t ) B) rate of appearance H2 = 1/2 ( △NH3 / △t ) C) rate of appearance H2 = - 2/3 ( △NH3 / △t ) D) rate of appearance H2 = - 3/2 ( △NH3 / △t ) E) rate of appearance H2 = - 1/2 ( △NH3 / △t )

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