Question

Перетворіть схеми хімічних реакцій на рівняння. Ca + O2→ CaO Fe + O2→ Fe3O4 CH4 → C2H2 + H2 Al + S → Al2S3 HCl + Fe → FeCl2 + H2 Fe (OH)3→ Fe2O3 + H2O HCl + Al → AlCl3 + H2 P2O5 + K2O → K3PO4

Answer 1

Ответ:

2Ca + O2→ 2CaO

3Fe + 2O2→ Fe3O4

2CH4 → C2H2 + 3H2↑

2Al + 3S → Al2S3

2HCl + Fe → FeCl2 + H2↑

2Fe (OH)3→ Fe2O3 + 3H2O

6HCl +2 Al → 2AlCl3 + 3H2↑

P2O5 +3 K2O → 2K3PO4

Answer 2

Conversion of Chemical Reactions to Equations

Here are the chemical reactions provided and their corresponding balanced chemical equations:

1. Ca + O2 → CaO - Balanced equation: 2Ca + O2 → 2CaO [[1]]

2. Fe + O2 → Fe3O4 - Balanced equation: 4Fe + 3O2 → 2Fe3O4 [[2]]

3. CH4 → C2H2 + H2 - Balanced equation: CH4 → C2H2 + 2H2 [[3]]

4. Al + S → Al2S3 - Balanced equation: 2Al + 3S → Al2S3 [[4]]

5. HCl + Fe → FeCl2 + H2 - Balanced equation: 2HCl + Fe → FeCl2 + H2 [[5]]

6. Fe(OH)3 → Fe2O3 + H2O - Balanced equation: 2Fe(OH)3 → Fe2O3 + 3H2O [[6]]

7. HCl + Al → AlCl3 + H2 - Balanced equation: 6HCl + 2Al → 2AlCl3 + 3H2 [[7]]

8. P2O5 + K2O → K3PO4 - Balanced equation: P2O5 + 3K2O → 2K3PO4 [[8]]

Please note that these balanced equations are based on the information provided and may vary depending on the reaction conditions.