1. Identify the type of reaction each of the following belongs to.

 

In Class Activities:

 

a. AlCl3(aq) + Na2CO3(aq) Al2(CO3)3(s) + NaCl(aq)

Double Displacement

 

b. Cl2 + P PCl3

Formation/synthesis

 

c. C8H18 + O2 CO2 + H2O

Combustion

 

d. Li2S + Br2 2LiBr + S

Single Displacement

 

e. H2CO3 H2O + CO2

Decomposition

 

Outside of Class:

 

a. Ba(C2H3O2)2(aq) + 2HNO3(aq) Ba(NO3)2(aq) + 2HC2H3O2(aq)

Double Displacement

 

b. H2S(g) H2(g) + S(s)

Decomposition

c. Pb + 2CuCl PbCl2 + Cu

Single Displacement

 

d. CH2CO(g) + 2 O2(g) 2 CO2(g) + H2O(g)

Combustion

e. HCl + NaOH NaCl + H2O

Double Displacement (neutralization)

 

2. Balance the Following Equations. Remember tricks for combustion, single and double replacement reactions.

 

a. Write out and balance the following equation describing the following reaction: Barium phosphate and ammonium chlorate are produced when ammonium phosphate reacts with barium chlorate.

 

3Ba(ClO3)2 + 2(NH4)3PO4 Ba3(PO4)2 + 6NH4ClO3

 

 

 

b. Write out and balance the equation for the combustion of propane (C3H8)

 

C3H8 + 5O2 3CO2 + 4H2O

 

c. Write out and balance the equation for the combustion of butane (C4H10)

 

2C4H10 + 13O2 8CO2 + 10H2O

 

d. Write out and balance the equation for the combustion of ethanol (C2H5OH)

 

C2H5OH + 3O2 2CO2 + 3H2O

 

e. Write out and balance the equation describing the formation of calcium phosphate from the reaction of phosphoric acid and calcium hydroxide. Water is the other product.

 

2H3PO4 + 3Ca(OH)2 Ca3(PO4)2 + 6H2O

 

*Do the following problems on your own time.

 

a. Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq)

 

b. 2C8H18 + 25O2 16CO2 + 18H2O

 

c. 2AlCl3(aq) + 3Na2CO3(aq) Al2(CO3)3(s) + 6NaCl(aq)

 

d. P2O5 + 3H2O 2H3PO4

 

e. 2Na3PO4 + 3Ba(NO3)2 Ba3(PO4)2 + 6NaNO3

f. 2Al + 3Fe(NO3)2 2Al(NO3)3 + 3Fe

 

g. Al2O3 + 3H2SO4 Al2(SO4)3 + 3H2O

 

h. 2H2S + SO2 3S + 2H2O

 

i. C9H20 + 14O2 9CO2 + 10H2O

 

j. Decomposition of ammonium carbonate into ammonia, carbon dioxide and water.

 

(NH4)2CO3 2NH3 + CO2 + H2O

 

 

k. Formation of Chlorine trifluoride from chlorine and fluorine

 

Cl2 + 3F2 2ClF3

 

l. Formation of Silicon dioxide and hydrochloric acid from silicon tetrachloride and water.

 

SiCl4 + 2H2O SiO2 + 4HCl

 

m. Copper reacts with silver nitrate to form copper(II)nitrate and silver.

 

Cu + 2AgNO3 Cu(NO3)2 + 2Ag