【判断题】8) It is in fact not very difficult to make friends with a foreigner.
【简答题】If you want to know more about EST writing, what are the references that Chapter3 Section4 provides?
【单选题】应用叠加定理时,需要把不作用的电源置零,则正确的电源置零法为( )。
【简答题】已知在容积固定的密闭容器中充入NH 3 和O 2 发生如下反应: 4NH 3 (g)+5O 2 (g) 4NO(g)+6H 2 O(g) (1)下列能说明该反应已经达到平衡状态的是 ; A.容器中气体总质量不变 B.c(O 2 )不变 C.υ(O 2 )=1.25υ(NH 3 ) D.体系压强不变 E.相同时间内,消耗0.1 mol NH 3 ,同时消耗了0.1 mol NO (2)向该容器中加入...
【判断题】8) It is in fact not very difficult to make friends with a foreigner.