chemical equation

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i want to ask wat is the chemical equation for heating

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

thanks.

2006-12-06 16:00:34 · 2 個解答 · 發問者 ? 2 in 科學 ➔ 化學

1) copper carbonate

CuCO3 ---> CuO + CO2

2) zinc sulphide

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

3) iron oxide

4FeO + O2 ---> 2Fe2O3

2006-12-06 17:19:10 · answer #1 · answered by ? 7 · 0⤊ 0⤋

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

2006-12-07 14:46:02 · answer #2 · answered by alonsocheng 1 · 0⤊ 0⤋