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OHg2 = 2 Hg + O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
NaNO3Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
NaNO3Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 3 NaNO3
N + O = NO =>
N + O = NO
ZnSO3 = ZnOSO2 =>
ZnSO3 = ZnOSO2
Zr + N2 = ZrN =>
2 Zr + N2 = 2 ZrN
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
K2CO3 + HClO4 = KClO4 + H2CO3 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2CO3
NaNO3 + FeCl2 + H2SO4 = Na2O4S + Fe2(SO4)3 + H2O + Cl3Fe + N2 =>
6 NaNO3 + 30 FeCl2 + 18 H2SO4 = 3 Na2O4S + 5 Fe2(SO4)3 + 18 H2O + 20 Cl3Fe + 3 N2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na2SO3 + KHCO3 = Na2CO3 + K2CO3 + SO2 + H2O =>
Na2SO3 + 2 KHCO3 = Na2CO3 + K2CO3 + SO2 + H2O
SO2 + NaIO3 + H2O = NaHSO4 + H2SO4 + I2 =>
5 SO2 + 2 NaIO3 + 4 H2O = 2 NaHSO4 + 3 H2SO4 + I2
BaCl2 + Na2C6O6 = BaC6O6 + NaCl =>
BaCl2 + Na2C6O6 = BaC6O6 + 2 NaCl
CU + K2SO4 = K + CUSO4 =>
CU + K2SO4 = 2 K + CUSO4
Cl2 + NaOH = NaCl + NaClO2 + H2O =>
2 Cl2 + 4 NaOH = 3 NaCl + NaClO2 + 2 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cu2O + HNO3 = CuNO3 + H2O =>
Cu2O + 2 HNO3 = 2 CuNO3 + H2O
Pb(CH3COO)2 + K2S = PbS + KCH3COO =>
Pb(CH3COO)2 + K2S = PbS + 2 KCH3COO
HCl + SnO = Sn + Cl + H2O =>
2 HCl + SnO = Sn + 2 Cl + H2O
K2CO3 + HClO4 = KClO4 + H2O + CO2 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2O + CO2
AlCl3 + NH3(OH) = NH3Cl + Al(OH)3 =>
AlCl3 + 3 NH3(OH) = 3 NH3Cl + Al(OH)3
NH4HSO4 + BaCl2 = BaSO4 + HCl + NH4Cl =>
NH4HSO4 + BaCl2 = BaSO4 + HCl + NH4Cl
Zn + H4P2O7 = ZnP2O7 + H2 =>
Zn + H4P2O7 = ZnP2O7 + 2 H2
HNO2 + Me = MeNO2 + H2 =>
2 HNO2 + 2 Me = 2 MeNO2 + H2
S{2-} + IO3{-} = SO4{2-} + I{-} =>
3 S{2-} + 4 IO3{-} = 3 SO4{2-} + 4 I{-}
Pb(CH3COO)2 + K2S = PbS + KCH3COO =>
Pb(CH3COO)2 + K2S = PbS + 2 KCH3COO
Zn + H2SO4 = H2 + SO4Zn =>
Zn + H2SO4 = H2 + SO4Zn
Na2S + H2O + AlCl3 = NaCl + Al(OH)3 + H2S =>
3 Na2S + 6 H2O + 2 AlCl3 = 6 NaCl + 2 Al(OH)3 + 3 H2S
Cu2(OH)2CO3 + NH2CH2COOH = Cu(NH2CH2COO)2H2O + H2O + CO2 =>
Cu2(OH)2CO3 + 4 NH2CH2COOH = 2 Cu(NH2CH2COO)2H2O + H2O + CO2
K2CO3 + FeO = K + Fe3O4 + CO =>
K2CO3 + 6 FeO = 2 K + 2 Fe3O4 + CO
Br2 + HI = HBr + I2 =>
Br2 + 2 HI = 2 HBr + I2
P2O5 + BaO = Ba3(PO4)2 =>
P2O5 + 3 BaO = Ba3(PO4)2
(NH4)2(COO)2 + CaCl2 = Ca(COO)2 + NH4Cl =>
(NH4)2(COO)2 + CaCl2 = Ca(COO)2 + 2 NH4Cl
K2CrO4 + CrCl2 + KOH + H2O = CrCl3 + K3(Cr(OH)6) =>
K2CrO4 + 3 CrCl2 + 4 KOH + 4 H2O = 2 CrCl3 + 2 K3(Cr(OH)6)
HNO3 + NaSCN = HSCN + NaNO3 =>
HNO3 + NaSCN = HSCN + NaNO3
NaNO2 + FeCl2 + H2SO4 = Na2O4S + Fe2(SO4)3 + H2O + Cl3Fe + N2 =>
2 NaNO2 + 6 FeCl2 + 4 H2SO4 = Na2O4S + Fe2(SO4)3 + 4 H2O + 4 Cl3Fe + N2
Ba(OH)2 + NO2 = Ba(NO3)2 + Ba(NO)3 + H2O =>
5 Ba(OH)2 + 11 NO2 = 4 Ba(NO3)2 + Ba(NO)3 + 5 H2O
Al4C3 + Br2 = AlBr3 + C =>
Al4C3 + 6 Br2 = 4 AlBr3 + 3 C
Al2O3 + NO2 + O2 = Al(NO3)3 =>
2 Al2O3 + 12 NO2 + 3 O2 = 4 Al(NO3)3
HCl + SnO = Sn + Cl + H2O =>
2 HCl + SnO = Sn + 2 Cl + H2O
Br2 + HI = HBr + I2 =>
Br2 + 2 HI = 2 HBr + I2
Na2SO4 + FeO = Na2O + FeSO4 =>
Na2SO4 + FeO = Na2O + FeSO4
C3H5(OOC(CH2)14CH3)3 + H2O = C3H5(OH)3 + CH3(CH2)14COOH =>
C3H5(OOC(CH2)14CH3)3 + 3 H2O = C3H5(OH)3 + 3 CH3(CH2)14COOH
Na[Ag[CN]2] = Na + Ag + CN =>
Na[Ag[CN]2] = Na + Ag + 2 CN
H2CO3 + Na2S = Na2CO3 + H2S =>
H2CO3 + Na2S = Na2CO3 + H2S
C3H6 + KMnO4 + H2O = C3H4(OH)2 + KOH + MnO2 =>
3 C3H6 + 4 KMnO4 + 2 H2O = 3 C3H4(OH)2 + 4 KOH + 4 MnO2
CaCO3(s) + HCl(aq) = CaCl2(g) + H2CO3(aq) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(g) + H2CO3(aq)
PbO + ScPO4 = PbPO4 + ScO =>
PbO + ScPO4 = PbPO4 + ScO
Na2[CdCl4] + NaOH = NaCl + Cd(OH)2 =>
Na2[CdCl4] + 2 NaOH = 4 NaCl + Cd(OH)2
Ba(OH)2 + Ag = Ba + AgOH =>
Ba(OH)2 + 2 Ag = Ba + 2 AgOH
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