chemical equation

2006-12-07 5:00 am

i want to ask wat is the chemical equation for heating

1) copper carbonate
2)zinc sulphide
3) iron oxide

thanks.

回答 (2)

2006-12-07 6:19 am

✔ 最佳答案

1) copper carbonate

CuCO3 ---> CuO + CO2

2) zinc sulphide

2ZnS + 3O2 ---> 2ZnO + 2SO2

3) iron oxide

4FeO + O2 ---> 2Fe2O3

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2006-12-08 3:46 am

樓上的
3) iron oxide
no reaction while heating it
Heating oxides
it can be done while heating AgO and HgO

參考: me

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