摘要:8.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)
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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和压强不变,向容器中通入氩气,则化学平衡一定不移动的是( )
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| A.PCl5(g)?PC l3(g)+Cl2(g) | B.N2+3H2?2NH3 |
| C.2HI(g)?H2(g)+I2(g) | D.C2H4+H2?C2H6 |