INGOMAR MIDDLE SCHOOL SCIENCE NAME: ______________________
CHEMISTRY: BALANCING EQUATIONS          Period: ______ Date: __________ Score_____/ 20

 Al/ Copper Sulfate  Lab:   Use IR thermometer for temperature readings.    

 

1. ___Cu ( S O4 )    +      ____Al  + H2 O  ====> ___ Al2 ( S O4 ) 3  + ___ Cu + ___ H2 O   + ___  _______


Copper Sulfate + Aluminum + water ====> Aluminum sulfate  +    Copper   +   water + _____________

                                                                                                endothermic/exothermic/no change ____Deg

Chlorine  Lab:

1. ___Fe  Cl                  +  ___H2 O  ====>  ____________  + _________(endothermic/exothermic/no change)


 

Iron Chloride                + water       ====>      {(__DD____D_____SR_____S_____reaction)}           ____Deg


 

2. ___Ca  Cl                  +  ___H2 O  ====>  ____________  + _________ (endothermic/exothermic/no change)


Calcium Chloride         + water       ====>       {(__DD____D_____SR_____S_____reaction)}              ____Deg


3. ___Na  Cl                  +  ___H2 O  ====>  ____________  + _________ (endothermic/exothermic/no change)


Sodium Chloride          + water      ====>       {(__DD____D_____SR_____S_____reaction)}           ____Deg


 

4. ___Cu   Cl                 +  ___H2 O  ====>  ____________  + _________ (endothermic/exothermic/no change)


 

Cupric Chloride            + water       ====>      {(__DD____D_____SR_____S_____reaction)}           ____Deg
 

 

Reaction Types:

 

1. DOUBLE DECOMPOSITION: A-B  +   C-D  ====>  A-D   +  B-C

 

2. SINGLE REPLACEMENT:                  A    +     B-C  ====>  B     +  A-C

 

3. SYNTHESIS:                                     A      +     B      ====>  A-B

A      +     B-C  ====>  A-B-C

 

                                                            A-B   +    C-D  ====>  A-B-C-D

 

4. DECOMPOSITION:                            A-B          ====>   A       +  B

 

                                                            A-B-C       ====>  A       +  B-C

                                                            A-B-C-D   ====>  A-B    +  C-D