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