49 Balancing Chemical Equations Worksheets [with Answers] - Free Printable
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Step-by-step solution for: 49 Balancing Chemical Equations Worksheets [with Answers]
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Show Answer Key & Explanations
Step-by-step solution for: 49 Balancing Chemical Equations Worksheets [with Answers]
To solve the problem of balancing these word equations, we need to convert the word equations into chemical formulas and then balance them. Here's a step-by-step explanation for each equation:
---
- Word Equation: Carbon + Oxygen → Carbon Dioxide
- Chemical Formula: \( C + O_2 \rightarrow CO_2 \)
- Balanced Equation: \( C + O_2 \rightarrow CO_2 \)
Explanation: The equation is already balanced with 1 carbon atom and 2 oxygen atoms on both sides.
---
- Word Equation: Copper + Silver Nitrate → Copper(II) Nitrate + Silver
- Chemical Formula: \( Cu + AgNO_3 \rightarrow Cu(NO_3)_2 + Ag \)
- Balanced Equation: \( 2Cu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2Ag \)
Explanation:
- Start with 1 Cu and 1 AgNO₃.
- To balance Cu, we need 2 Cu(NO₃)₂.
- This requires 2 AgNO₃ to provide 2 NO₃⁻ ions.
- Finally, we get 2 Ag on the right side.
---
- Word Equation: Zinc + Copper(II) Sulfate → Zinc Sulfate + Copper
- Chemical Formula: \( Zn + CuSO_4 \rightarrow ZnSO_4 + Cu \)
- Balanced Equation: \( Zn + CuSO_4 \rightarrow ZnSO_4 + Cu \)
Explanation: The equation is already balanced with 1 zinc, 1 copper, 1 sulfate ion, and 4 oxygen atoms on both sides.
---
- Word Equation: Mercury(II) Nitrate + Ammonium Sulfide → Mercury(II) Sulfide + Ammonium Nitrate
- Chemical Formula: \( Hg(NO_3)_2 + (NH_4)_2S \rightarrow HgS + NH_4NO_3 \)
- Balanced Equation: \( Hg(NO_3)_2 + (NH_4)_2S \rightarrow HgS + 2NH_4NO_3 \)
Explanation:
- Start with 1 Hg(NO₃)₂ and 1 (NH₄)₂S.
- The reaction produces 1 HgS and 2 NH₄NO₃.
- Balance by ensuring 2 nitrate ions (NO₃⁻) are produced from 1 Hg(NO₃)₂.
---
- Word Equation: Iron(III) Hydroxide → Iron(III) Oxide + Water
- Chemical Formula: \( Fe(OH)_3 \rightarrow Fe_2O_3 + H_2O \)
- Balanced Equation: \( 2Fe(OH)_3 \rightarrow Fe_2O_3 + 3H_2O \)
Explanation:
- Start with 1 Fe(OH)₃.
- To balance Fe, we need 2 Fe(OH)₃.
- This gives 2 Fe in Fe₂O₃.
- Balance O and H: 6 O atoms and 6 H atoms are present on both sides.
---
- Word Equation: Water → Hydrogen + Oxygen
- Chemical Formula: \( H_2O \rightarrow H_2 + O_2 \)
- Balanced Equation: \( 2H_2O \rightarrow 2H_2 + O_2 \)
Explanation:
- Start with 1 H₂O.
- To balance H, we need 2 H₂O.
- This gives 4 H atoms and 2 O atoms.
- Balance O: 2 O atoms form 1 O₂ molecule.
---
- Word Equation: Copper(II) Nitrate + Water → Hydrogen Nitrate + Copper(II) Hydroxide
- Chemical Formula: \( Cu(NO_3)_2 + H_2O \rightarrow HNO_3 + Cu(OH)_2 \)
- Balanced Equation: \( Cu(NO_3)_2 + 2H_2O \rightarrow 2HNO_3 + Cu(OH)_2 \)
Explanation:
- Start with 1 Cu(NO₃)₂.
- To balance NO₃⁻, we need 2 HNO₃.
- This requires 2 H₂O to provide 2 H⁺ ions.
- Balance Cu and OH⁻: 1 Cu(OH)₂ is formed.
---
- Word Equation: Phosphorus + Oxygen → Diphosphorous Pentoxide
- Chemical Formula: \( P + O_2 \rightarrow P_2O_5 \)
- Balanced Equation: \( 4P + 5O_2 \rightarrow 2P_2O_5 \)
Explanation:
- Start with 1 P and 1 O₂.
- To balance P, we need 4 P atoms.
- This requires 10 O atoms (5 O₂ molecules) to form 2 P₂O₅ molecules.
---
- Word Equation: Iron + Hydrochloric Acid → Iron(II) Chloride + Hydrogen
- Chemical Formula: \( Fe + HCl \rightarrow FeCl_2 + H_2 \)
- Balanced Equation: \( Fe + 2HCl \rightarrow FeCl_2 + H_2 \)
Explanation:
- Start with 1 Fe and 1 HCl.
- To balance Cl, we need 2 HCl.
- This gives 2 H atoms, forming 1 H₂ molecule.
---
- Word Equation: Sodium Hydroxide + Phosphoric Acid → Sodium Phosphate + Water
- Chemical Formula: \( NaOH + H_3PO_4 \rightarrow Na_3PO_4 + H_2O \)
- Balanced Equation: \( 3NaOH + H_3PO_4 \rightarrow Na_3PO_4 + 3H_2O \)
Explanation:
- Start with 1 NaOH and 1 H₃PO₄.
- To balance Na, we need 3 NaOH.
- This gives 3 H atoms, forming 3 H₂O molecules.
---
- Word Equation: Antimony + Chlorine → Antimony Trichloride
- Chemical Formula: \( Sb + Cl_2 \rightarrow SbCl_3 \)
- Balanced Equation: \( 2Sb + 3Cl_2 \rightarrow 2SbCl_3 \)
Explanation:
- Start with 1 Sb and 1 Cl₂.
- To balance Sb, we need 2 Sb.
- This requires 6 Cl atoms (3 Cl₂ molecules) to form 2 SbCl₃ molecules.
---
- Word Equation: Sodium Chlorate → Sodium Chloride + Oxygen
- Chemical Formula: \( NaClO_3 \rightarrow NaCl + O_2 \)
- Balanced Equation: \( 2NaClO_3 \rightarrow 2NaCl + 3O_2 \)
Explanation:
- Start with 1 NaClO₃.
- To balance Na and Cl, we need 2 NaClO₃.
- This gives 6 O atoms, forming 3 O₂ molecules.
---
- Word Equation: Sodium Carbonate + Water → Sodium Oxide + Hydrogen Carbonate
- Chemical Formula: \( Na_2CO_3 + H_2O \rightarrow Na_2O + H_2CO_3 \)
- Balanced Equation: \( Na_2CO_3 + H_2O \rightarrow Na_2O + H_2CO_3 \)
Explanation: The equation is already balanced with 2 Na, 1 C, 4 O, and 2 H atoms on both sides.
---
- Word Equation: Silver + Sulfur → Silver Sulfide
- Chemical Formula: \( Ag + S \rightarrow Ag_2S \)
- Balanced Equation: \( 2Ag + S \rightarrow Ag_2S \)
Explanation:
- Start with 1 Ag and 1 S.
- To balance Ag, we need 2 Ag.
---
- Word Equation: Potassium + Water → Potassium Hydroxide + Hydrogen
- Chemical Formula: \( K + H_2O \rightarrow KOH + H_2 \)
- Balanced Equation: \( 2K + 2H_2O \rightarrow 2KOH + H_2 \)
Explanation:
- Start with 1 K and 1 H₂O.
- To balance K, we need 2 K.
- This requires 2 H₂O to provide 4 H atoms, forming 1 H₂ molecule.
---
- Word Equation: Barium Chloride + Magnesium Sulfate → Barium Sulfate + Magnesium Chloride
- Chemical Formula: \( BaCl_2 + MgSO_4 \rightarrow BaSO_4 + MgCl_2 \)
- Balanced Equation: \( BaCl_2 + MgSO_4 \rightarrow BaSO_4 + MgCl_2 \)
Explanation: The equation is already balanced with 1 Ba, 2 Cl, 1 Mg, 1 S, and 4 O atoms on both sides.
---
- Word Equation: Sodium Bromide + Chlorine → Sodium Chloride + Bromine
- Chemical Formula: \( NaBr + Cl_2 \rightarrow NaCl + Br_2 \)
- Balanced Equation: \( 2NaBr + Cl_2 \rightarrow 2NaCl + Br_2 \)
Explanation:
- Start with 1 NaBr and 1 Cl₂.
- To balance Na, we need 2 NaBr.
- This gives 2 Br atoms, forming 1 Br₂ molecule.
---
- Word Equation: Ammonium Carbonate → Ammonia + Carbonic Acid
- Chemical Formula: \( (NH_4)_2CO_3 \rightarrow NH_3 + H_2CO_3 \)
- Balanced Equation: \( (NH_4)_2CO_3 \rightarrow 2NH_3 + H_2CO_3 \)
Explanation:
- Start with 1 (NH₄)₂CO₃.
- This produces 2 NH₃ and 1 H₂CO₃.
---
- Word Equation: Calcium Carbonate + Hydrochloric Acid → Calcium Chloride + Hydrogen Carbonate
- Chemical Formula: \( CaCO_3 + HCl \rightarrow CaCl_2 + H_2CO_3 \)
- Balanced Equation: \( CaCO_3 + 2HCl \rightarrow CaCl_2 + H_2CO_3 \)
Explanation:
- Start with 1 CaCO₃ and 1 HCl.
- To balance Cl, we need 2 HCl.
- This gives 2 H atoms, forming 1 H₂CO₃ molecule.
---
- Word Equation: Zinc Chloride + Phosphoric Acid → Zinc Phosphate + Hydrogen Chloride
- Chemical Formula: \( ZnCl_2 + H_3PO_4 \rightarrow Zn_3(PO_4)_2 + HCl \)
- Balanced Equation: \( 3ZnCl_2 + 2H_3PO_4 \rightarrow Zn_3(PO_4)_2 + 6HCl \)
Explanation:
- Start with 1 ZnCl₂ and 1 H₃PO₄.
- To balance Zn, we need 3 ZnCl₂.
- This requires 2 H₃PO₄ to form 1 Zn₃(PO₄)₂.
- Balance Cl: 6 HCl are produced.
---
- Word Equation: Mercury(II) Oxide → Mercury + Oxygen
- Chemical Formula: \( HgO \rightarrow Hg + O_2 \)
- Balanced Equation: \( 2HgO \rightarrow 2Hg + O_2 \)
Explanation:
- Start with 1 HgO.
- To balance Hg, we need 2 HgO.
- This gives 2 O atoms, forming 1 O₂ molecule.
---
- Word Equation: Sodium Sulfite + Acetic Acid → Hydrogen Sulfite + Sodium Acetate
- Chemical Formula: \( Na_2SO_3 + CH_3COOH \rightarrow H_2SO_3 + CH_3COONa \)
- Balanced Equation: \( Na_2SO_3 + 2CH_3COOH \rightarrow H_2SO_3 + 2CH_3COONa \)
Explanation:
- Start with 1 Na₂SO₃ and 1 CH₃COOH.
- To balance Na, we need 2 CH₃COOH.
- This gives 2 CH₃COONa.
---
- Word Equation: Ammonium Nitrate + Potassium Hydroxide → Ammonium Hydroxide + Potassium Nitrate
- Chemical Formula: \( NH_4NO_3 + KOH \rightarrow NH_4OH + KNO_3 \)
- Balanced Equation: \( NH_4NO_3 + KOH \rightarrow NH_4OH + KNO_3 \)
Explanation: The equation is already balanced with 1 N, 1 H, 1 O, 1 K, and 1 NO₃⁻ ion on both sides.
---
- Word Equation: Silver Sulfate + Aluminum Chloride → Silver Chloride + Aluminum Sulfate
- Chemical Formula: \( Ag_2SO_4 + AlCl_3 \rightarrow AgCl + Al_2(SO_4)_3 \)
- Balanced Equation: \( 3Ag_2SO_4 + 2AlCl_3 \rightarrow 6AgCl + Al_2(SO_4)_3 \)
Explanation:
- Start with 1 Ag₂SO₄ and 1 AlCl₃.
- To balance Ag, we need 3 Ag₂SO₄.
- This requires 2 AlCl₃ to form 1 Al₂(SO₄)₃.
- Balance Cl: 6 AgCl are produced.
---
- Word Equation: Barium Sulfide + Water → Barium Oxide + Hydrogen Sulfide
- Chemical Formula: \( BaS + H_2O \rightarrow BaO + H_2S \)
- Balanced Equation: \( BaS + H_2O \rightarrow BaO + H_2S \)
Explanation: The equation is already balanced with 1 Ba, 1 S, 1 O, and 2 H atoms on both sides.
---
\[
\boxed{
\text{See detailed solutions above for each equation.}
}
\]
---
1. Carbon + Oxygen → Carbon Dioxide (0)
- Word Equation: Carbon + Oxygen → Carbon Dioxide
- Chemical Formula: \( C + O_2 \rightarrow CO_2 \)
- Balanced Equation: \( C + O_2 \rightarrow CO_2 \)
Explanation: The equation is already balanced with 1 carbon atom and 2 oxygen atoms on both sides.
---
2. Copper + Silver Nitrate → Copper(II) Nitrate + Silver (4)
- Word Equation: Copper + Silver Nitrate → Copper(II) Nitrate + Silver
- Chemical Formula: \( Cu + AgNO_3 \rightarrow Cu(NO_3)_2 + Ag \)
- Balanced Equation: \( 2Cu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2Ag \)
Explanation:
- Start with 1 Cu and 1 AgNO₃.
- To balance Cu, we need 2 Cu(NO₃)₂.
- This requires 2 AgNO₃ to provide 2 NO₃⁻ ions.
- Finally, we get 2 Ag on the right side.
---
3. Zinc + Copper(II) Sulfate → Zinc Sulfate + Copper (0)
- Word Equation: Zinc + Copper(II) Sulfate → Zinc Sulfate + Copper
- Chemical Formula: \( Zn + CuSO_4 \rightarrow ZnSO_4 + Cu \)
- Balanced Equation: \( Zn + CuSO_4 \rightarrow ZnSO_4 + Cu \)
Explanation: The equation is already balanced with 1 zinc, 1 copper, 1 sulfate ion, and 4 oxygen atoms on both sides.
---
4. Mercury(II) Nitrate + Ammonium Sulfide → Mercury(II) Sulfide + Ammonium Nitrate (2)
- Word Equation: Mercury(II) Nitrate + Ammonium Sulfide → Mercury(II) Sulfide + Ammonium Nitrate
- Chemical Formula: \( Hg(NO_3)_2 + (NH_4)_2S \rightarrow HgS + NH_4NO_3 \)
- Balanced Equation: \( Hg(NO_3)_2 + (NH_4)_2S \rightarrow HgS + 2NH_4NO_3 \)
Explanation:
- Start with 1 Hg(NO₃)₂ and 1 (NH₄)₂S.
- The reaction produces 1 HgS and 2 NH₄NO₃.
- Balance by ensuring 2 nitrate ions (NO₃⁻) are produced from 1 Hg(NO₃)₂.
---
5. Iron(III) Hydroxide → Iron(III) Oxide + Water (5)
- Word Equation: Iron(III) Hydroxide → Iron(III) Oxide + Water
- Chemical Formula: \( Fe(OH)_3 \rightarrow Fe_2O_3 + H_2O \)
- Balanced Equation: \( 2Fe(OH)_3 \rightarrow Fe_2O_3 + 3H_2O \)
Explanation:
- Start with 1 Fe(OH)₃.
- To balance Fe, we need 2 Fe(OH)₃.
- This gives 2 Fe in Fe₂O₃.
- Balance O and H: 6 O atoms and 6 H atoms are present on both sides.
---
6. Water → Hydrogen + Oxygen (4)
- Word Equation: Water → Hydrogen + Oxygen
- Chemical Formula: \( H_2O \rightarrow H_2 + O_2 \)
- Balanced Equation: \( 2H_2O \rightarrow 2H_2 + O_2 \)
Explanation:
- Start with 1 H₂O.
- To balance H, we need 2 H₂O.
- This gives 4 H atoms and 2 O atoms.
- Balance O: 2 O atoms form 1 O₂ molecule.
---
7. Copper(II) Nitrate + Water → Hydrogen Nitrate + Copper(II) Hydroxide (4)
- Word Equation: Copper(II) Nitrate + Water → Hydrogen Nitrate + Copper(II) Hydroxide
- Chemical Formula: \( Cu(NO_3)_2 + H_2O \rightarrow HNO_3 + Cu(OH)_2 \)
- Balanced Equation: \( Cu(NO_3)_2 + 2H_2O \rightarrow 2HNO_3 + Cu(OH)_2 \)
Explanation:
- Start with 1 Cu(NO₃)₂.
- To balance NO₃⁻, we need 2 HNO₃.
- This requires 2 H₂O to provide 2 H⁺ ions.
- Balance Cu and OH⁻: 1 Cu(OH)₂ is formed.
---
8. Phosphorus + Oxygen → Diphosphorous Pentoxide (11)
- Word Equation: Phosphorus + Oxygen → Diphosphorous Pentoxide
- Chemical Formula: \( P + O_2 \rightarrow P_2O_5 \)
- Balanced Equation: \( 4P + 5O_2 \rightarrow 2P_2O_5 \)
Explanation:
- Start with 1 P and 1 O₂.
- To balance P, we need 4 P atoms.
- This requires 10 O atoms (5 O₂ molecules) to form 2 P₂O₅ molecules.
---
9. Iron + Hydrochloric Acid → Iron(II) Chloride + Hydrogen (2)
- Word Equation: Iron + Hydrochloric Acid → Iron(II) Chloride + Hydrogen
- Chemical Formula: \( Fe + HCl \rightarrow FeCl_2 + H_2 \)
- Balanced Equation: \( Fe + 2HCl \rightarrow FeCl_2 + H_2 \)
Explanation:
- Start with 1 Fe and 1 HCl.
- To balance Cl, we need 2 HCl.
- This gives 2 H atoms, forming 1 H₂ molecule.
---
10. Sodium Hydroxide + Phosphoric Acid → Sodium Phosphate + Water (6)
- Word Equation: Sodium Hydroxide + Phosphoric Acid → Sodium Phosphate + Water
- Chemical Formula: \( NaOH + H_3PO_4 \rightarrow Na_3PO_4 + H_2O \)
- Balanced Equation: \( 3NaOH + H_3PO_4 \rightarrow Na_3PO_4 + 3H_2O \)
Explanation:
- Start with 1 NaOH and 1 H₃PO₄.
- To balance Na, we need 3 NaOH.
- This gives 3 H atoms, forming 3 H₂O molecules.
---
11. Antimony + Chlorine → Antimony Trichloride (7)
- Word Equation: Antimony + Chlorine → Antimony Trichloride
- Chemical Formula: \( Sb + Cl_2 \rightarrow SbCl_3 \)
- Balanced Equation: \( 2Sb + 3Cl_2 \rightarrow 2SbCl_3 \)
Explanation:
- Start with 1 Sb and 1 Cl₂.
- To balance Sb, we need 2 Sb.
- This requires 6 Cl atoms (3 Cl₂ molecules) to form 2 SbCl₃ molecules.
---
12. Sodium Chlorate → Sodium Chloride + Oxygen (7)
- Word Equation: Sodium Chlorate → Sodium Chloride + Oxygen
- Chemical Formula: \( NaClO_3 \rightarrow NaCl + O_2 \)
- Balanced Equation: \( 2NaClO_3 \rightarrow 2NaCl + 3O_2 \)
Explanation:
- Start with 1 NaClO₃.
- To balance Na and Cl, we need 2 NaClO₃.
- This gives 6 O atoms, forming 3 O₂ molecules.
---
13. Sodium Carbonate + Water → Sodium Oxide + Hydrogen Carbonate (0)
- Word Equation: Sodium Carbonate + Water → Sodium Oxide + Hydrogen Carbonate
- Chemical Formula: \( Na_2CO_3 + H_2O \rightarrow Na_2O + H_2CO_3 \)
- Balanced Equation: \( Na_2CO_3 + H_2O \rightarrow Na_2O + H_2CO_3 \)
Explanation: The equation is already balanced with 2 Na, 1 C, 4 O, and 2 H atoms on both sides.
---
14. Silver + Sulfur → Silver Sulfide (2)
- Word Equation: Silver + Sulfur → Silver Sulfide
- Chemical Formula: \( Ag + S \rightarrow Ag_2S \)
- Balanced Equation: \( 2Ag + S \rightarrow Ag_2S \)
Explanation:
- Start with 1 Ag and 1 S.
- To balance Ag, we need 2 Ag.
---
15. Potassium + Water → Potassium Hydroxide + Hydrogen (6)
- Word Equation: Potassium + Water → Potassium Hydroxide + Hydrogen
- Chemical Formula: \( K + H_2O \rightarrow KOH + H_2 \)
- Balanced Equation: \( 2K + 2H_2O \rightarrow 2KOH + H_2 \)
Explanation:
- Start with 1 K and 1 H₂O.
- To balance K, we need 2 K.
- This requires 2 H₂O to provide 4 H atoms, forming 1 H₂ molecule.
---
16. Barium Chloride + Magnesium Sulfate → Barium Sulfate + Magnesium Chloride (0)
- Word Equation: Barium Chloride + Magnesium Sulfate → Barium Sulfate + Magnesium Chloride
- Chemical Formula: \( BaCl_2 + MgSO_4 \rightarrow BaSO_4 + MgCl_2 \)
- Balanced Equation: \( BaCl_2 + MgSO_4 \rightarrow BaSO_4 + MgCl_2 \)
Explanation: The equation is already balanced with 1 Ba, 2 Cl, 1 Mg, 1 S, and 4 O atoms on both sides.
---
17. Sodium Bromide + Chlorine → Sodium Chloride + Bromine (4)
- Word Equation: Sodium Bromide + Chlorine → Sodium Chloride + Bromine
- Chemical Formula: \( NaBr + Cl_2 \rightarrow NaCl + Br_2 \)
- Balanced Equation: \( 2NaBr + Cl_2 \rightarrow 2NaCl + Br_2 \)
Explanation:
- Start with 1 NaBr and 1 Cl₂.
- To balance Na, we need 2 NaBr.
- This gives 2 Br atoms, forming 1 Br₂ molecule.
---
18. Ammonium Carbonate → Ammonia + Carbonic Acid (2)
- Word Equation: Ammonium Carbonate → Ammonia + Carbonic Acid
- Chemical Formula: \( (NH_4)_2CO_3 \rightarrow NH_3 + H_2CO_3 \)
- Balanced Equation: \( (NH_4)_2CO_3 \rightarrow 2NH_3 + H_2CO_3 \)
Explanation:
- Start with 1 (NH₄)₂CO₃.
- This produces 2 NH₃ and 1 H₂CO₃.
---
19. Calcium Carbonate + Hydrochloric Acid → Calcium Chloride + Hydrogen Carbonate (2)
- Word Equation: Calcium Carbonate + Hydrochloric Acid → Calcium Chloride + Hydrogen Carbonate
- Chemical Formula: \( CaCO_3 + HCl \rightarrow CaCl_2 + H_2CO_3 \)
- Balanced Equation: \( CaCO_3 + 2HCl \rightarrow CaCl_2 + H_2CO_3 \)
Explanation:
- Start with 1 CaCO₃ and 1 HCl.
- To balance Cl, we need 2 HCl.
- This gives 2 H atoms, forming 1 H₂CO₃ molecule.
---
20. Zinc Chloride + Phosphoric Acid → Zinc Phosphate + Hydrogen Chloride (11)
- Word Equation: Zinc Chloride + Phosphoric Acid → Zinc Phosphate + Hydrogen Chloride
- Chemical Formula: \( ZnCl_2 + H_3PO_4 \rightarrow Zn_3(PO_4)_2 + HCl \)
- Balanced Equation: \( 3ZnCl_2 + 2H_3PO_4 \rightarrow Zn_3(PO_4)_2 + 6HCl \)
Explanation:
- Start with 1 ZnCl₂ and 1 H₃PO₄.
- To balance Zn, we need 3 ZnCl₂.
- This requires 2 H₃PO₄ to form 1 Zn₃(PO₄)₂.
- Balance Cl: 6 HCl are produced.
---
21. Mercury(II) Oxide → Mercury + Oxygen (4)
- Word Equation: Mercury(II) Oxide → Mercury + Oxygen
- Chemical Formula: \( HgO \rightarrow Hg + O_2 \)
- Balanced Equation: \( 2HgO \rightarrow 2Hg + O_2 \)
Explanation:
- Start with 1 HgO.
- To balance Hg, we need 2 HgO.
- This gives 2 O atoms, forming 1 O₂ molecule.
---
22. Sodium Sulfite + Acetic Acid → Hydrogen Sulfite + Sodium Acetate (4)
- Word Equation: Sodium Sulfite + Acetic Acid → Hydrogen Sulfite + Sodium Acetate
- Chemical Formula: \( Na_2SO_3 + CH_3COOH \rightarrow H_2SO_3 + CH_3COONa \)
- Balanced Equation: \( Na_2SO_3 + 2CH_3COOH \rightarrow H_2SO_3 + 2CH_3COONa \)
Explanation:
- Start with 1 Na₂SO₃ and 1 CH₃COOH.
- To balance Na, we need 2 CH₃COOH.
- This gives 2 CH₃COONa.
---
23. Ammonium Nitrate + Potassium Hydroxide → Ammonium Hydroxide + Potassium Nitrate (0)
- Word Equation: Ammonium Nitrate + Potassium Hydroxide → Ammonium Hydroxide + Potassium Nitrate
- Chemical Formula: \( NH_4NO_3 + KOH \rightarrow NH_4OH + KNO_3 \)
- Balanced Equation: \( NH_4NO_3 + KOH \rightarrow NH_4OH + KNO_3 \)
Explanation: The equation is already balanced with 1 N, 1 H, 1 O, 1 K, and 1 NO₃⁻ ion on both sides.
---
24. Silver Sulfate + Aluminum Chloride → Silver Chloride + Aluminum Sulfate (11)
- Word Equation: Silver Sulfate + Aluminum Chloride → Silver Chloride + Aluminum Sulfate
- Chemical Formula: \( Ag_2SO_4 + AlCl_3 \rightarrow AgCl + Al_2(SO_4)_3 \)
- Balanced Equation: \( 3Ag_2SO_4 + 2AlCl_3 \rightarrow 6AgCl + Al_2(SO_4)_3 \)
Explanation:
- Start with 1 Ag₂SO₄ and 1 AlCl₃.
- To balance Ag, we need 3 Ag₂SO₄.
- This requires 2 AlCl₃ to form 1 Al₂(SO₄)₃.
- Balance Cl: 6 AgCl are produced.
---
25. Barium Sulfide + Water → Barium Oxide + Hydrogen Sulfide (0)
- Word Equation: Barium Sulfide + Water → Barium Oxide + Hydrogen Sulfide
- Chemical Formula: \( BaS + H_2O \rightarrow BaO + H_2S \)
- Balanced Equation: \( BaS + H_2O \rightarrow BaO + H_2S \)
Explanation: The equation is already balanced with 1 Ba, 1 S, 1 O, and 2 H atoms on both sides.
---
Final Answer
\[
\boxed{
\text{See detailed solutions above for each equation.}
}
\]
Parent Tip: Review the logic above to help your child master the concept of word chemical equations worksheet.
