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2 Fe2(SO4)3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 6 K2SO4
K + H3PO4 = K3PO4 + H2 =>
6 K + 2 H3PO4 = 2 K3PO4 + 3 H2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
K2Cr2O7 + H2O2 = K2O2 + H2Cr2O7 =>
K2Cr2O7 + H2O2 = K2O2 + H2Cr2O7
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
FeSO4 + BaCl2 = BaSO4 + FeCl2 =>
FeSO4 + BaCl2 = BaSO4 + FeCl2
Al + CuSO4 = Al(SO4)3 + Cu =>
Al + 3 CuSO4 = Al(SO4)3 + 3 Cu
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + KCl =>
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 KCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
FeCl3 + (NH4)SCN = Fe(SCN)3 + NH4Cl =>
FeCl3 + 3(NH4)SCN = Fe(SCN)3 + 3 NH4Cl
Na2 + H2O = NaOH + H2 =>
Na2 + 2 H2O = 2 NaOH + H2
S + O = SO2 =>
S + 2 O = SO2
C + Cl = CCl4 =>
C + 4 Cl = CCl4
FeS + HCl = H2S + FeCl2 =>
FeS + 2 HCl = H2S + FeCl2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Al(OH)3 + H + SO4 = Al2(SO)4 + H2O =>
2 Al(OH)3 + 30 H + 4 SO4 = Al2(SO)4 + 18 H2O
Al(OH)3 + H2SO4 = H2O + Al2(SO4)3 =>
2 Al(OH)3 + 3 H2SO4 = 6 H2O + Al2(SO4)3
CoCl2 + CH3COOH = Co(CH3COO)2 + HCl =>
CoCl2 + 2 CH3COOH = Co(CH3COO)2 + 2 HCl
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + HCl = AlCl3 + H =>
Al + 3 HCl = AlCl3 + 3 H
Cd(OH)3 + H2SO4 = H2O + Cd2(SO4)3 =>
2 Cd(OH)3 + 3 H2SO4 = 6 H2O + Cd2(SO4)3
CuSO4 + NH3 + H2O = (NH4)2SO4 + Cu(NH3)4(OH)2 =>
CuSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Cu(NH3)4(OH)2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
N + H = NH3 =>
N + 3 H = NH3
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
HNO3 + Cu = Cu[NO3]2 + NO + H2O =>
8 HNO3 + 3 Cu = 3 Cu[NO3]2 + 2 NO + 4 H2O
Al(NO3)3 + Na2CO3 = Al2(CO3)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaNO3
C12H23 + O2 = CO2 + H2O =>
4 C12H23 + 71 O2 = 48 CO2 + 46 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al2O3 = O2 + Al =>
2 Al2O3 = 3 O2 + 4 Al
VCl3 = Cl2 + V =>
2 VCl3 = 3 Cl2 + 2 V
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Cl2 + NaBr = NaCl + Br =>
Cl2 + 2 NaBr = 2 NaCl + 2 Br
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + NaOH = NaClO + NaCl + H2O =>
Cl2 + 2 NaOH = NaClO + NaCl + H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
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