Balancing Equations Worksheet

Writing Complete Equations Practice

For each of the following problems, write complete chemical equations to describe the chemical process taking place. Important note: There are a few physical processes on this sheet – You can’t write an equation for a physical process!

1) When lithium hydroxide pellets are added to a solution of sulfuric acid (dihydrogen sulfate), lithium sulfate and water are formed.

2) When dirty water is boiled for purification purposes, the temperature is brought up to 1000 C for 15 minutes.

3) If a copper coil is placed into a solution of silver nitrate, silver crystals form on the surface of the copper. Additionally, highly soluble copper (I) nitrate is generated.

4) When crystalline C6H12O6 is burned in oxygen, carbon dioxide and water vapor are formed.

5) When a chunk of palladium metal is ground into a very fine powder and heated to drive off any atmospheric moisture, the resulting powder is an excellent catalyst for chemical reactions.

Balancing Chemical Equations

Balance the equations below:

1) ____ N2 + ____ H2  ____ NH3

2) ____ KClO3  ____ KCl + ____ O2

3) ____ NaCl + ____ F2  ____ NaF + ____ Cl2

4) ____ H2 + ____ O2  ____ H2O

5) ____ Pb(OH)2 + ____ HCl  ____ H2O + ____ PbCl2

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 + ____ MgBr  ____ KBr + ____ Mg

17) ____ HCl + ____ CaCO3  ____ CaCl2 + ____H2O + ____ CO2

18) ____ HNO3 + ____ NaHCO3  ____ NaNO3 + ____ H2O + ____ CO2

19) ____ H2O + ____ O2  ____ H2O2

20) ____ NaBr + ____ CaF2  ____ NaF + ____ CaBr2

21) ____ H2SO4 + ____ NaNO2  ____ HNO2 +