Honors Chemistry                                                        Name__________________________

Completing and Balancing Reactions PMP

Mr. McAfoos                                                              Period_______ Date______________

 

A. Complete and balance the following double displacement reactions:

1.  BaCl2(aq) +   AgNO 3(aq) ---->

2.  Mg(NO3) 2(aq) +  NaCl ---->

3. Aqueous solutions of potassium oxide and copper (II) chloride

4. aqueous sodium carbonate and barium acetate dissolved in water

5. solutions of zinc acetate and lithium chlorate

6. iron (III) bromide and ammonium phosphate, both in solution

7. aqueous hydrogen chloride and ammonium sulfide

8. solutions of lithium hydroxide and copper (II) chloride

9. aqueous strontium iodide and hydrogen sulfate

10. hydrogen sulfate and ammonium hydroxide both dissolved in water

 

B. Complete and balance the following single replacement reactions:

1.   Ca(s) +   ZnSO4(aq)  ---->

2.   Cu(s) +   AuCl(aq)  ---->

3.   Fe(s) +   Ni3(PO 4) 2(aq) ---->

4.   K(s) +   NaF(aq) ---->

5.   PbSO3(aq) +   Sn(s) ---->

6.   Na(s) +   H2S(aq) ---->

7. Barium metal and aqueous aluminum phosphate

8. Aluminum metal and copper (II) sulfate dissolved in water

9. hydrogen gas and aqueous copper (II) chloride (treat hydrogen gas like a solid metal)

10. ZnS(aq) and calcium metal

11. Al(s) reacting with H2SO 4

12. lithium and water

 

C. Complete the following reactions and balance them.

1.   Ca(s) +   BaCl2(aq) ---->

2. nickel metal and tin (II) cyanide

3. metallic lithium and a solution of lead (IV) acetate

4. tin and iron (III) oxide

5. mercury (II) nitrate and aluminum

 

D. Write equations for the combustion of the following compounds and balance them.

1)   C3H 6

2)   CH4

3)   CO2

4)   Fe

5)   C20H 18O 6

6)     HC2H 3O 2

 

E. Write equations for the following double replacement reactions and balance them.

1)   NaCl(aq) +   AgNO3(aq)  --->

2)   BaCl2(aq) +   Al 2(SO 4) 3(aq) --->

3) aqueous cadmium (II) chloride and aqueous dihydrogen sulfide

4) aqueous solutions of iron (III) nitrate and lithium hydroxide

5) A reaction where the products are aqueous ammonium chloride and solid barium sulfate

6) A reaction where the products are Ag2S(s) and HNO 3(aq)

 

F. Write and balance equations for the following reactions.

1) Aqueous potassium oxalate and aqueous magnesium chloride react to form solid magnesium and oxalate and aqueous potassium chloride.

2) Solid copper (II) carbonate decomposes when heated to form carbon dioxide gas and solid copper (II) oxide.

 

G. Balance the following equations.

1)   Al(s) +   CuCl2 --->   AlCl 3  +   Cu

2)   H2O 2  --------->  H 2O  +   O 2

3)   Fe3O 4 +   H 2  ---->   Fe +   H 2O

4)   C6H 5OH +   O 2 --->   CO 2 +   H 2O

5)   BaCl2 +   H 3PO 4 --->   Ba  3(PO 4) 2 +   HCl

 

H. Balance each of the following equations and label it as one of the five basic types of reactions, double displacement, single displacement, synthesis, decomposition, or combustion.

 

1.   H2O 2 ---->   H 2O +   O 2                  reaction type________________

2.   Fe +   O2 ---->   Fe 2O 3             reaction type________________

3.   BaCl2 +   H 3PO 4 ---->   Ba 3(PO 4) 2 +   HCl

                                                                                    reaction type________________

4.   NH3 +   CO 2 +   H 2O ---->   (NH 4) 2CO 3

                                                                                    reaction type________________

 

I. Complete and balance each of the following equations.

1.   H3PO 4(aq) +   Na 2S(aq) ---->

2.   K +   CaCl 2 ---->

3.   Aqueous solutions of copper (II) chloride and silver (I) nitrate reacting together.

4. Combustion of C 3H 6

5.    C3H 8 +   O 2 ---->

6. aluminum metal and a solution of iron (III) nitrate

7.   Ag +   Mg(NO3) 2(aq) ---->

8.   NaCl(aq) +   Al2(SO 4) 3(aq) ---->

9. solutions of magnesium chloride and ammonium carbonate

10. Copper (II) sulfate dissolved in water reacts with hydrogen gas.

11. HC2H 3O 2 burns.