A:在熔融电解质中,O2-由负极移向正极
B:电池的总反应是:2C4H10 + 13O2 → 8CO2 + 10H2O
C:通入空气的一极是正极,电极反应为:O2 + 4e- 2H2O= 4OH-
D:通入丁烷的一极是正极,电极反应为:C4H10 + 26e- + 13O2- = 4CO2 + 5H2O
一块铁块的质量会发生变化的情况是( )
在探究“凸透镜成像规律”和“平面镜成像特点”的实验中:
We say “thank you” _______ your help. ( )
Investigators have a____ enough evidence to put that thief in jail for many years.