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2 FeCl3 + 6 H2O = 2 Fe(OH)3 + 3 Cl2 + 3 H2
NaSO3 = Na + S2 + O2 =>
2 NaSO3 = 2 Na + S2 + 3 O2
Ca3N2 + O2 = CaO + NO =>
2 Ca3N2 + 5 O2 = 6 CaO + 4 NO
H + N + O = HNO =>
H + N + O = HNO
(NH4)2Cr2O7 + H2SO4 = (NH4)2Cr3O10 + (NH4)2SO4 + H2O =>
3(NH4)2Cr2O7 + H2SO4 = 2(NH4)2Cr3O10 + (NH4)2SO4 + H2O
Zn(NO3)2 = Zn + NO2 + O2 =>
Zn(NO3)2 = Zn + 2 NO2 + O2
Na2CO3 + HCl = Na(Cl) + H2CO3 =>
Na2CO3 + 2 HCl = 2 Na(Cl) + H2CO3
C10H20O + Na = C10H19ONa + H2 =>
2 C10H20O + 2 Na = 2 C10H19ONa + H2
CuSO4 + NH4OH = (NH4)2SO4 + Cu(OH)2 =>
CuSO4 + 2 NH4OH = (NH4)2SO4 + Cu(OH)2
HNO3 + SO2 + H2O = HNO2 + H2SO4 =>
HNO3 + SO2 + H2O = HNO2 + H2SO4
ClO3{-} + I{-} + H{+} = ClO2{-} + I2 + H2O =>
ClO3{-} + 2 I{-} + 2 H{+} = ClO2{-} + I2 + H2O
Fe{3+} + Ba = Ba{2+} + Fe =>
2 Fe{3+} + 3 Ba = 3 Ba{2+} + 2 Fe
Mg + N2O4 = Mg(NO3)2 + NO =>
Mg + 2 N2O4 = Mg(NO3)2 + 2 NO
Ag + K(CN) + O2 + H2O = KAg(CN)2 + KOH =>
4 Ag + 8 K(CN) + O2 + 2 H2O = 4 KAg(CN)2 + 4 KOH
CH3Cl + HF = CH3F + HCl =>
CH3Cl + HF = CH3F + HCl
NaOH(aq) + MgSO4 = Mg(OH)2 + Na2SO4 =>
2 NaOH(aq) + MgSO4 = Mg(OH)2 + Na2SO4
CH3COONa + C2H5Br = CH3COOC2H5 + NaBr =>
CH3COONa + C2H5Br = CH3COOC2H5 + NaBr
N(NH2)4BrO4 = Br + N2 + H2O =>
2 N(NH2)4BrO4 = 2 Br + 5 N2 + 8 H2O
HBrO + Fe(OH)2 = Fe(BrO)2 + H2O =>
2 HBrO + Fe(OH)2 = Fe(BrO)2 + 2 H2O
NH4Cl + O3 = HNO3 + HCl + H2O =>
3 NH4Cl + 4 O3 = 3 HNO3 + 3 HCl + 3 H2O
Cr + MnO2 + H2O = Cr{3+} + Mn{2+} + OH{-} =>
2 Cr + 3 MnO2 + 6 H2O = 2 Cr{3+} + 3 Mn{2+} + 12 OH{-}
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
Na2C2O4 + Na2Cr2O7 + HCl = CO2 + CrCl3 + NaCl + H2O =>
3 Na2C2O4 + Na2Cr2O7 + 14 HCl = 6 CO2 + 2 CrCl3 + 8 NaCl + 7 H2O
HMnO4 + AsH3 + H2SO4 = H3AsO4 + MnSO4 + H2O =>
8 HMnO4 + 5 AsH3 + 8 H2SO4 = 5 H3AsO4 + 8 MnSO4 + 12 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
CH3CHO + CrO3 + H2SO4 = Cr2(SO4)3 + CH3COOH + H2O =>
3 CH3CHO + 2 CrO3 + 3 H2SO4 = Cr2(SO4)3 + 3 CH3COOH + 3 H2O
Cu2S(l) + O2(g) = Cu2O(l) + SO2(g) =>
2 Cu2S(l) + 3 O2(g) = 2 Cu2O(l) + 2 SO2(g)
Zn + Cr = Zn2Cr3 =>
2 Zn + 3 Cr = Zn2Cr3
Cr2O2 + Si = Cr + SiO2 =>
Cr2O2 + Si = 2 Cr + SiO2
FeSiO3 + H2O = Fe3Si2O5(OH)4 + H4SiO4 =>
3 FeSiO3 + 4 H2O = Fe3Si2O5(OH)4 + H4SiO4
OH{-} + ClO{-} + S2O3{-}2 = Cl{-} + SO4{-}2 + H2O =>
2 OH{-} + 9 ClO{-} + 2 S2O3{-}2 = 9 Cl{-} + 4 SO4{-}2 + H2O
Sn + HgCl2 = SnCl4 + Hg =>
Sn + 2 HgCl2 = SnCl4 + 2 Hg
NaO + H2O = NaOH + O2 =>
4 NaO + 2 H2O = 4 NaOH + O2
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
Cu + SiNO3 = Si + CuNO3 =>
Cu + SiNO3 = Si + CuNO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
NHC3H4S(l) + O2(g) = CO2(g) + H2O(g) + SO2(g) + NO2(g) =>
4 NHC3H4S(l) + 25 O2(g) = 12 CO2(g) + 10 H2O(g) + 4 SO2(g) + 4 NO2(g)
Pb{2+} + Cr2O7{2-} + H2O = PbCrO4 + H{+} =>
2 Pb{2+} + Cr2O7{2-} + H2O = 2 PbCrO4 + 2 H{+}
Zn + Fe2(SO3)3 = ZnSO3 + Fe =>
3 Zn + Fe2(SO3)3 = 3 ZnSO3 + 2 Fe
C8H17N + O2 = CO2 + H2O + N2 =>
4 C8H17N + 49 O2 = 32 CO2 + 34 H2O + 2 N2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
K2SO4 + NH4OH*2H2O = (NH4)2SO4 + H2O + KOH =>
K2SO4 + 2 NH4OH*2H2O = (NH4)2SO4 + 4 H2O + 2 KOH
Fe2(CO3)3 + H2SO4 = Fe2(SO4)3 + H2O + CO2 =>
Fe2(CO3)3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O + 3 CO2
H2 + AgS = H2S + Ag =>
H2 + AgS = H2S + Ag
HNO3 + NH4OH = H2O + N2H4O4 =>
5 HNO3 + 3 NH4OH = 2 H2O + 4 N2H4O4
Cu + NH4OH = NH4 + CuOH =>
Cu + NH4OH = NH4 + CuOH
FeCl2 + Br2 + KOH = Fe(OH)3 + KBr + KCl =>
2 FeCl2 + Br2 + 6 KOH = 2 Fe(OH)3 + 2 KBr + 4 KCl
PbCl2 + Na2CO3 = PbCO3 + Cl2Na2 =>
PbCl2 + Na2CO3 = PbCO3 + Cl2Na2
CH3OH + O2 = CH2O + H2O =>
2 CH3OH + O2 = 2 CH2O + 2 H2O
H3PO4 + CaO = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
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