A.N2(g)+3H2(g) 2NH3(g)ΔH<0 |
B.2SO3(g)2SO2(g)+O2(g)ΔH>0 |
C.4NH3(g)+5O2(g) 4NO(g)+6H2O(g)ΔH<0 |
D.H2(g)+CO(g) C(s)+H2O(g)ΔH>0 |
A.C消耗的速率与A消耗的速率相等 |
B.单位时间内生成a mol A,同时生成2a mol C |
C.容器内的压强不再变化 |
D.混合气体的密度不再变化 |
A.35% | B.30% | C.1/4 | D.1/5 |
© 2017-2019 超级试练试题库,All Rights Reserved.