A.反应前后的压强比为5:7 | B.达到平衡时NH3的分解率为40% |
C.N2的平衡浓度为mol/(L·s) | D.NH3在5s内的平均速度为mol/(L·s) |
A.50% | B.37.5% | C.25% | D.12.5% |
A.80% | B.83% | C.75% | D.91% |
A.0.1 mol/L | B.1.4 mol/L | C.2.38 mol/L | D.2.88 mol/L |
A.a =1,b =1 | B.a =2,b =1 |
C.a =2,b =2 | D.a =3,b =2 |
A.增大了压强 | B.降低温度 |
C.增加了x和y的浓度 | D.使用了催化剂 |
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