Name: 
 

Chemistry -- Balancing Equations



Completion
Complete each sentence or statement.
 

 1. 

Balance this chemical equation: (Note:  Answer format is   x,x---x,x   with NO SPACES!)

     NaOH       +      H3PO4 ----->       Na3PO4    +    H2O
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sodium Hydroxide       Phosphoric Acid             Sodium Phosphate          Water
 

 

 2. 

Balance this chemical equation: (Note:  Answer format is   x,x---x,x   with NO SPACES!)

     CO2      +    H2O      ----->    C6H12O6    +    O2
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Carbon Dioxide           Water                             Sugar                  Oxygen
 

 

 3. 

Balance this chemical equation: (Note:  Answer format is   x,x---x   with NO SPACES!)

       N2    +      H2     ---->       NH3
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
     Nitrogen            Hydrogen                Ammonia
 

 

 4. 

Balance this chemical equation: (Note:  Answer format is   x,x---x   with NO SPACES!)

        Al        +      Cl2   ----->         AlCl3
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
        Aluminum            Chlorine                 Aluminum Chloride
 

 

 5. 

Balance this chemical equation: (Note:  Answer format is   x,x---x,x   with NO SPACES!)

     NO2       +     H2O ----->    NO         +    HNO3
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
       Nitrogen                 water                  nitrous oxide         nitric acid
       dioxide
 

 

 6. 

Balance this chemical equation: (Note:  Answer format is   x,x---x,x   with NO SPACES!)

     Cu2O    +    C ----->    Cu       +         CO2
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    Copper Oxide       Carbon             Copper            Carbon Dioxide
 

 

 7. 

Balance this chemical equation: (Note:  Answer format is   x,x---x   with NO SPACES!)

     H2          +         O2         ----->    H2O
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
   Hydrogen                        Oxygen                         Water
 

 

 8. 

Balance this chemical equation: (Note:  Answer format is   x,x---x  with NO SPACES!)

     Al       +     O2        ----->        Al2O3   ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Aluminum             Oxygen                          Aluminum Oxide
                                                                      (Aluminum rust)
 

 

 9. 

Balance this chemical equation: (Note:  Answer format is   x,x---x,x   with NO SPACES!)

     CH4       +        O2     ----->      CO2      +     H2O
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
     Methane                   Oxygen                         Carbon                Water
                                            Dioxide
 

 

 10. 

Balance this chemical equation: (Note:  Answer format is   x,x---x   with NO SPACES!)

     Fe        +      O2      ----->      Fe2O3  
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
       Iron                    Oxygen                      Iron Oxide (rust)