Balancing Chemical Equations

Front

What does the arrow in a chemical equation represent?

Back

Yields

Front

In the equation 2NH₃ + 3CuO → N₂ + ___Cu + 3H₂O, how many Cu are produced?

Back

3

Front

What is the correct ratio of chemicals for the balanced equation AgNO₃ + H₂S → Ag₂S + HNO₃?

Back

2,1 → 1,2

Front

In the equation 3Pb(NO₃)₂ + 2Na₃PO₄ → ___Pb₃(PO₄)₂ + 6NaNO₃, how many Pb₃(PO₄)₂ are produced?

Back

1

Front

In the equation 2H₂ + O₂ → ___H₂O, how many H₂O are produced?

Back

2

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change.

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

How do you balance a chemical equation?

Back

Adjust coefficients to ensure the same number of each type of atom on both sides.