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4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
KI(aq) + Pb(NO3)2(aq) = PbI2(s) + KNO3(aq) =>
2 KI(aq) + Pb(NO3)2(aq) = PbI2(s) + 2 KNO3(aq)
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
AgNO3 + NaSO3 = AgSO3 + NaNO3 =>
AgNO3 + NaSO3 = AgSO3 + NaNO3
MgF2 + Li2(CO3) = LiF + Mg2(CO3)2 =>
2 MgF2 + 2 Li2(CO3) = 4 LiF + Mg2(CO3)2
K2S + H3PO4 = H2S + K3PO4 =>
3 K2S + 2 H3PO4 = 3 H2S + 2 K3PO4
Zn(OH)2 + Al(NO3)3 = Al(OH)3 + Zn(NO3)2 =>
3 Zn(OH)2 + 2 Al(NO3)3 = 2 Al(OH)3 + 3 Zn(NO3)2
KI(aq) + PB(NO3)2(aq) = PBI2(s) + KNO3(aq) =>
2 KI(aq) + PB(NO3)2(aq) = PBI2(s) + 2 KNO3(aq)
TiCl4 + Mg = Ti + MgCl =>
TiCl4 + 4 Mg = Ti + 4 MgCl
C14O4 + H2O2 = C6OH + C2O4 =>
C14O4 + H2O2 = 2 C6OH + C2O4
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
H3PO4 + NaCl = Na3PO4 + HCl =>
H3PO4 + 3 NaCl = Na3PO4 + 3 HCl
C14O4 + H2O2 = C6OH + C2O4 =>
C14O4 + H2O2 = 2 C6OH + C2O4
SO2 + NaJO3 + H2O = NaJ + H2SO4 =>
3 SO2 + NaJO3 + 3 H2O = NaJ + 3 H2SO4
Cu + Fe = CuFe =>
Cu + Fe = CuFe
K + Cl2 = KCl2 =>
K + Cl2 = KCl2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgNO3 + LiOH = AgOH + LiNO3 =>
AgNO3 + LiOH = AgOH + LiNO3
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
S8 + Cl2 = S2Cl2 =>
S8 + 4 Cl2 = 4 S2Cl2
Pb(NO3)2 + Na2CrO4 = PbCrO4 + NaNO3 =>
Pb(NO3)2 + Na2CrO4 = PbCrO4 + 2 NaNO3
Zn + NO3{-} + H{+} = Zn{2+} + NH4 + H2O =>
9 Zn + 2 NO3{-} + 20 H{+} = 9 Zn{2+} + 2 NH4 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C4H10O + K2Cr2O7 + H2SO4 = C4H9O + KCrS + H2O =>
26 C4H10O + K2Cr2O7 + 2 H2SO4 = 26 C4H9O + 2 KCrS + 15 H2O
NaOH + Al2(SO4)3 = Na2SO4 + Al(OH)3 =>
6 NaOH + Al2(SO4)3 = 3 Na2SO4 + 2 Al(OH)3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuO(aq) + HCl(aq) = CuCl2(aq) + H2O(l) =>
CuO(aq) + 2 HCl(aq) = CuCl2(aq) + H2O(l)
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
NaBr + MnO4 + H2SO4 = Br + MnO4S + H2O + Na2SO4 =>
6 NaBr + MnO4 + 4 H2SO4 = 6 Br + MnO4S + 4 H2O + 3 Na2SO4
HCl + NH3 = NH4Cl =>
HCl + NH3 = NH4Cl
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
Mn + HCl = MnCl + H =>
Mn + HCl = MnCl + H
Mg + Mn2O3 = MgO + Mn =>
3 Mg + Mn2O3 = 3 MgO + 2 Mn
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NaWO3 + NaOH + O2 = Na2WO4 + H2O =>
4 NaWO3 + 4 NaOH + O2 = 4 Na2WO4 + 2 H2O
Mn + HCl = MnCl2 + H =>
Mn + 2 HCl = MnCl2 + 2 H
HNO3 + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3 + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
C16H18N3O4S + H2O = CO2 + HNO3 + HSO4 + H{+} + e =>
C16H18N3O4S + 41 H2O = 16 CO2 + 3 HNO3 + HSO4 + 96 H{+} + 96e
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Cl2 + KI + KOH = KCl + KIO3 + H20 =>
30 Cl2 + 20 KI + 60 KOH = 60 KCl + 20 KIO3 + 3 H20
C16H18N3O4S + H2O = CO + HNO + HSO + H{+} + e =>
C16H18N3O4S + 16 H2O = 16 CO + 3 HNO + HSO + 46 H{+} + 46e
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cl2 + I2 + KOH = KCl + KIO3 + H20 =>
20 Cl2 + 10 I2 + 60 KOH = 40 KCl + 20 KIO3 + 3 H20
HClO + NaOH = NaClO + H2O =>
HClO + NaOH = NaClO + H2O
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