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Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Al3 + Br2 = AlBr3 =>
2 Al3 + 9 Br2 = 6 AlBr3
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
ZnNO3 + (NH4)2SO4 = NH4NO3 + Zn2SO4 =>
2 ZnNO3 + (NH4)2SO4 = 2 NH4NO3 + Zn2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Li2CO3 = CO2 + Li2O =>
Li2CO3 = CO2 + Li2O
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
Al + KOH + HOH = KAlO2 + H2 =>
2 Al + 2 KOH + 2 HOH = 2 KAlO2 + 3 H2
CO3{-2} + Ca{2+} = CaCO3 =>
CO3{-2} + Ca{2+} = CaCO3
HNO3 = NO2 + H2O + O =>
2 HNO3 = 2 NO2 + H2O + O
HCl + As2O3 + NaNO3 + H20 = NO + H3AsO4 + NaCl =>
100 HCl + 40 As2O3 + 100 NaNO3 + 7 H20 = 100 NO + 80 H3AsO4 + 100 NaCl
Na + CaSO4 = Ca + NaSO4 =>
Na + CaSO4 = Ca + NaSO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
HCl + As2O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
4 HCl + 3 As2O3 + 4 NaNO3 + 7 H2O = 4 NO + 6 H3AsO4 + 4 NaCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
HN3 + NaNO2 = N2 + NO + NaOH =>
2 HN3 + 2 NaNO2 = 3 N2 + 2 NO + 2 NaOH
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
HCOONa + KMnO4 + H2SO4 = CO2 + MnSO4 + K2S04 + Na2SO4 + H2O =>
18 HCOONa + 2 KMnO4 + 15 H2SO4 = 18 CO2 + 2 MnSO4 + K2S04 + 9 Na2SO4 + 24 H2O
Mg(NO3)2 + NaOH = NaNO3 + Mg(OH)2 =>
Mg(NO3)2 + 2 NaOH = 2 NaNO3 + Mg(OH)2
Zn(NO3)2 + (NH4)2SO4 = NH4NO3 + ZnSO4 =>
Zn(NO3)2 + (NH4)2SO4 = 2 NH4NO3 + ZnSO4
Al + KOH + HOH = KAl(OH)4 + H2 =>
2 Al + 2 KOH + 6 HOH = 2 KAl(OH)4 + 3 H2
NO2 + SO2 = SO3 + NO =>
NO2 + SO2 = SO3 + NO
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
NaIO3 + Na2S2O3 + HCl = NaI + Na2S4O6 + NaCl + H2O =>
NaIO3 + 6 Na2S2O3 + 6 HCl = NaI + 3 Na2S4O6 + 6 NaCl + 3 H2O
HN3 + NaNO2 = N2 + NO + NaOH =>
2 HN3 + 2 NaNO2 = 3 N2 + 2 NO + 2 NaOH
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
HKC8H4O4 + NaOH = NaKC8H4O4 + H2O =>
HKC8H4O4 + NaOH = NaKC8H4O4 + H2O
Fe(s) + O2(g) + H20(l) = Fe(OH)2(aq) =>
10 Fe(s) + 10 O2(g) + H20(l) = 10 Fe(OH)2(aq)
(NH4)2CO3(s) = NH4HCO3(s) + NH3(g) =>
(NH4)2CO3(s) = NH4HCO3(s) + NH3(g)
H2CO + [Ag(NH3)2]OH = (NH4)2CO3 + Ag + NH3 + H2O =>
H2CO + 4[Ag(NH3)2]OH = (NH4)2CO3 + 4 Ag + 6 NH3 + 2 H2O
PB(No3)2 + KI = PBI2 + KNo3 =>
PB(No3)2 + 2 KI = PBI2 + 2 KNo3
Na2S2O3 + NaIO3 + HCl = Na2S4O6 + NaI + NaCl + H2O =>
6 Na2S2O3 + NaIO3 + 6 HCl = 3 Na2S4O6 + NaI + 6 NaCl + 3 H2O
C2H5COONa + NaOH = C2H6 + Na2CO3 =>
C2H5COONa + NaOH = C2H6 + Na2CO3
SO2 + NH3 = N2 + S + H2O =>
3 SO2 + 4 NH3 = 2 N2 + 3 S + 6 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
KAl(OH)4 + H2SO4 = KAl(SO4)2 + H2O =>
KAl(OH)4 + 2 H2SO4 = KAl(SO4)2 + 4 H2O
Fe(s) + O2(g) + H2O(l) = Fe(OH)2(aq) =>
2 Fe(s) + O2(g) + 2 H2O(l) = 2 Fe(OH)2(aq)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HNO3 + H2SO3 = H2SO4 + NO + H2O =>
2 HNO3 + 3 H2SO3 = 3 H2SO4 + 2 NO + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2 + H2 = NaH =>
Na2 + H2 = 2 NaH
NaNO2 + HN3 = N2 + NO + NaOH =>
2 NaNO2 + 2 HN3 = 3 N2 + 2 NO + 2 NaOH
BrO3{-} + Br{-} + H{+} = Br2 + H2O =>
BrO3{-} + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaIO3 + Na2S2O3 + HCl = NaI + Na2S4O6 + NaCl + H2O =>
NaIO3 + 6 Na2S2O3 + 6 HCl = NaI + 3 Na2S4O6 + 6 NaCl + 3 H2O
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