A Voyage through Equations
After working on this worksheet, you should be able to do the following:
1) Given an equation, you should be able to tell what kind of reaction it is.
2) Predict the products of a reaction when given the reactants.
Section 1: Identify the type of reaction
For the following reactions, indicate whether the following are examples of synthesis, decomposition, combustion, single displacement, double displacement, or acid-base reactions:
1) Na3PO4 + 3 KOH ---> 3 NaOH + K3PO4 _________________________
2) MgCl2 + Li2CO3 ---> MgCO3 + 2 LiCl _________________________
3) C6H12 + 9 O2 ---> 6 CO2 + 6 H2O _________________________
4) Pb + FeSO4 ---> PbSO4 + Fe _________________________
5) CaCO3 ---> CaO + CO2 _________________________
6) P4 + 3 O2 ---> 2 P2O3 _________________________
7) 2 RbNO3 + BeF2 ---> Be(NO3)2 + 2 RbF ________________________
8) 2 AgNO3 + Cu ---> Cu(NO3)2 + 2 Ag ________________________
9) C3H6O + 4 O2 ---> 3 CO2 + 3 H2O _________________________
10) 2 C5H5 + Fe ---> Fe(C5H5)2 _________________________
11) SeCl6 + O2 ---> SeO2 + 3Cl2 _________________________
12) 2 MgI2 + Mn(SO3)2 ---> 2 MgSO3 + MnI4 _________________________
13) O3 ---> O. + O2 _________________________
14) 2 NO2 ---> 2 O2 + N2_________________________
Section 2: Practicing equation balancing
Before you can write a balanced equation for a problem which asks you to predict the products of a reaction, you need to know how to balance an equation. Because some of you may not fully remember how to balance an equation, here are some practice problems:
1) __ C6H6 + __ O2 ---> __ H2O + __ CO2
2) __ NaI + __ Pb(SO4)2 --->__ PbI4 + __ Na2SO4
3) __ NH3 + __ O2 --->__ NO + __ H2O
4) __ Fe(OH)3 --->__ Fe2O3 + __ H2O
5) __ HNO3 + __ Mg(OH)2 --->__H2O + __ Mg(NO3)2
6) __ H3PO4 + __ NaBr ---> __ HBr + __ Na3PO4
7) __ C + __ H2 ---> __ C3H8
8) __ CaO + __ MnI4 ---> __ MnO2 + __ CaI2
9) __ Fe2O3 + __ H2O ---> __ Fe(OH)3
10) __ C2H2 + __ H2 ---> __ C2H6
11) __ VF5 + __ HI ---> __ V2I10 + __ HF
12) __ OsO4 + __ PtCl4 ---> __ PtO2 + __ OsCl8
13) __ CF4 + __ Br2 ---> __ CBr4 + __ F2
14) __ Hg2I2 + __ O2 ---> __ Hg2O + __ I2
15) __ Y(NO3)2 + __ GaPO4 ---> __ YPO4 + __ Ga(NO3)2
Section 3: Predicting the products of chemical reactions
Predict the products of the following reactions:
1) __ Ag + __CuSO4 --->
Type:___________________________
2) __ NaI + __ CaCl2 --->
Type:___________________________
3) __ O2 + __ H2 --->
Type:___________________________
4) __ HNO3 + __ Mn(OH)2 --->
Type:___________________________
5) __ AgNO2 + __ BaSO4 --->
Type:___________________________
6) __ HCN + __ CuSO4 --->
Type:___________________________
7) __ H2O + __ AgI --->
Type:___________________________
8) __ HNO3 + __Fe(OH)3 --->
Type:___________________________
9) __ LiBr + __ Co(SO3)2 --->
Type:___________________________
10) __ LiNO3 + __Ag --->
Type:___________________________
11) __ N2 + __ O2 --->
Type:___________________________
12) __ H2CO3 --->
Type:___________________________
13) __ AlCl3 + __ Cs --->
Type:___________________________
14) __ Al(NO3)3 + __ Ga --->
Type:___________________________
15) __ H2SO4 + __ NH4OH --->
Type:___________________________
16) __ CH3COOH + __ O2 --->
Type:___________________________
17) __ C4H8 + __ O2 --->
Type:___________________________
18) __ KCl + __ Mg(OH)2 --->
Type:___________________________
19) __ Zn + __ Au(NO2)2 --->
Type:___________________________
20) __ KOH + __ H2SO4 --->
Type:___________________________
21) __ BaS + __ PtCl2 --->
Type:___________________________
22) __ Na2O --->
Type:___________________________
A Voyage through Equations ANSWER KEY
Section 1: Identify the type of reaction
1) Na3PO4 + 3 KOH ---> 3 NaOH + K3PO4 DOUBLE DISPLACEMENT
2) MgCl2 + Li2CO3 ---> MgCO3 + 2 LiCl DOUBLE DISPLACEMENT
3) C6H12 + 9 O2 ---> 6 CO2 + 6 H2O COMBUSTION
4) Pb + FeSO4 ---> PbSO4 + Fe SINGLE DISPLACEMENT
5) CaCO3 ---> CaO + CO2 DECOMPOSITION
6) P4 + 3 O2 ---> 2 P2O3 SYNTHESIS
7) 2 RbNO3 + BeF2 ---> Be(NO3)2 + 2 RbF DOUBLE DISPLACEMENT
8) 2 AgNO3 + Cu ---> Cu(NO3)2 + 2 Ag SINGLE DISPLACEMENT
9) C3H6O + 4 O2 ---> 3 CO2 + 3 H2O COMBUSTION
10) 2 C5H5 + Fe ---> Fe(C5H5)2 SYNTHESIS
11) SeCl6 + O2 ---> SeO2 + 3Cl2 SINGLE DISPLACEMENT
12) 2 MgI2 + Mn(SO3)2 ---> 2 MgSO3 + MnI4 DOUBLE DISPLACEMENT
13) O3 ---> O. + O2 DECOMPOSITION
14) 2 NO2 ---> 2 O2 + N2 DECOMPOSITION
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