Question

Помогите пожалуйста) СРОЧНО Fe₂O₃+H₂→?+? ?+Fe₂O₃→Al₂O₃+? Fe+Cl₂→? Fe+H₂O→?+? Fe+H₂O+?→Fe(OH)₃ Al+Fe₃O₄→?+? Fe+O₂→? Fe+?→FeSO₄+H₂↑ Fe+?→Fe²⁺+H₂↑ Fe+?→Pb+?

Answer 1

Fe2O3+3H2=3H2O+2Fe
2Al+Fe2O3=Al2O3+2Fe
2Fe+3Cl2=2FeCl3
3Fe+4H2O---t°--Fe3O4+4H2
4Fe+6H2O+3O2---4Fe(OH)3
8Al+3Fe3O4=4Al2O3+9Fe
Fe+H2SO4=FeSO4+H2
3Fe+2O2=Fe3O4 (FeO•Fe2O3)
Fe+PbCl2=Pb+FeCl2.

Answer 2

Balanced Chemical Equations:

1. Fe₂O₃ + 3H₂ → 2Fe + 3H₂O [[1]] 2. 2Fe₂O₃ → 4Al₂O₃ + 6Fe [[2]] 3. 2Fe + 3Cl₂ → 2FeCl₃ [[3]] 4. 3Fe + 4H₂O → Fe₃O₄ + 4H₂ [[4]] 5. 2Fe + 6H₂O + 3O₂ → 2Fe(OH)₃ [[5]] 6. 2Al + Fe₃O₄ → 3Fe + Al₂O₃ [[6]] 7. 4Fe + 3O₂ → 2Fe₂O₃ [[7]] 8. 3Fe + 2H₃PO₄ → Fe₃(PO₄)₂ + 3H₂ [[8]] 9. Fe + H₂SO₄ → FeSO₄ + H₂ ↑ [[9]] 10. Fe + Pb(NO₃)₂ → Fe(NO₃)₂ + Pb [[10]]

Explanation:

1. Fe₂O₃ + 3H₂ → 2Fe + 3H₂O: - This equation represents the reaction between iron(III) oxide (Fe₂O₃) and hydrogen gas (H₂). It produces iron (Fe) and water (H₂O) as products [[1]].

2. 2Fe₂O₃ → 4Al₂O₃ + 6Fe: - This equation represents the reaction between iron(III) oxide (Fe₂O₃) and aluminum (Al). It produces aluminum oxide (Al₂O₃) and iron (Fe) as products [[2]].

3. 2Fe + 3Cl₂ → 2FeCl₃: - This equation represents the reaction between iron (Fe) and chlorine gas (Cl₂). It produces iron(III) chloride (FeCl₃) as the product [[3]].

4. 3Fe + 4H₂O → Fe₃O₄ + 4H₂: - This equation represents the reaction between iron (Fe) and water (H₂O). It produces iron(II,III) oxide (Fe₃O₄) and hydrogen gas (H₂) as products [[4]].

5. 2Fe + 6H₂O + 3O₂ → 2Fe(OH)₃: - This equation represents the reaction between iron (Fe), water (H₂O), and oxygen gas (O₂). It produces iron(III) hydroxide (Fe(OH)₃) as the product [[5]].

6. 2Al + Fe₃O₄ → 3Fe + Al₂O₃: - This equation represents the reaction between aluminum (Al) and iron(II,III) oxide (Fe₃O₄). It produces iron (Fe) and aluminum oxide (Al₂O₃) as products [[6]].

7. 4Fe + 3O₂ → 2Fe₂O₃: - This equation represents the reaction between iron (Fe) and oxygen gas (O₂). It produces iron(III) oxide (Fe₂O₃) as the product [[7]].

8. 3Fe + 2H₃PO₄ → Fe₃(PO₄)₂ + 3H₂: - This equation represents the reaction between iron (Fe) and phosphoric acid (H₃PO₄). It produces iron(III) phosphate (Fe₃(PO₄)₂) and hydrogen gas (H₂) as products [[8]].

9. Fe + H₂SO₄ → FeSO₄ + H₂ ↑: - This equation represents the reaction between iron (Fe) and sulfuric acid (H₂SO₄). It produces iron(II) sulfate (FeSO₄) and hydrogen gas (H₂) as products [[9]].

10. Fe + Pb(NO₃)₂ → Fe(NO₃)₂ + Pb: - This equation represents the reaction between iron (Fe) and lead(II) nitrate (Pb(NO₃)₂). It produces iron(II) nitrate (Fe(NO₃)₂) and lead (Pb) as products [[10]].

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