Practice: Balance each of the chemical equations below. (Some equations may already be in balance.) In the space to the right, classify the reaction as a synthesis, decomposition, single replacement, double replacement, or combustion.
A.
AgNO3 +
KCl 🡪
AgCl +
KNO3
B.
H2O +
SO3 🡪
H2SO4
C.
KI +
Cl2 🡪
KCl +
I2
D.
NaHCO3 🡪
Na2CO3 +
H2O +
CO2
E.
Zn +
HCl 🡪
ZnCl2 +
H2
F.
BaCl2 +
Na2SO4 🡪
BaSO4 +
NaCl
G.
C3H8 +
O2 🡪
CO2 +
H2O
H.
Al +
CuCl2 🡪
AlCl3 +
Cu
A. AgNO3 + KCl 🡪 AgCl + KNO3
Synthesis
B. H2O + SO3 🡪 H2SO4
Synthesis
C. KI + Cl2 🡪 KCl + I2
Double replacement
D. NaHCO3 🡪 Na2CO3 + H2O + CO2
Decomposition
E. Zn + HCl 🡪 ZnCl2 + H2
Single replacement
F. BaCl2 + Na2SO4 🡪 BaSO4 + NaCl
Double replacement
G. C3H8 + O2 🡪 CO2 + H2O
Combustion
H. Al + CuCl2 🡪 AlCl3 + Cu
Single replacement