.当下列反应达到平衡时,保持温度不变,向容器中通Ar,化学平衡一定不移动的是( )
A.PCl5(g) PCl3(g)+Cl2(g) | B.N2(g)+3H2(g)2NH3(g) |
C.2HI(g) H2(g)+I2(g) | D.C2H4(g)+H2(g)C2H6(g) |
.当下列反应达到平衡时,保持温度不变,向容器中通Ar,化学平衡一定不移动的是( )
A.PCl5(g) PCl3(g)+Cl2(g) | B.N2(g)+3H2(g)2NH3(g) |
C.2HI(g) H2(g)+I2(g) | D.C2H4(g)+H2(g)C2H6(g) |
试题篮
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