Balancing Equations

Front

What is the left part of a chemical equation called?
2H₂ + O₂ ---> 2H₂O

Back

Reactants

Front

What is the right part of a chemical equation called?

2H₂ + O₂ ---> 2H₂O

Back

Products

Front

Total number of atoms in 5Na₃PO₄?

Back

40

Front

How many Mn atoms are found in the compound 2MnO₄?

Back

2

Front

What is the little number after an element in a chemical equation called? Example: H₂

Back

Subscript

Front

Is the following equation balanced? Al + O₂ ---> 2Al₂O₃

Back

NO

Front

What is the number before a chemical formula called? Example: 2H₂ + O₂ ---> 2H₂O

Back

Coefficient

Front

Which of the following equations are correctly balanced?
1. 12CO₂ + H₂O ---> C₆H₁₂O₆ + O₂
2. CO₂ + H₂O ---> 3C₆H₁₂O₆ + O₂
3. CO₂ + 9H₂O ---> C₆H₁₂O₆ + O₂
4. 6CO₂ + 6H₂O ---> C₆H₁₂O₆ + 6O₂

Back

6CO₂ + 6H₂O ---> C₆H₁₂O₆ + 6O₂

Front

Balance this equation: H₂ + Cl₂ ---> HCl

Back

H₂ + Cl₂ ---> 2HCl

Front

Balance this equation: HgO ---> 2Hg + O₂

Back

2HgO ---> 2Hg + O₂