方程式:2Al+3CuSO4==Al2(SO4)3+3Cu
现象:铝表面有红色物质析出,硫酸铜溶液颜色变浅
猜你喜欢
- 1求一篇读完鲁迅写的《祝福》后的“我看祥林嫂的死”的300字读后感
- 2有一个直流电动机把他接入0.2V电压的电路时,电动机不转测得流过的电流为0.4A,若吧电动机接入2V电压的电路中,电动机正常工作,工作电流是1.0A.
- 3So much work usually makes hime____interest
- 4She isn't good at swimming.(保持句子原意) She doesn't_____ _____in swimming.
- 5英语翻译
- 6write的过去式和过去分词是什么?
- 7语文中词语及句子的种类
- 8根据焦耳定律,在输电导线电阻一定时,要减少输电导线上发热损失的电能,应______电流;
- 9改错the maths problem is so easy that i can work out
- 10我需要最优美的句子