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Fe2O3 + 3 C = 2 Fe + 3 CO
Cu + HBr = CuBr + H =>
Cu + HBr = CuBr + H
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Cr(s) + NiSO4(aq) = Ni + Cr2(SO4)2 =>
2 Cr(s) + 2 NiSO4(aq) = 2 Ni + Cr2(SO4)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
H2SeO3 + NaOH = Na2SeO3 + H2O =>
H2SeO3 + 2 NaOH = Na2SeO3 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
H2O + Al + Ba(NO3)2 = Ba(OH)2 + Al(OH)3 + NH3 =>
36 H2O + 16 Al + 3 Ba(NO3)2 = 3 Ba(OH)2 + 16 Al(OH)3 + 6 NH3
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq) =>
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq)
H2SeO3 + Na2O = Na2SeO3 + H2O =>
H2SeO3 + Na2O = Na2SeO3 + H2O
CH3OH + HCl = CH3Cl + H2O =>
CH3OH + HCl = CH3Cl + H2O
CoCl2 + Cu(NO3)2 = Co(NO3)2 + CuCl2 =>
CoCl2 + Cu(NO3)2 = Co(NO3)2 + CuCl2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
H2SeO3 + PbO = PbSeO3 + H2O =>
H2SeO3 + PbO = PbSeO3 + H2O
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
P4 + NaOH + H2O = PH3 + NaH2PO3 =>
P4 + 2 NaOH + 4 H2O = 2 PH3 + 2 NaH2PO3
H2(g) + CuCl2(aq) = Cu(s) + H2Cl2(aq) =>
H2(g) + CuCl2(aq) = Cu(s) + H2Cl2(aq)
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
H2SeO3 + Pb(OH)2 = PbSeO3 + H2O =>
H2SeO3 + Pb(OH)2 = PbSeO3 + 2 H2O
FeCr2O4 + C = Fe + Cr + CO =>
FeCr2O4 + 4 C = Fe + 2 Cr + 4 CO
P4 + NaOH + H2O = PH3 + NaH2PO4 =>
2 P4 + 3 NaOH + 9 H2O = 5 PH3 + 3 NaH2PO4
Pb + HCl = PbCl2 + H2 =>
Pb + 2 HCl = PbCl2 + H2
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
H2SeO3 + H2PbO2 = PbSeO3 + H2O =>
H2SeO3 + H2PbO2 = PbSeO3 + 2 H2O
SnO + HNO3 = Sn(NO3)2 + H2O =>
SnO + 2 HNO3 = Sn(NO3)2 + H2O
H2SeO3 + H2PbO2 = PbSeO3 + H2O =>
H2SeO3 + H2PbO2 = PbSeO3 + 2 H2O
FeS2 + O2 + H2O = FeSO4 + H2SO4 =>
2 FeS2 + 7 O2 + 2 H2O = 2 FeSO4 + 2 H2SO4
NaOH + Fe(NO3)3 = Fe(OH)3 + NaNO3 =>
3 NaOH + Fe(NO3)3 = Fe(OH)3 + 3 NaNO3
MnO2 + KOH + O2 = K2MnO4 + H2O =>
2 MnO2 + 4 KOH + O2 = 2 K2MnO4 + 2 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
(i)S + H2SO4 = SO2 + H2O =>
(i)S + 2 H2SO4 = 3 SO2 + 2 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
Sr(OH)2 + Co2(SO4)3 = SrSO4 + Co(OH)3 =>
3 Sr(OH)2 + Co2(SO4)3 = 3 SrSO4 + 2 Co(OH)3
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
UO2(NO3)2 = UO3 + NO2 + O2 =>
2 UO2(NO3)2 = 2 UO3 + 4 NO2 + O2
NH3 + Cl2 = NCl3 + HCl =>
NH3 + 3 Cl2 = NCl3 + 3 HCl
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Pb + H2SO4 = PbSO4 + H2 =>
Pb + H2SO4 = PbSO4 + H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cl + O = ClO =>
Cl + O = ClO
HgS + CaO = Hg + CaS + CaSO4 =>
4 HgS + 4 CaO = 4 Hg + 3 CaS + CaSO4
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
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