點解用碳還原法可以把氧化的金屬還原
如~鐵
點解用碳還原法可以把氧化的金屬還原
2007-11-28 4:21 am
回答 (2)
2007-11-28 4:45 am
✔ 最佳答案
平衡前: F2O3(s) + C(s) ---> F(s) + CO2(g)平衡後: 2F2O3 + 3C ---> 4F + 3CO2
氧化鐵(3) 與碳共熱後,變成鐵和CO2
由於CO2係氣體,所以只剩下鐵。
參考: sisison
2007-11-28 4:40 am
for example of using iron oxide
iron oxide+carbon-->(after heat)iron+carbon dioxide
some metal oxide react to carbon after heating,carbon take away oxygen from metal oxide,as a result,iron oxide become iron..
this is called'碳還原法'
iron oxide+carbon-->(after heat)iron+carbon dioxide
some metal oxide react to carbon after heating,carbon take away oxygen from metal oxide,as a result,iron oxide become iron..
this is called'碳還原法'
收錄日期: 2021-04-13 14:35:31
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