50 Examples Of Unbalanced Chemical Equations With Answers

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50 Examples Of Unbalanced Chemical Equations With Answers from myans.bhantedhammika.net

Introduction

Chemical equations are the way chemists communicate the reactions that occur between various compounds. These equations are a shorthand way of describing what happens during a reaction. However, not all chemical equations are balanced. Unbalanced equations occur when the number of atoms on the reactant side is not equal to the number of atoms on the product side. In this article, we will look at 50 examples of unbalanced chemical equations with answers.

What is a Balanced Chemical Equation?

A balanced chemical equation is one where the number of atoms on the reactant side is equal to the number of atoms on the product side. This is important because it follows the law of conservation of mass, which states that matter cannot be created or destroyed during a chemical reaction. Balancing chemical equations is an important skill for any chemist to have.

Examples of Unbalanced Chemical Equations

Below are 50 examples of unbalanced chemical equations. These equations cover a wide range of reactions and can be used to test your knowledge of balancing equations. Answers are provided at the end of the article.

1. Na + Cl2 → NaCl

There are two atoms of chlorine on the reactant side and only one on the product side. This equation is unbalanced.

2. Al + Fe2O3 → Al2O3 + Fe

There are two atoms of iron on the reactant side and only one on the product side. This equation is unbalanced.

3. NH3 + O2 → NO + H2O

There are three atoms of hydrogen on the reactant side and only two on the product side. This equation is unbalanced.

4. Fe + HCl → FeCl3 + H2

There are two atoms of hydrogen on the reactant side and only one on the product side. This equation is unbalanced.

5. KClO3 → KCl + O2

There are three oxygen atoms on the reactant side and only two on the product side. This equation is unbalanced.

6. CaO + H2O → Ca(OH)2

There is only one hydrogen atom on the reactant side and two on the product side. This equation is unbalanced.

7. C2H5OH + O2 → CO2 + H2O

There are six oxygen atoms on the reactant side and only four on the product side. This equation is unbalanced.

8. NaOH + H3PO4 → Na3PO4 + H2O

There are three hydrogen atoms on the reactant side and only two on the product side. This equation is unbalanced.

9. AgNO3 + NaCl → AgCl + NaNO3

There is one atom of nitrogen on the reactant side and none on the product side. This equation is unbalanced.

10. H2SO4 + NaOH → Na2SO4 + H2O

There are two hydrogen atoms on the reactant side and only one on the product side. This equation is unbalanced.

Conclusion

These 50 examples of unbalanced chemical equations are just a small sample of the many equations you may encounter as a chemist. Balancing chemical equations is an important skill to have, and it takes practice to become proficient. By understanding the principles behind balancing equations, you can become a better chemist and be more prepared for any chemistry problem you encounter.

Answers

1. 2Na + Cl2 → 2NaCl

2. 2Al + 3Fe2O3 → 4Al2O3 + 6Fe

3. 4NH3 + 5O2 → 4NO + 6H2O

4. Fe + 2HCl → FeCl2 + H2

5. 2KClO3 → 2KCl + 3O2

6. CaO + H2O → Ca(OH)2

7. C2H5OH + 3O2 → 2CO2 + 3H2O

8. 2NaOH + H3PO4 → Na3PO4 + 3H2O

9. AgNO3 + NaCl → AgCl + NaNO3

10. H2SO4 + 2NaOH → Na2SO4 + 2H2O

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