题目内容
某温度时,N2(g)+3H2(g)?2NH3(g)的平衡常数K=a,则此温度下,NH3(g)?
H2(g)+
N2(g)的平衡常数为( )
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| 2 |
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A.a-
| B.
| C.a
| D.aˉ2 |
N2(g)+3H2(g)?2NH3(g)的化学平衡常数分别为K=a,故相同温度时反应2NH3(g)?N2(g)+3H2(g)化学平衡常数为
=
,故相同温度时反应NH3(g)?
H2(g)+
N2(g)化学平衡常数为(
)
=a-
,故选A.
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