题目内容
(请给出正确答案)
[主观题]
蓄电池过充电应充2h休1h()
提问人:网友fql00zty
发布时间:2022-01-07
A、PbSO4+2 H2O = PbO2 + 4++2
B、Pb += PbSO4 + 2
C、PbSO4 + 2= Pb +
D、PbO2 + 4++ 2= PbSO4 + 2 H2O
A. 13.2V
B. 14.1V
C. 14.5V
D. 15.2V
B.充电时,铅蓄电池的正极应与充电器电源的负极相连
C.放电时,正极反应是Pb-2e - +SO 4 2- = PbSO 4
D.充电时,阳极反应是PbSO 4 -2e - +2H 2 O=PbO 2 +SO 4 2- +4H +
B.img src='https://status.shangxueba.com/ask/shiti/2021/2021-01-01/2016071515293849393.gif' />
C.img src='https://status.shangxueba.com/ask/shiti/2021/2021-01-01/2016071515294823268.gif' />
D.img src='https://status.shangxueba.com/ask/shiti/2021/2021-01-01/2016071515295556960.gif' />
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