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KO2 + K = K2O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
SiF4 + H2O = H4SiO4 + H2SiF6 =>
3 SiF4 + 4 H2O = H4SiO4 + 2 H2SiF6
HCl(aq) + K2SO3(aq) = H2SO3(aq) + KCl(aq) =>
2 HCl(aq) + K2SO3(aq) = H2SO3(aq) + 2 KCl(aq)
Cd + CuSO4 = CdSO4 + Cu =>
Cd + CuSO4 = CdSO4 + Cu
Y2O3 + NH4HF2 = (NH4)3Y2F9 + NH3 + H2O =>
2 Y2O3 + 9 NH4HF2 = 2(NH4)3Y2F9 + 3 NH3 + 6 H2O
Fe(SCN)3 + NaOH = Na(SCN)3 + FeOH =>
Fe(SCN)3 + NaOH = Na(SCN)3 + FeOH
CO2 + S2 = COS + O2 =>
2 CO2 + S2 = 2 COS + O2
NH4Br + Pb(C2H3O2)2 = C2H7NO2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 C2H7NO2 + PbBr2
MnO4H + SH2 = H2O + MnS + SO2 =>
6 MnO4H + 11 SH2 = 14 H2O + 6 MnS + 5 SO2
Na2(SO4) + Sr(OH)2 = Na(OH) + Sr(SO4) =>
Na2(SO4) + Sr(OH)2 = 2 Na(OH) + Sr(SO4)
Mn2O7 + KOH = KMnO4 + H2O =>
Mn2O7 + 2 KOH = 2 KMnO4 + H2O
C10H20O + Cr2O7 = C10H16O + Cr + H2O =>
7 C10H20O + 2 Cr2O7 = 7 C10H16O + 4 Cr + 14 H2O
FeS + HNO3 = Fe(NO3)2 + H2S =>
FeS + 2 HNO3 = Fe(NO3)2 + H2S
C6H12O6 + MgSO4 = C6H6O3 + MgO + H2SO4H2O =>
2 C6H12O6 + 3 MgSO4 = 2 C6H6O3 + 3 MgO + 3 H2SO4H2O
CdO + HCl = CdCl2 + H2O =>
CdO + 2 HCl = CdCl2 + H2O
Cr2O7 + CH3CH2OH + H{+} = Cr3{+} + CH3CHO + H2O =>
3 Cr2O7 + 20 CH3CH2OH + 2 H{+} = 2 Cr3{+} + 20 CH3CHO + 21 H2O
MnO + KOH + O2 = KMnO4 + H2O =>
4 MnO + 4 KOH + 5 O2 = 4 KMnO4 + 2 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
K2CO3 + CdI2 = K2I2 + CdCO3 =>
K2CO3 + CdI2 = K2I2 + CdCO3
HCl + NaCHO2 = NaCl + CH2O2 =>
HCl + NaCHO2 = NaCl + CH2O2
Mn + Se = MnSe =>
Mn + Se = MnSe
Cd + NaOH = CdOH + Na =>
Cd + NaOH = CdOH + Na
Cl2 + C + H2O = CO2 + H{+} + Cl{-}1 =>
2 Cl2 + C + 2 H2O = CO2 + 4 H{+} + 4 Cl{-}1
Pt + S8 = PtS2 =>
4 Pt + S8 = 4 PtS2
CaH2 + HCl = CaCl2 + H2 =>
CaH2 + 2 HCl = CaCl2 + 2 H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuSO4(aq) + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4(aq) + 2 Fe = Fe2(SO4)3 + 3 Cu
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Ni2O3 + CO = NiO + CO2 =>
Ni2O3 + CO = 2 NiO + CO2
SrO + H2O = H2 + SrO2 =>
SrO + H2O = H2 + SrO2
FeO + KClO4 + KOH = K2FeO4 + KClO + H2O =>
3 FeO + 2 KClO4 + 6 KOH = 3 K2FeO4 + 2 KClO + 3 H2O
NH4Cl + Na2CO3 = NH3 + H2O + NaCl + CO2 =>
2 NH4Cl + Na2CO3 = 2 NH3 + H2O + 2 NaCl + CO2
C + H = CH4 =>
C + 4 H = CH4
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
CH3COOH + NH4OH = NH4CH3COO + H2O =>
CH3COOH + NH4OH = NH4CH3COO + H2O
Na2Br + AgNO3 = NaNO3 + Ag2Br =>
Na2Br + 2 AgNO3 = 2 NaNO3 + Ag2Br
Mg + Fe(Cl)3 = Mg(Cl)2 + Fe =>
3 Mg + 2 Fe(Cl)3 = 3 Mg(Cl)2 + 2 Fe
Al(NO3)3 + NaCl = AlCl3 + NaNO3 =>
Al(NO3)3 + 3 NaCl = AlCl3 + 3 NaNO3
Fe(OH)2 + NH3(aq) + H2O = Fe(OH)3 + NH4 =>
Fe(OH)2 + NH3(aq) + H2O = Fe(OH)3 + NH4
(NH4)2S + HNO3 = (NH4)NO3 + H2S =>
(NH4)2S + 2 HNO3 = 2(NH4)NO3 + H2S
CuSO4 + Zn(NO3)2 = CuNO3 + Zn(SO4)2 =>
2 CuSO4 + Zn(NO3)2 = 2 CuNO3 + Zn(SO4)2
Al + CO = Al4C3 + Al2O3 =>
6 Al + 3 CO = Al4C3 + Al2O3
Zn(OH)2 + NH4OH = Zn(NH3)4(OH)2 + H2O =>
Zn(OH)2 + 4 NH4OH = Zn(NH3)4(OH)2 + 4 H2O
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
SnCl2 + HgCl4 = SnCl4 + Hg2Cl =>
7 SnCl2 + 4 HgCl4 = 7 SnCl4 + 2 Hg2Cl
Cl + F2 = FCl3 =>
6 Cl + F2 = 2 FCl3
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
CH2CH2 + Br2 = BrCH2CH2Br =>
CH2CH2 + Br2 = BrCH2CH2Br
Br2 + O2 = BrO7 =>
Br2 + 7 O2 = 2 BrO7
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