Предмет: Химия, автор: дианочка20022411

химия 8 класс 30 баллов
Составьте уравнения реакций, с помощью которых можно осуществить превращения: 1) KClO3-O2-Fe3O4 2)HgO-O2-P2O5 3)KMnO4-O2-Al2O3

Ответы

Автор ответа: mrvladimir2
0
1)2KClO3 = 2KCl + 3O2
3Fe+2O2 = Fe2O3*FeO

2)
2HgO = 2Hg + O2
4P+5O2 = 2P2O5

3)
2KMnO4 = K2MnO4 + MnO2 + O2
4Al + 3O2 = 2Al2O3
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