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2 B + Fe2O3 = B2O3 + 2 Fe
HBr + S = H2S + Br2 =>
2 HBr + S = H2S + Br2
BaCl2 + NH4I = BaI2 + NH4Cl =>
BaCl2 + 2 NH4I = BaI2 + 2 NH4Cl
K + H2SIO3 = K(SIO3)2 + H2 =>
K + 2 H2SIO3 = K(SIO3)2 + 2 H2
Bi + HNO3 = Bi(NO3)3 + H2O + NO =>
Bi + 4 HNO3 = Bi(NO3)3 + 2 H2O + NO
CaMg(CO3)2 + H{+} = CO2 + Ca{2+} + Mg{2+} + H2O =>
CaMg(CO3)2 + 4 H{+} = 2 CO2 + Ca{2+} + Mg{2+} + 2 H2O
CH4 + K2Cr2O7 + HCl = CH3COOH + KCl + CrCl3 + H2O =>
6 CH4 + 4 K2Cr2O7 + 32 HCl = 3 CH3COOH + 8 KCl + 8 CrCl3 + 22 H2O
H2SO4 + C2H5OH + K2Cr2O7 = CH3CO3H + Cr2(SO4)3 + H2O + K2SO4 =>
4 H2SO4 + C2H5OH + K2Cr2O7 = CH3CO3H + Cr2(SO4)3 + 5 H2O + K2SO4
As2O3 + Fe2(SO4)3 + H2O = FeAsO3 + H2SO4 =>
As2O3 + Fe2(SO4)3 + 3 H2O = 2 FeAsO3 + 3 H2SO4
Pb(C2H3O2)2 + K2CO3 = PbCO3 + KC2H3O2 =>
Pb(C2H3O2)2 + K2CO3 = PbCO3 + 2 KC2H3O2
CO2 + H2O + Na2O2 = NaHCO3 + O2 =>
4 CO2 + 2 H2O + 2 Na2O2 = 4 NaHCO3 + O2
Pb + CoO = PbO + Co =>
Pb + CoO = PbO + Co
Co + O2 = Co2(O2)3 =>
2 Co + 3 O2 = Co2(O2)3
Mg + CuCN = Mg(CN)2 + Cu =>
Mg + 2 CuCN = Mg(CN)2 + 2 Cu
C3H8O3 + H3O = CH3OH + H2O2 =>
C3H8O3 + 2 H3O = 3 CH3OH + H2O2
CaCO3(s) + H3O(aq) = Ca(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 H3O(aq) = Ca(aq) + CO2(g) + 3 H2O(l)
SnCl2 + PbO2 + NaOH + H2O = Na2[Sn(OH)6] + NaCl + Na2[Pb(OH)2] =>
2 SnCl2 + PbO2 + 10 NaOH + 2 H2O = 2 Na2[Sn(OH)6] + 4 NaCl + Na2[Pb(OH)2]
Te2 + Cl2 = TeCl6 =>
Te2 + 6 Cl2 = 2 TeCl6
KMnO4 + H2O = KOH + MnO2 + O2 =>
4 KMnO4 + 2 H2O = 4 KOH + 4 MnO2 + 3 O2
HBrO3 + Mg(HO)2 = Mg(BrO3)2 + H2O =>
2 HBrO3 + Mg(HO)2 = Mg(BrO3)2 + 2 H2O
Sb2O3 + Zn + HCl = SbH3 + ZnCl2 + H2O =>
Sb2O3 + 6 Zn + 12 HCl = 2 SbH3 + 6 ZnCl2 + 3 H2O
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4 =>
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4
C9H10N9 + O2 = CO2 + H2O + N2 =>
2 C9H10N9 + 23 O2 = 18 CO2 + 10 H2O + 9 N2
NaAlSi3O8 + H2O + CO2 = Al2Si2O5(OH)4 + H4SiO4 + Na + HCO3 =>
2 NaAlSi3O8 + 11 H2O + 2 CO2 = Al2Si2O5(OH)4 + 4 H4SiO4 + 2 Na + 2 HCO3
NH4HCO3 + C6H5CO2H = C6H5CH2NH2 + CO2 + H2O =>
15 NH4HCO3 + 17 C6H5CO2H = 15 C6H5CH2NH2 + 29 CO2 + 21 H2O
CO32{-} + NO3{-} + As2Se3 = AsO43{-} + SeO43{-} + NO2{-} + CO2 =>
5 CO32{-} + 65 NO3{-} + As2Se3 = 2 AsO43{-} + 3 SeO43{-} + 65 NO2{-} + 5 CO2
KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + 2 KNO3(aq)
Na + MgCl2 = MgNa2 + Cl =>
2 Na + MgCl2 = MgNa2 + 2 Cl
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
Cr2O7{-2} + H{+} = CrO3 + H2O =>
Cr2O7{-2} + 2 H{+} = 2 CrO3 + H2O
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
(NH3OH)Cl + NaOH + Al + H2O = NH3 + NaCl + Na(Al(OH)4(H2O)2) =>
3(NH3OH)Cl + 5 NaOH + 2 Al + 4 H2O = 3 NH3 + 3 NaCl + 2 Na(Al(OH)4(H2O)2)
C6H5Br + Mg + H2O = C6H6 + Mg(OH)2 + BrH =>
C6H5Br + Mg + 2 H2O = C6H6 + Mg(OH)2 + BrH
SO3(g) + H2O = H2 + SO4 =>
SO3(g) + H2O = H2 + SO4
HNO3 + Cu = H2 + Cu(NO3)2 =>
2 HNO3 + Cu = H2 + Cu(NO3)2
As4O10 + H2O = H3AsO4 =>
As4O10 + 6 H2O = 4 H3AsO4
As2O2 + HNO3 + H2O = H3AsO4 + NO =>
As2O2 + 2 HNO3 + 2 H2O = 2 H3AsO4 + 2 NO
Mg + Ni(OH)2 = Mg(OH)2 + Ni =>
Mg + Ni(OH)2 = Mg(OH)2 + Ni
Mg(CIO3)2 = Mg2 + CIO3 =>
2 Mg(CIO3)2 = Mg2 + 4 CIO3
Sn + MgCl2 = Sn(Cl2)2 + Mg =>
Sn + 2 MgCl2 = Sn(Cl2)2 + 2 Mg
Fe2 + Fl2 = FeFl =>
Fe2 + Fl2 = 2 FeFl
PbI2 + Au = AuI2 + Pb =>
PbI2 + Au = AuI2 + Pb
LiSO4 + Pb2NO3 = LiNO3 + Pb2SO4 =>
LiSO4 + Pb2NO3 = LiNO3 + Pb2SO4
CH3CHCH2CH3 + KMnO4 + H2O = CH2OHCHOHCH2CH3 + MnO2 + KOH =>
CH3CHCH2CH3 + KMnO4 + H2O = CH2OHCHOHCH2CH3 + MnO2 + KOH
KMnO4 + Na2HPO3 + H2SO4 = Na2PO4 + MnSO4 + K2SO4 + H2O =>
6 KMnO4 + 10 Na2HPO3 + 9 H2SO4 = 10 Na2PO4 + 6 MnSO4 + 3 K2SO4 + 14 H2O
C6H12O6 = CH3CH2CH2COOH + CO2 + H2 =>
C6H12O6 = CH3CH2CH2COOH + 2 CO2 + 2 H2
CF4 + B2 = CB4 + F2 =>
CF4 + 2 B2 = CB4 + 2 F2
Li(s) + N2(s) = Li3N(s) =>
6 Li(s) + N2(s) = 2 Li3N(s)
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