题文
当下列反应达到平衡时保持温度不变,向容器中通入氩气,则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,向容器中通入氩气,则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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