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2 NaNO3 = 2 NaNO2 + O2
Sb + O2 = Sb4O6 = H2O =>
4 Sb + 3 O2 = Sb4O6
CuSO4Cu(OH)2 + (NH4)2SO4 + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4Cu(OH)2 + (NH4)2SO4 + 6 NH4OH = 2[Cu(NH3)4]SO4 + 8 H2O
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
NaCl + SO2 + H2O = Na2SO3 + HCl =>
2 NaCl + SO2 + H2O = Na2SO3 + 2 HCl
C7H16O + O2 = CO2 + H2O =>
2 C7H16O + 21 O2 = 14 CO2 + 16 H2O
OH{-} + Cr + ClO4{-} = CrO2{-} + ClO3{-} + H2O =>
2 OH{-} + 2 Cr + 3 ClO4{-} = 2 CrO2{-} + 3 ClO3{-} + H2O
Ag2O3 + H2O = Ag(OH)3 =>
Ag2O3 + 3 H2O = 2 Ag(OH)3
Mg(OH)2 + H3PO4 = (MgOH)3PO4 + H2O =>
3 Mg(OH)2 + H3PO4 = (MgOH)3PO4 + 3 H2O
CaCO3(s) + HNO3(ac) = Ca(NO3)2(ac) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HNO3(ac) = Ca(NO3)2(ac) + CO2(g) + H2O(l)
CH3OOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
2 CH3OOH(aq) + NaOH(aq) = CH3COONa(aq) + 3 H2O(l)
C8H8 + KMnO4 + H2O = C8H8(OH)2 + MnO2 + KOH =>
3 C8H8 + 2 KMnO4 + 4 H2O = 3 C8H8(OH)2 + 2 MnO2 + 2 KOH
HOOBr + HBr = HOBr =>
HOOBr + HBr = 2 HOBr
Al(s) + FeCl2(aq) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 AlCl3(aq)
AgCl + H3PO4 = Ag3PO4 + HCl =>
3 AgCl + H3PO4 = Ag3PO4 + 3 HCl
C3H6O2 + H2O = H3O + C3H5O2 =>
C3H6O2 + H2O = H3O + C3H5O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ca(OH)2 + H2(CO3) = H(OH) + Ca(CO3) =>
Ca(OH)2 + H2(CO3) = 2 H(OH) + Ca(CO3)
UO2{2+} + NH3 + H2O = (NH4)2U2O7 + NH4{+} =>
2 UO2{2+} + 6 NH3 + 3 H2O = (NH4)2U2O7 + 4 NH4{+}
HIO3 + FeI2 + HCl = FeCl3 + ICl + H2O =>
5 HIO3 + 4 FeI2 + 25 HCl = 4 FeCl3 + 13 ICl + 15 H2O
NiNO3(aq) + Na2CO3(aq) = Ni2CO3(s) + NaNO3(aq) =>
2 NiNO3(aq) + Na2CO3(aq) = Ni2CO3(s) + 2 NaNO3(aq)
C15H30(l) + O2(g) = CO2(g) + H2O(g) =>
2 C15H30(l) + 45 O2(g) = 30 CO2(g) + 30 H2O(g)
CrO4{-2} + CN{-} + H2O = CNO{-} + Cr(OH)3{-} + OH{-} =>
CrO4{-2} + 2 CN{-} + 2 H2O = 2 CNO{-} + Cr(OH)3{-} + OH{-}
CuSO4Cu(OH)2 + (NH4)2SO4 + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4Cu(OH)2 + (NH4)2SO4 + 6 NH4OH = 2[Cu(NH3)4]SO4 + 8 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Li2O + CoO = LiCoO + O2 =>
2 Li2O + 4 CoO = 4 LiCoO + O2
C3H8(g) + O = CO2 + H2O =>
C3H8(g) + 10 O = 3 CO2 + 4 H2O
Al + Pd{2+} = Pd + Al{3+} =>
2 Al + 3 Pd{2+} = 3 Pd + 2 Al{3+}
Mg(NO3)2 + Na2S2O3 = MgS2O3 + NaNO3 =>
Mg(NO3)2 + Na2S2O3 = MgS2O3 + 2 NaNO3
Pb3(PO4)4 + Na2S = Pb2S4 + Na3PO4 =>
2 Pb3(PO4)4 + 12 Na2S = 3 Pb2S4 + 8 Na3PO4
C9H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C9H18(l) + 27 O2(g) = 18 CO2(g) + 18 H2O(l)
C18H36O2 + NaOH = Na(C18H35O2) + H2O =>
C18H36O2 + NaOH = Na(C18H35O2) + H2O
BaCl2 + KrCrO4 = BaCrO4 + KrCl2 =>
BaCl2 + KrCrO4 = BaCrO4 + KrCl2
KCl + ZnS = K2S + ZnCl2 =>
2 KCl + ZnS = K2S + ZnCl2
NaCrO2 + PbO2 + NaOH = Na2CrO4 + Na2PbO2 + H2O =>
2 NaCrO2 + 3 PbO2 + 8 NaOH = 2 Na2CrO4 + 3 Na2PbO2 + 4 H2O
(CH3)3Al + O2 = Al2O3 + CO2 + H2O =>
2(CH3)3Al + 12 O2 = Al2O3 + 6 CO2 + 9 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag + Na2CrO4 = AgCrO4 + Na =>
Ag + Na2CrO4 = AgCrO4 + 2 Na
SiH4(g) + O2(g) = SiO2(g) + H2O(g) =>
SiH4(g) + 2 O2(g) = SiO2(g) + 2 H2O(g)
C3(H8) + O2 = C(O2) + H2(O) =>
C3(H8) + 5 O2 = 3 C(O2) + 4 H2(O)
Na2SO3 + HNO3 = NaNO3 + SO2 + H2O =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + SO2 + H2O
Li2O + HCN = LiCN + H2O =>
Li2O + 2 HCN = 2 LiCN + H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
CS2 + H2S + Cu = Cu2S + CH4 =>
CS2 + 2 H2S + 8 Cu = 4 Cu2S + CH4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaOCl + Na2S2O3 + H2O = Na2SO4 + NaCl + H2SO4 =>
4 NaOCl + Na2S2O3 + H2O = Na2SO4 + 4 NaCl + H2SO4
NaClO + Cu + H2O + HCl = Cu2Cl(OH)3 + NaCl =>
2 NaClO + 2 Cu + H2O + HCl = Cu2Cl(OH)3 + 2 NaCl
FeCl2(aq) + (NH4)2S = FeS + NH4Cl =>
FeCl2(aq) + (NH4)2S = FeS + 2 NH4Cl
HBr + Na2SO4 = NaBr + H2SO4 =>
2 HBr + Na2SO4 = 2 NaBr + H2SO4
CH3COOH + NH4OH = H2O + NH4CH3COO =>
CH3COOH + NH4OH = H2O + NH4CH3COO
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