Name: _____________________
Period: ___
I. Chemical Reactions
Write chemical formulas for the reactants and for the products. Balance the chemical equation.
(1) sodium + sulphur
(2) calcium + oxygen
(3) disulphur dichloride + chlorine
(4) barium chloride + ammonium nitrate
(5) lead (II) nitrate + potassium
(6) sodium hydroxide + hydrochloric acid
(7) copper (II) oxide + potassium phosphate
(8) zinc chloride + magnesium
Answers:
(1) 2Na + S
2S
(5) Pb(NO3)2 + 2K
(2) 2Ca + O2
(3) S2Cl2 + Cl2
(4) BaCl2 + 2NH4NO3
(6) NaOH + HCl
2
3)2
+ 2NH4Cl
(7) 3CuO + 2K3PO4
(8) ZnCl2 + Mg
3
2O
+ Pb
+ NaCl (B)
3(PO4)2
2
+ 3K2O
(B)
Name: _____________________
Period: ___
II. Chemical Reactions
Classify the reactions as Synthesis (S), Decomposition (D), Single Replacement (SR), Double Replacement (DR), Combustion (C), or
Neutralization (N). Balance the chemical equations.
______ (1)
Ca +
Cl2
______ (2)
NaBr
______ (3)
CaF2 +
______ (4)
Li +
______ (5)
CH4 +
______ (6)
Ba +
______ (7)
H2SO4 +
______ (8)
NH3
______ (9)
NaC2H3O2 +
2
2
Ag2S
CaCl2
O2
2
+
H2O
3)2
AgNO3
Mg(OH)2
2
+
+
2O
Ag
+
MgSO4
H2
Sr(OH)2
______ (10)
Cs +
I2
______ (11)
Cl2 +
GeS2
______ (12)
ReCl7
______ (13)
NaOH +
H3PO3
______ (14)
OsS2 +
Co(NO3)3
______ (15)
H2O
H2 +
______ (16)
Al +
2H3O2)2
4
+
S
2
O2
3PO3
O2
2O3
+
3)4
H2O
+
Co2S3
______ (17)
C3H8 +
O2
______ (18)
AlPO4 +
______ (19)
Ta +
______ (20)
Ba(OH) 2 +
______ (21)
AlCl3
______ (22)
WI6 +
KMnO4
______ (23)
KBr +
I2
______ (24)
LiClO3 +
______ (25)
C4H10 +
+
2
CaF2
H2O
3
+
Ca3(PO4)2
2O5
O2
HBr
2
+
H2O
2
4)6
+
KI
2
Zr(CO2)2
O2
2CO2
2
+
+
Zr(ClO3)4
H2O
Answers
S (1) Ca + Cl2
DR (14) 3OsS2 + 4Co(NO3)3
(B)
2
D (2) 2NaBr
D (15) 2H2O
2
DR (3) CaF2 + Ag2S
S (16) 4Al + 3O2
SR (4) 2Li + CaCl2
C (17) C3H8 + 5O2
C (5) CH4 + 2O2
2
3)2
N (7) H2SO4 + Mg(OH)2
D (8) 2NH3
2
+ 2Ag
2O
D (21) 2AlCl3
DR (9) 2NaC2H3O2 + Sr(OH)2
2H3O2)2
S (10) 2Cs + I2
+ 4H2O
3
4
+ 2S
2
3PO3 + 3H2O
+ 2H2O
2
DR (22) WI6 + 6KMnO4
4)6
+ 6KI
2
DR (24) 4LiClO3 + Zr(CO2)2
C (25) 2C4H10 + 13O2
2
+ Ca3(PO4)2
2O5
SR (23) 2KBr + I2
SR (11) 2Cl2 + GeS2
N (13) 3NaOH + H3PO3
2
N (20) Ba(OH) 2 + 2HBr
+ 3H2
D (12) 2ReCl7
2O3
S (19) 4Ta + 5O2
+ MgSO4
+ 2Co2S3
+ O2
DR (18) 2AlPO4 + 3CaF2
+ 2H2O
SR (6) Ba +2AgNO3
2
3)4
2CO2
2
+ 10H2O
+ Zr(ClO3)4
Name: _____________________
Period: ___
III. Chemical Reactions
Classify the reactions as Synthesis (S), Decomposition (D), Single Replacement (SR), Double Replacement (DR), Combustion (C), or
Neutralization (N). Predict the products and balance the chemical equation.
______ (1)
Mg +
O2
______ (2)
Na +
CaI2
______ (3)
C5H12 +
______ (4)
Fe2O3
______ (5)
MgI2 +
______ (6)
Br2 +
______ (7)
Mg(OH) 2 +
HF
______ (8)
Fe(NO3)2 +
CaBr2
______ (9)
LiNO2 +
O2
NaBr
Sc2S3
SrC2O4
______ (10)
Cr(SCN)2 +
NiBO3
______ (11)
Al +
______ (12)
KOH +
H2SO3
______ (13)
CuSO4 +
AlBr3
______ (14)
H2 +
______ (15)
PbO2 +
______ (16)
NH4Cl +
______ (17)
Na +
______ (18)
C2H6 +
______ (19)
Al(OH) 3 +
______ (20)
HBr
S
I2
CuCl
S
Al(CN)3
O2
H2CO3
Answers:
S (1) 2Mg + O2
S (11) 2Al + 3S
SR (2) 2Na + CaI2
N (12) 2KOH + H2SO3
C (3) C5H12 +8 O2
D (4) 2Fe2O3
2
+ 6H2O
2SO3
DR (13) 3CuSO4 + 2AlBr3
+ 2H2O
2
+ Al2(SO4)3
S (14) H2 + I2
2
DR (5) MgI2 + 2NaBr
SR (6) 3Br2 + Sc2S3
2S3
3
N (7) Mg(OH) 2 + 2HF
2 + 2NaI
DR (15) PbO2 + 4CuCl
+ 3S
SR (16) 2NH4Cl + S
2
2
DR (9) 2LiNO2 + SrC2O4
2C2O4
DR (10) 3Cr(SCN)2 + 2NiBO3
+ Ca(NO3)2
+ Sr(NO2) 2
3(BO3)2
4)2S
+ 2Cu2O
+ Cl2
SR (17) 3Na + Al(CN)3
+ 2H2O
DR (8) Fe(NO3)2 + CaBr2
4
+ 2Ni(SCN)3
C (18) 2C2H6 + 7O2
N (19) 2Al(OH)3 + 3H2CO3
D (20) 2HBr
2
+ Br2
2
+ 6H2O
2(CO3)3
+ 6H2O
Name: _____________________
Period: ___
IV. Chemical Reactions
Balance the following chemical equations.
(1) C20H42 +
O2
(2)
HBrO3 +
(3)
Al4C3 +
H 2O
(4)
Si4H10 +
O2
(5)
Cu +
(6)
2
HBr
2
(8)
SiF4 +
NaOH
Cu +
H 2O
HNO3
Br2
+
CH4
H2O
+
O2
H2O
(10)
+
4
Mg3N2 +
NO2 +
+
3
H2SO4
C12H22O11 +
H2O
2O
(7)
(9)
+
2
H2O +
+
SO2
H2O
2
+
NH3
4SiO4
+
NaF +
H2O
NO +
H2O
3
+
NO
3)2
+