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P4 + 3 O2 = 2 P2O3
HF + C2O4 = F + H2C2O4 =>
2 HF + C2O4 = 2 F + H2C2O4
NaHCO3 + C20H14O4 = H2O + Na + C20H13O4 =>
20 NaHCO3 + 105 C20H14O4 = 56 H2O + 20 Na + 106 C20H13O4
Ca(CH3COO)2 + HBr = CaBr2 + CH3COOH =>
Ca(CH3COO)2 + 2 HBr = CaBr2 + 2 CH3COOH
Ce4 = Ce3 =>
3 Ce4 = 4 Ce3
Cu + S = CuS =>
Cu + S = CuS
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
CaCl2 + CsPO4 = Cs + Ca3(PO4)2 + Cl2 =>
3 CaCl2 + 2 CsPO4 = 2 Cs + Ca3(PO4)2 + 3 Cl2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Mg + N2 + O2 = Mg(NO3)2 =>
Mg + N2 + 3 O2 = Mg(NO3)2
Zn(H2O)42{+} + CN = Zn(CN)4{+} + H2O =>
Zn(H2O)42{+} + 4 CN = Zn(CN)4{+} + 42 H2O
BaCrO4 + CH3COOH = Ba{2+} + H2CrO4 + CH3COO{-} =>
BaCrO4 + 2 CH3COOH = Ba{2+} + H2CrO4 + 2 CH3COO{-}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
NiClO3 = NiCl + O2 =>
2 NiClO3 = 2 NiCl + 3 O2
NaClO3 + NaOH + CrCl3 = Na2CrO4 + NaCl + H2O =>
NaClO3 + 10 NaOH + 2 CrCl3 = 2 Na2CrO4 + 7 NaCl + 5 H2O
HNO3 + Ba(OH)2 = H2O + NO3BaOH =>
HNO3 + Ba(OH)2 = H2O + NO3BaOH
CO(NH2)2 + HNO2 = N + CO2 + H2O =>
CO(NH2)2 + 2 HNO2 = 4 N + CO2 + 3 H2O
H2PO4 + AgNO3 = Ag2PO4 + HNO3 =>
H2PO4 + 2 AgNO3 = Ag2PO4 + 2 HNO3
Cl2 + Br2 = BrCl3 =>
3 Cl2 + Br2 = 2 BrCl3
FeF3 + KOH = Fe(OH)3 + KF =>
FeF3 + 3 KOH = Fe(OH)3 + 3 KF
C4H6Cl2 + O2 = H2O + CO2 + HCl =>
C4H6Cl2 + 5 O2 = 2 H2O + 4 CO2 + 2 HCl
KMnO4 + N2H4 + KOH = K2MnO4 + N2 + H2O =>
4 KMnO4 + N2H4 + 4 KOH = 4 K2MnO4 + N2 + 4 H2O
Na2CrO4 + KOH = Na(OH) + K2CrO4 =>
Na2CrO4 + 2 KOH = 2 Na(OH) + K2CrO4
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Ni(OH)2(s) + HBr = NiBr + H(OH)2 =>
Ni(OH)2(s) + HBr = NiBr + H(OH)2
C3H70H + O2 = CO2 + H2O =>
4 C3H70H + 83 O2 = 12 CO2 + 142 H2O
KBr + H2O = Br2 + KOH + H2 =>
2 KBr + 2 H2O = Br2 + 2 KOH + H2
HCl + Na2SO4 = H2SO4 + NaCl =>
2 HCl + Na2SO4 = H2SO4 + 2 NaCl
AgNO3 + NBr = N2O3 + AgBr =>
AgNO3 + NBr = N2O3 + AgBr
(NH4)2SO4 + KOH = K2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 KOH = K2SO4 + 2 NH3 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CaCl2(aq) + K2Co3(aq) = KCl(aq) + CaCo3(s) =>
CaCl2(aq) + K2Co3(aq) = 2 KCl(aq) + CaCo3(s)
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2[Zn(OH)4] + HNO3 = Zn(OH)2 + KNO3 + H2O =>
K2[Zn(OH)4] + 2 HNO3 = Zn(OH)2 + 2 KNO3 + 2 H2O
HAgSO4 = AgHSO4 =>
HAgSO4 = AgHSO4
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
Na + O2 + H = NaOH =>
2 Na + O2 + 2 H = 2 NaOH
KHCO3MgCl2 = KHCl2MgCO3 =>
KHCO3MgCl2 = KHCl2MgCO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KOH + Br2 = H2O + KBr + KBrO3 =>
6 KOH + 3 Br2 = 3 H2O + 5 KBr + KBrO3
Cu(CH3COO)2 + NH4OH = Cu(OH)2 + CH3COONH4 =>
Cu(CH3COO)2 + 2 NH4OH = Cu(OH)2 + 2 CH3COONH4
NH4Fe(SO4)2 + BaCl2 = NH4Cl + FeCl3 + BaSO4 =>
NH4Fe(SO4)2 + 2 BaCl2 = NH4Cl + FeCl3 + 2 BaSO4
Fe(OH)2 + Cl2 = FeCl2 + H2O + O2 =>
2 Fe(OH)2 + 2 Cl2 = 2 FeCl2 + 2 H2O + O2
Bi(NO3)3 + NaOH = NaBi + (NO3)3(OH) =>
Bi(NO3)3 + NaOH = NaBi + (NO3)3(OH)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BaO + Cl = BaCl2 + O =>
BaO + 2 Cl = BaCl2 + O
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