Packet 3
Quarter 4
Assignment 1
Classifying Chemical Reactions
1. A+B----> AB a. decomposition reaction
2. A+BX----> AX + B b. direct combination reaction
3.AX+BY----> AY + BX c. double-replacement reaction
4.AB---->A+B d. single-replacement reaction
Describe in words each of the following types of reactions.
5. direct combination reaction
6. decomposition reaction
7.single-replacement reaction
8.double-replacement reaction
direct combination (dc), decomposition (d) , single-replacement (sr), double-replacemnt (dr)
9.CO2---->C+ O2
10.NaCl- AgNO3----> NaNO3+AgCl
11.S+Cl2---->SCl2
12.BaCl2=2NaOH---->2NaCl+Ba(OH)2
13.Zn+CuSO4---->ZnSO4+Cu
14.CH4---->C+2H2
15.Pb(NO3)2+Mg---->Pb+Mg9NO3)2
9-3 Apply
Josie is investigating various reactions involving copper in her chemistry class.She performs each of the following reactions in the order desribed. Write the unbalanced chemical equation for each of the reactions.
1.Reaction 1: Josie begins with copper nitrate (Cu(N03)2).She adds sodium hydroxide and a new solid is formed.
Unbalanced Equation:_________________________________
2. Reaction 2: Josie removes the copper-containing compound and produced in Reaction 1 and adds it to a beaker containing sulfuric acid (H2SO4)
Unbalanced Equation:_________________________________
3.Reaction 3: Josie adds a piece of zinc to a solution containg the copper compound produced in Reaction 2.
Unbalanced Equation:_________________________________
4.Balance each of the equation in this experiment.
Reaction 1:_________________________________________
Reaction 2:_________________________________________
Reaction 3:_________________________________________
5. Identify the type of reaction that has occured in each step of this experiment.
Reaction 1:_________________________________________
Reaction 2:_________________________________________
Reaction 3:_________________________________________