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4 Fe + 3 Sn(NO3)4 = 4 Fe(NO3)3 + 3 Sn
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CoCl2 + HCl = CoCl4 + H2 =>
CoCl2 + 2 HCl = CoCl4 + H2
C20H42 + O2 = H2O + CO2 =>
2 C20H42 + 61 O2 = 42 H2O + 40 CO2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
O3 = O2 =>
2 O3 = 3 O2
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CaO + Be(OH)2 = Ca(OH)2 + BeO =>
CaO + Be(OH)2 = Ca(OH)2 + BeO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
CaO + Be(OH) = Ca(OH) + BeO =>
CaO + Be(OH) = Ca(OH) + BeO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(ClO3)2 = MgCl2 + O2 =>
Mg(ClO3)2 = MgCl2 + 3 O2
Pb(NO3)2 + FeBr3 = PbBr2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeBr3 = 3 PbBr2 + 2 Fe(NO3)3
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
Cu(OH)2 + NH3 = [Cu(NH3)4](OH)2 =>
Cu(OH)2 + 4 NH3 = [Cu(NH3)4](OH)2
C5H10O5 + O2 = CO2 + H2O =>
C5H10O5 + 5 O2 = 5 CO2 + 5 H2O
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Cu2S + H2SO4 = CuSO4 + H2O + S =>
3 Cu2S + 8 H2SO4 = 6 CuSO4 + 8 H2O + 5 S
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
HNO3 + Hg + H2SO4 = NO + Hg2SO4 + H2O =>
2 HNO3 + 6 Hg + 3 H2SO4 = 2 NO + 3 Hg2SO4 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
CrCl3 + KMnO4 + KOH = K2CrO4 + MnO2 + KCl + H2O =>
CrCl3 + KMnO4 + 4 KOH = K2CrO4 + MnO2 + 3 KCl + 2 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3 =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3
NaS + MgF = NaF + MgS =>
NaS + MgF = NaF + MgS
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
CrCl3 + KMnO4 + KOH = K2CrO4 + MnO2 + KCl + H2O =>
CrCl3 + KMnO4 + 4 KOH = K2CrO4 + MnO2 + 3 KCl + 2 H2O
H2SO4 + Al = Al2(SO4)3 + SO2 + H2O =>
6 H2SO4 + 2 Al = Al2(SO4)3 + 3 SO2 + 6 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CrCl3 + KMnO4 + KOH = K2CrO4 + MnO2 + KCl + H2O =>
CrCl3 + KMnO4 + 4 KOH = K2CrO4 + MnO2 + 3 KCl + 2 H2O
Na2S + MgF2 = NaF + MgS =>
Na2S + MgF2 = 2 NaF + MgS
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
K2Cr2O7 + HCl + KI = I2 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 14 HCl + 6 KI = 3 I2 + 2 CrCl3 + 8 KCl + 7 H2O
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
ZnCl2 + (NH4)2S = ZnS + NH4Cl =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4Cl
FeSO4 + H2SO4 + KMnO4 = MnSO4 + K2SO4 + H2O + Fe(SO4)3 =>
5 FeSO4 + 16 H2SO4 + 4 KMnO4 = 4 MnSO4 + 2 K2SO4 + 16 H2O + 5 Fe(SO4)3
NH4NO3 + Ca(OH)2 + H2O = Ca(NO3)2*NH4NO3*10H2O + NH3 =>
3 NH4NO3 + Ca(OH)2 + 8 H2O = Ca(NO3)2*NH4NO3*10H2O + 2 NH3
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