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PbCl2 + Na2S = PbS + 2 NaCl
Fe(NO3)3 + NH3 + H2 = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + NH3 + 4 H2 = Fe(OH)3 + 2 NH4NO3
FeSO4SO2 = Fe2(SO3)4 =>
2 FeSO4SO2 = Fe2(SO3)4
H2O + C6H5NO2 + Zn + NaOH = Na2[Zn(OH)4] + C6H5NH2 =>
4 H2O + C6H5NO2 + 3 Zn + 6 NaOH = 3 Na2[Zn(OH)4] + C6H5NH2
PbCl2 + Na2S = PbS + NaCl =>
PbCl2 + Na2S = PbS + 2 NaCl
NO2 + Na2O = NaNO3 + NaNO2 =>
2 NO2 + Na2O = NaNO3 + NaNO2
PbCl2 + Na2S = PbS + NaCl =>
PbCl2 + Na2S = PbS + 2 NaCl
K2SO + HNO3 = K2SO4 + NO + H2O =>
K2SO + 2 HNO3 = K2SO4 + 2 NO + H2O
ZnC2O4 = ZnO + CO2 + CO =>
ZnC2O4 = ZnO + CO2 + CO
NaHCO3 + HC2H3O2 = NaC2H3O + H2CO3 =>
4 NaHCO3 + 5 HC2H3O2 = 4 NaC2H3O + 6 H2CO3
K2Cr2O7 + Al = K2CrO4 + Cr2O3 + Al2O3 =>
2 K2Cr2O7 + 2 Al = 2 K2CrO4 + Cr2O3 + Al2O3
Cu2C2 + O2 = CuO + CO2 =>
Cu2C2 + 3 O2 = 2 CuO + 2 CO2
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3 =>
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3
NaOH + C = Na + Na2CO3 + H2O =>
6 NaOH + C = 4 Na + Na2CO3 + 3 H2O
C9H10O2 + H2O2 + C4H8O = C8H10O2 =>
24 C9H10O2 + 3 H2O2 + 8 C4H8O = 31 C8H10O2
Ce(NO3)3 + KIO3 = Ce(IO3)3 + KNO3 =>
Ce(NO3)3 + 3 KIO3 = Ce(IO3)3 + 3 KNO3
Ca(NO3)2 + (NH4)OH = Ca(OH)2 + (NH4)NO3 =>
Ca(NO3)2 + 2(NH4)OH = Ca(OH)2 + 2(NH4)NO3
ZnC2O4 = Zn + C + O2 =>
ZnC2O4 = Zn + 2 C + 2 O2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
C15H22O + C6H10 = C15H24O + C6H6 =>
2 C15H22O + C6H10 = 2 C15H24O + C6H6
Po + HNO3 = Po(NO3)2 + NO2 + H2O =>
Po + 4 HNO3 = Po(NO3)2 + 2 NO2 + 2 H2O
NaCl + NaOH = Na + OHCl =>
NaCl + NaOH = 2 Na + OHCl
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
ZnI2 + Cl = ClI + Zn =>
ZnI2 + 2 Cl = 2 ClI + Zn
K2CrO4 + HBr = KBr + CrBr3 + H2O + Br2 =>
2 K2CrO4 + 16 HBr = 4 KBr + 2 CrBr3 + 8 H2O + 3 Br2
HBr + CaO = CaBr2 + H2O =>
2 HBr + CaO = CaBr2 + H2O
Mg(NO3)2 + NH4OH = Mg(OH)2 + NH4 + NO3 =>
Mg(NO3)2 + 2 NH4OH = Mg(OH)2 + 2 NH4 + 2 NO3
Cl2 + Na2CO3 = NaCl + NaClO + CO2 =>
Cl2 + Na2CO3 = NaCl + NaClO + CO2
N2H4(g) + H2O4(l) = N2(g) + H2O(g) =>
3 N2H4(g) + 2 H2O4(l) = 3 N2(g) + 8 H2O(g)
HgCl2 + NH3 = HgNH2Cl + NH4Cl =>
HgCl2 + 2 NH3 = HgNH2Cl + NH4Cl
MgCl2 + ZnSO4 = ZnCl2 + MgSO4 =>
MgCl2 + ZnSO4 = ZnCl2 + MgSO4
C6H4(OH)COONa + HNO3 = C6H4(OH)COOH + NaNO3 =>
C6H4(OH)COONa + HNO3 = C6H4(OH)COOH + NaNO3
NO3K = NO2K + O2 =>
2 NO3K = 2 NO2K + O2
Zn(NO3)2 + H2SO4 = ZnSO4 + HNO3 =>
Zn(NO3)2 + H2SO4 = ZnSO4 + 2 HNO3
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
P2O5 + SO2 = P4S + O2 =>
2 P2O5 + SO2 = P4S + 6 O2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
FeO + S = FeS2 + O2 =>
2 FeO + 4 S = 2 FeS2 + O2
C2H4O2 + C3H8O = C5H10O2 + H2O =>
C2H4O2 + C3H8O = C5H10O2 + H2O
Se8 + O = SeO2 =>
Se8 + 16 O = 8 SeO2
Na3N + HCl = NaCl + NH3 =>
Na3N + 3 HCl = 3 NaCl + NH3
PbO2 + H2SO4 + Mn(NO3)2 = PbSO4 + HNO3 + HMnO4 + H2O =>
5 PbO2 + 5 H2SO4 + 2 Mn(NO3)2 = 5 PbSO4 + 4 HNO3 + 2 HMnO4 + 2 H2O
BaCl2 + Zn(SO4)3 = Ba(SO4)3 + ZnCl2 =>
BaCl2 + Zn(SO4)3 = Ba(SO4)3 + ZnCl2
NH4Br + Cl2 = NH4Cl + Br =>
2 NH4Br + Cl2 = 2 NH4Cl + 2 Br
Na3N + HCl = NaCl + NH3 =>
Na3N + 3 HCl = 3 NaCl + NH3
Ca(HCO3)2 + HBr = H2CO3 + CaBr2 =>
Ca(HCO3)2 + 2 HBr = 2 H2CO3 + CaBr2
GaBr3 = Ga + Br2 =>
2 GaBr3 = 2 Ga + 3 Br2
FeOOH + Na2CO3 = NaFeO2 + CO2 + H2O =>
2 FeOOH + Na2CO3 = 2 NaFeO2 + CO2 + H2O
Fe2O3 + P2O3 = FePO3 =>
Fe2O3 + P2O3 = 2 FePO3
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