50 examples of balanced chemical equations with answers

 

Chemical equation

Chemical equations must be balanced when studying chemistry. By understanding this process, we can comprehend the mechanics of reactions and how substances change into forms. The mass is conserved by ensuring equal numbers of atoms for each element on both sides of the equation. This article will explore 50 instances of balanced chemical equations, ranging from simple to complex ones. Additionally, you will discover tips and tricks. You want a PDF version of these 50 Examples of Balanced Chemical Equations. Click here. You want to know how the Balanced Chemical Equation Calculator works. 


Why Balancing Chemical Equations is Important

Balancing chemical equations is crucial for many reasons. 

1. The Law, of Conservation of Mass ensures that the atom count in each component matches on both sides of the equation. 

2. Reaction Types. Balancing aids in forecasting the kind and quantity of products resulting from a reaction. 

3. Quantitative Insights. It assists in deciding the portions of the reacting entities and makes it possible to develop experiments.

How to Balance a Chemical Equation Step-by-Step

Here's a step-by-step guide. 

1. Identify the substances involved in the reaction and the resulting products. Begin by noting the chemical equation.

2. Count Element Atoms Figure out how many atoms of each element are in the reactants and products. 

3. Adjust Coefficients Change the coefficients (the numbers in front of compounds) to achieve balance. 

4. Verify Balance Make sure the number of atoms for each element is the same on both sides. 

5. Simplify If Necessary Ensure that the coefficients are presented in their simplest ratio.


50 Examples of Balanced Chemical Equations

1. Hydrogen + Oxygen → Water
Unbalanced: H₂ + O₂ → H₂O
Balanced: 2H₂ + O₂ → 2H₂O

2. Nitrogen + Hydrogen → Ammonia
Unbalanced: N₂ + H₂ → NH₃
Balanced: N₂ + 3H₂ → 2NH₃


3. Sodium + Chlorine → Sodium Chloride
Unbalanced: Na + Cl₂ → NaCl
Balanced: 2Na + Cl₂ → 2NaCl

4.Carbon + Oxygen → Carbon Dioxide
Unbalanced: C + O₂ → CO₂
Balanced: C + O₂ → CO₂

5.Magnesium + Oxygen → Magnesium Oxide
Unbalanced: Mg + O₂ → MgO
Balanced: 2Mg + O₂ → 2MgO

6.Methane + Oxygen → Carbon Dioxide + Water
Unbalanced: CH₄ + O₂ → CO₂ + H₂O
Balanced: CH₄ + 2O₂ → CO₂ + 2H₂O

7.Butane + Oxygen → Carbon Dioxide + Water
Unbalanced: C₄H₁₀ + O₂ → CO₂ + H₂O
Balanced: 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O

8.Ethanol + Oxygen → Carbon Dioxide + Water
Unbalanced: C₂H₅OH + O₂ → CO₂ + H₂O
Balanced: C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O

9.Ethene + Oxygen → Carbon Dioxide + Water

Unbalanced: C₂H₄ + O₂ → CO₂ + H₂O
Balanced: C₂H₄ + 3O₂ → 2CO₂ + 2H₂O

10.Calcium Carbonate + Hydrochloric Acid → Calcium Chloride + Carbon Dioxide + Water
Unbalanced: CaCO₃ + HCl → CaCl₂ + CO₂ + H₂O
Balanced: CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O

11. Sodium Hydroxide + Hydrochloric Acid → Sodium Chloride + Water
Unbalanced: NaOH + HCl → NaCl + H₂O
Balanced: NaOH + HCl → NaCl + H₂O

12. Sodium + Water → Sodium Hydroxide + Hydrogen
Unbalanced: Na + H₂O → NaOH + H₂
Balanced: 2Na + 2H₂O → 2NaOH + H₂

13. Sulfuric Acid + Sodium Hydroxide → Sodium Sulfate + Water
Unbalanced: H₂SO₄ + NaOH → Na₂SO₄ + H₂O
Balanced: H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

14. Iron + Chlorine → Iron(III) Chloride
Unbalanced: Fe + Cl₂ → FeCl₃
Balanced: 2Fe + 3Cl₂ → 2FeCl₃

15. Zinc + Hydrochloric Acid → Zinc Chloride + Hydrogen
Unbalanced: Zn + HCl → ZnCl₂ + H₂
Balanced: Zn + 2HCl → ZnCl₂ + H₂

16. Calcium + Water → Calcium Hydroxide + Hydrogen
Unbalanced: Ca + H₂O → Ca(OH)₂ + H₂
Balanced: Ca + 2H₂O → Ca(OH)₂ + H₂

17. Phosphorus + Oxygen → Phosphorus Pentoxide
Unbalanced: P + O₂ → P₂O₅
Balanced: 4P + 5O₂ → 2P₂O₅

18. Aluminum + Oxygen → Aluminum Oxide
Unbalanced: Al + O₂ → Al₂O₃
Balanced: 4Al + 3O₂ → 2Al₂O₃

19. Magnesium + Hydrochloric Acid → Magnesium Chloride + Hydrogen
Unbalanced: Mg + HCl → MgCl₂ + H₂
Balanced: Mg + 2HCl → MgCl₂ + H₂

20. Hydrogen Peroxide → Water + Oxygen
Unbalanced: H₂O₂ → H₂O + O₂
Balanced: 2H₂O₂ → 2H₂O + O₂

21.Sodium Bicarbonate + Hydrochloric Acid → Sodium Chloride + Carbon Dioxide + Water

Unbalanced: NaHCO₃ + HCl → NaCl + CO₂ + H₂O
Balanced: NaHCO₃ + HCl → NaCl + CO₂ + H₂O

22.Sodium Carbonate + Hydrochloric Acid → Sodium Chloride + Water + Carbon Dioxide

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

23. Copper + Sulfur → Copper(I) Sulfide
Unbalanced: Cu + S → Cu₂S
Balanced: 2Cu + S → Cu₂S

24. Potassium Chlorate → Potassium Chloride + Oxygen
Unbalanced: KClO₃ → KCl + O₂
Balanced: 2KClO₃ → 2KCl + 3O₂

25. Ammonium Nitrate → Nitrous Oxide + Water
Unbalanced: NH₄NO₃ → N₂O + H₂O
Balanced: NH₄NO₃ → N₂O + 2H₂O

26. Copper(II) Sulfate + Sodium Hydroxide → Copper(II) Hydroxide + Sodium Sulfate

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

27.Hydrochloric Acid + Potassium Hydroxide → Potassium Chloride + Water

Unbalanced: HCl + KOH → KCl + H₂O
Balanced: HCl + KOH → KCl + H₂O

28. Magnesium Carbonate + Hydrochloric Acid → Magnesium Chloride + Water + Carbon Dioxide
Unbalanced: MgCO₃ + HCl → MgCl₂ + H₂O + CO₂
Balanced: MgCO₃ + 2HCl → MgCl₂ + H₂O + CO₂

29. Sodium Hydroxide + Sulfuric Acid → Sodium Sulfate + Water
Unbalanced: NaOH + H₂SO₄ → Na₂SO₄ + H₂O
Balanced: 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

30. Iron(III) Oxide + Carbon → Iron + Carbon Dioxide

Unbalanced: Fe₂O₃ + C → Fe + CO₂
Balanced: 2Fe₂O₃ + 3C → 4Fe + 3CO₂

31. Calcium Hydroxide + Carbon Dioxide → Calcium Carbonate + Water
Unbalanced: Ca(OH)₂ + CO₂ → CaCO₃ + H₂O
Balanced: Ca(OH)₂ + CO₂ → CaCO₃ + H₂O

32. Potassium + Water → Potassium Hydroxide + Hydrogen
Unbalanced: K + H₂O → KOH + H₂
Balanced: 2K + 2H₂O → 2KOH + H₂

33. Ammonia + Oxygen → Nitrogen + Water
Unbalanced: NH₃ + O₂ → N₂ + H₂O
Balanced: 4NH₃ + 3O₂ → 2N₂ + 6H₂O

34. Sulfur Dioxide + Oxygen → Sulfur Trioxide
Unbalanced: SO₂ + O₂ → SO₃
Balanced: 2SO₂ + O₂ → 2SO₃

35. Aluminum + Hydrochloric Acid → Aluminum Chloride + Hydrogen
Unbalanced: Al + HCl → AlCl₃ + H₂
Balanced: 2Al + 6HCl → 2AlCl₃ + 3H₂

36. Sodium Sulfate + Barium Chloride → Barium Sulfate + Sodium Chloride
Unbalanced: Na₂SO₄ + BaCl₂ → BaSO₄ + NaCl
Balanced: Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl

37. Hydrochloric Acid + Zinc → Zinc Chloride + Hydrogen

Unbalanced: HCl + Zn → ZnCl₂ + H₂
Balanced: 2HCl + Zn → ZnCl₂ + H₂

38. Sodium Phosphate + Calcium Chloride → Calcium Phosphate + Sodium Chloride
Unbalanced: Na₃PO₄ + CaCl₂ → Ca₃(PO₄)₂ + NaCl
Balanced: 2Na₃PO₄ + 3CaCl₂ → Ca₃(PO₄)₂ + 6NaCl

39. Hydrogen + Chlorine → Hydrogen Chloride

Unbalanced: H₂ + Cl₂ → HCl
Balanced: H₂ + Cl₂ → 2HCl

40. Sulfuric Acid + Magnesium → Magnesium Sulfate + Hydrogen
Unbalanced: H₂SO₄ + Mg → MgSO₄ + H₂
Balanced: H₂SO₄ + Mg → MgSO₄ + H₂

41. Lead(II) Nitrate + Potassium Iodide → Lead(II) Iodide + Potassium Nitrate
Unbalanced: Pb(NO₃)₂ + KI → PbI₂ + KNO₃
Balanced: Pb(NO₃)₂ + 2KI → PbI₂ + 2KNO₃

42. Sodium + Oxygen → Sodium Oxide
Unbalanced: Na + O₂ → Na₂O
Balanced: 4Na + O₂ → 2Na₂O

43.Iron(III) Oxide + Hydrogen → Iron + Water
Unbalanced: Fe₂O₃ + H₂ → Fe + H₂O
Balanced: Fe₂O₃ + 3H₂ → 2Fe + 3H₂O

44.Calcium + Nitrogen → Calcium Nitride
Unbalanced: Ca + N₂ → Ca₃N₂
Balanced: 3Ca + N₂ → Ca₃N₂

45. Copper + Silver Nitrate → Copper(II) Nitrate + Silver
Unbalanced: Cu + AgNO₃ → Cu(NO₃)₂ + Ag
Balanced: Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag

46.Hydrochloric Acid + Potassium Carbonate → Potassium Chloride + Water + Carbon Dioxide
Unbalanced: HCl + K₂CO₃ → KCl + H₂O + CO₂
Balanced: 2HCl + K₂CO₃ → 2KCl + H₂O + CO₂

47.Barium Chloride + Sodium Sulfate → Barium Sulfate + Sodium Chloride
Unbalanced: BaCl₂ + Na₂SO₄ → BaSO₄ + NaCl
Balanced: BaCl₂ + Na₂SO₄ → BaSO₄ + 2NaCl

48.Ammonium Chloride + Sodium Hydroxide → Sodium Chloride + Ammonia + Water
Unbalanced: NH₄Cl + NaOH → NaCl + NH₃ + H₂O
Balanced: NH₄Cl + NaOH → NaCl + NH₃ + H₂O

49. Iron + Oxygen → Iron(III) Oxide
Unbalanced: Fe + O₂ → Fe₂O₃
Balanced: 4Fe + 3O₂ → 2Fe₂O₃

50. Hydrogen + Nitrogen → Ammonia
Unbalanced: H₂ + N₂ → NH₃
Balanced: 3H₂ + N₂ → 2NH₃

Balanced chemical equations are not only important in academic chemistry but also in different realistic aspects of generation. Supercritical CO₂ procedure intensification is properly carried out by theoretical processes. A balanced chemical principle is used to control the temperature and stress. Sodium reacts with chlorine to produce sodium chloride. Fuels are combusted in internal combustion engines. One-of-a-kind outcomes will generate differing controls in the reaction temperature and pressure. So, if you want more knowledge and daily updates join our WhatsApp and Telegram groups for regular updates you see the logo on the right side of the contact page.

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