Chapter 7 Worksheet #1                                                Name _________________________

 

Balance the following equations.

 

1.       N2   +   H2    →   NH3

 

2.       KClO    →       KCl  +    O2

 

3.       NaCl  +   F2     →      NaF    +    Cl2

 

4.       H2    +    O2     →     H2O

 

5.       AgNO3    +   MgCl2      →      AgCl    +    Mg(NO3)2

 

6.       AlBr3  +    K2SO4    →      KBr    +     Al2(SO4)3

 

7.       CH4    +    O2     →    CO2    +    H2O

 

8.       C3H8   +    O2    →    CO2   +    H2O

 

9.       C8H18   +   O2   →    CO2    +    H2O

 

10.     FeCl3    +   NaOH   →    Fe(OH)3   +    NaCl

 

11.     P   +   O2   →    P2O5

 

12.     Na  +   H2O   →    NaOH     +    H2

 

13.     Ag2O   →   Ag    +     O2

 

14.     S8    +    O2   →   SO3

 

15.     CO2     +   H2O   →   C6H12O6   +   O2

 

16.     K   +  MgBr2   →   KBr    +   Mg

 

17.     HCl   +   CaCO3   →   CaCl2   +   H2O   +  CO2

Write the word equations below as chemical equations and balance.

1. Zinc + Lead (II) nitrate yield zinc (II) nitrate + lead

2. Aluminum bromide + chlorine yield aluminum chloride + bromine

3. Sodium phosphate + calcium chloride yield calcium phosphate + sodium chloride

4. Potassium chlorate when heated yields potassium chloride + oxygen gas

5. Aluminum + hydrochloric acid yield aluminum chloride + hydrogen gas

6. Calcium hydroxide + phosphoric acid yield calcium phosphate + water

7. Copper + sulfuric acid yield copper (II) sulfate + water + sulfur dioxide

8. Hydrogen + nitrogen monoxide yield water + nitrogen