Chemistry Practice Balancing Equations

Balance: H₂ + O₂ → H₂O

Balanced: 2H₂ + O₂ → 2H₂O

Balance: N₂ + H₂ → NH₃

Balanced: N₂ + 3H₂ → 2NH₃

Balance: Na + Cl₂ → NaCl

Balanced: 2Na + Cl₂ → 2NaCl

Balance: K + O₂ → K₂O

Balanced: 4K + O₂ → 2K₂O

Balance: HCl + NaOH → NaCl + H₂O

Balanced: HCl + NaOH → NaCl + H₂O

Balance: C + O₂ → CO₂

Balanced: C + O₂ → CO₂

Balance: Mg + O₂ → MgO

Balanced: 2Mg + O₂ → 2MgO

Balance: H₂ + Cl₂ → HCl

Balanced: H₂ + Cl₂ → 2HCl

Balance: Zn + HCl → ZnCl₂ + H₂

Balanced: Zn + 2HCl → ZnCl₂ + H₂

Balance: Fe + S → FeS

Balanced: Fe + S → FeS

Balance: Al + O₂ → Al₂O₃

Balanced: 4Al + 3O₂ → 2Al₂O₃

Balance: C₄H₁₀ + O₂ → CO₂ + H₂O

Balanced: 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O

Balance: CaCO₃ → CaO + CO₂

Balanced: CaCO₃ → CaO + CO₂

Balance: H₂SO₄ + NaOH → Na₂SO₄ + H₂O

Balanced: H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

Balance: AgNO₃ + NaCl → AgCl + NaNO₃

Balanced: AgNO₃ + NaCl → AgCl + NaNO₃ (White precipitate)

Balance: CuO + HCl → CuCl₂ + H₂O

Balanced: CuO + 2HCl → CuCl₂ + H₂O

Balance: Mg + H₂SO₄ → MgSO₄ + H₂

Balanced: Mg + H₂SO₄ → MgSO₄ + H₂

Balance: BaCl₂ + Na₂SO₄ → BaSO₄ + NaCl

Balanced: BaCl₂ + Na₂SO₄ → BaSO₄ + 2NaCl (White precipitate)

Balance: K + H₂O → KOH + H₂

Balanced: 2K + 2H₂O → 2KOH + H₂

Balance: Fe + HCl → FeCl₂ + H₂

Balanced: Fe + 2HCl → FeCl₂ + H₂

Balance: Na₂CO₃ + HCl → NaCl + CO₂ + H₂O

Balanced: Na₂CO₃ + 2HCl → 2NaCl + CO₂ + H₂O

Balance: Ca(OH)₂ + H₃PO₄ → Ca₃(PO₄)₂ + H₂O

Balanced: 3Ca(OH)₂ + 2H₃PO₄ → Ca₃(PO₄)₂ + 6H₂O

Balance: Pb(NO₃)₂ + KI → PbI₂ + KNO₃

Balanced: Pb(NO₃)₂ + 2KI → PbI₂ + 2KNO₃ (Yellow precipitate)

Balance: FeCl₃ + NaOH → Fe(OH)₃ + NaCl

Balanced: FeCl₃ + 3NaOH → Fe(OH)₃ + 3NaCl (Brown precipitate)

Balance: NH₃ + H₂SO₄ → (NH₄)₂SO₄

Balanced: 2NH₃ + H₂SO₄ → (NH₄)₂SO₄

Balance: CH₄ + O₂ → CO₂ + H₂O

Balanced: CH₄ + 2O₂ → CO₂ + 2H₂O

Balance: CaCl₂ + Na₂CO₃ → CaCO₃ + NaCl

Balanced: CaCl₂ + Na₂CO₃ → CaCO₃ + 2NaCl (White precipitate)

Balance: Al(OH)₃ + HCl → AlCl₃ + H₂O

Balanced: Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O

Balance: NaHCO₃ + HCl → NaCl + H₂O + CO₂

Balanced: NaHCO₃ + HCl → NaCl + H₂O + CO₂

Balance: KOH + H₃PO₄ → K₃PO₄ + H₂O

Balanced: 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O

Balance: Calcium hydroxide + Hydrochloric acid → Calcium chloride + Water

Balanced: Ca(OH)₂ + 2HCl → CaCl₂ + 2H₂O

Balance: Sulfuric acid + Sodium hydroxide → Sodium sulfate + Water

Balanced: H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

Balance: Silver nitrate + Sodium chloride → Silver chloride + Sodium nitrate

Balanced: AgNO₃ + NaCl → AgCl + NaNO₃ (White precipitate)

Balance: Magnesium sulfate + Barium chloride → Barium sulfate + Magnesium chloride

Balanced: MgSO₄ + BaCl₂ → BaSO₄ + MgCl₂ (White precipitate)

Balance: Hydrochloric acid + Potassium hydroxide → Potassium chloride + Water

Balanced: HCl + KOH → KCl + H₂O

Balance: Ammonia + Oxygen → Nitrogen monoxide + Water

Balanced: 4NH₃ + 5O₂ → 4NO + 6H₂O

Balance: Potassium dichromate + Iron(II) chloride → Chromium(III) chloride + Potassium chloride + Iron(III) chloride

Balanced: K₂Cr₂O₇ + 6FeCl₂ + 14HCl → 2CrCl₃ + 6FeCl₃ + 2KCl + 7H₂O

Balance: Calcium carbonate → Calcium oxide + Carbon dioxide

Balanced: CaCO₃ → CaO + CO₂

Balance: Aluminum sulfate + Sodium hydroxide → Aluminum hydroxide + Sodium sulfate

Balanced: Al₂(SO₄)₃ + 6NaOH → 2Al(OH)₃ + 3Na₂SO₄

Balance: Lead(II) nitrate + Sodium iodide → Lead(II) iodide + Sodium nitrate

Balanced: Pb(NO₃)₂ + 2NaI → PbI₂ + 2NaNO₃ (Yellow precipitate)

Balance: Methane + Oxygen → Carbon dioxide + Water

Balanced: CH₄ + 2O₂ → CO₂ + 2H₂O

Balance: Iron(III) chloride + Sodium hydroxide → Iron(III) hydroxide + Sodium chloride

Balanced: FeCl₃ + 3NaOH → Fe(OH)₃ + 3NaCl (Brown precipitate)

Balance: Copper(II) sulfate + Sodium hydroxide → Copper(II) hydroxide + Sodium sulfate

Balanced: CuSO₄ + 2NaOH → Cu(OH)₂ + Na₂SO₄ (Blue precipitate)

Balance: Sodium carbonate + Calcium chloride → Calcium carbonate + Sodium chloride

Balanced: Na₂CO₃ + CaCl₂ → CaCO₃ + 2NaCl (White precipitate)

Balance: Phosphoric acid + Sodium hydroxide → Sodium phosphate + Water

Balanced: H₃PO₄ + 3NaOH → Na₃PO₄ + 3H₂O

Balance: Zinc chloride + Ammonium sulfide → Zinc sulfide + Ammonium chloride

Balanced: ZnCl₂ + (NH₄)₂S → ZnS + 2NH₄Cl

Balance: Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water

Balanced: Ca(OH)₂ + CO₂ → CaCO₃ + H₂O

Balance: Sodium sulfide + Silver nitrate → Silver sulfide + Sodium nitrate

Balanced: Na₂S + 2AgNO₃ → Ag₂S + 2NaNO₃ (Black precipitate)

Balance: Nitric acid + Copper(II) carbonate → Copper(II) nitrate + Water + Carbon dioxide

Balanced: 2HNO₃ + CuCO₃ → Cu(NO₃)₂ + H₂O + CO₂;

Balance: Hydrochloric acid + Sodium hydrogen carbonate → Sodium chloride + Water + Carbon dioxide