2NH3=N2+3H2(可逆),增大氨的浓度,为什么氨的转化率减少?增大氨的浓度,平衡向右移动吧?NH3,N2,H2均为气体.增加NH3浓度就是增加反应体系的压强.总压强增大,反应向化学计量数减少的方向进行.所以
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