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5 SO2 + 2 KMnO4 + 2 H2O = 2 MnSO4 + K2SO4 + 2 H2SO4
Fe + S + H2SO4 = FeSO4 + H2S =>
Fe + S + H2SO4 = FeSO4 + H2S
P2O4 + O2 = P2O5 =>
2 P2O4 + O2 = 2 P2O5
Ag + CO2 = AgCO2 =>
Ag + CO2 = AgCO2
Zn + (SO4)2 = Zn2(SO4)2 =>
2 Zn + (SO4)2 = Zn2(SO4)2
NaNO3 + H2SO3 = HNO3 + NaHSO3 =>
NaNO3 + H2SO3 = HNO3 + NaHSO3
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s) =>
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s)
FeS + O2 = FeO + S2 =>
2 FeS + O2 = 2 FeO + S2
NH3I + AgC2H3O2 = NH3C2H3O2 + AgI =>
NH3I + AgC2H3O2 = NH3C2H3O2 + AgI
Na(Al(OH)4) + HCl = NaCl + Al(OH)3H2O =>
Na(Al(OH)4) + HCl = NaCl + Al(OH)3H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
NaCl(aq) + CaO(aq) = CaCl2(aq) + Na2O(aq) =>
2 NaCl(aq) + CaO(aq) = CaCl2(aq) + Na2O(aq)
NaNO3 + H2SO3 = HNO3 + NaHSO3 =>
NaNO3 + H2SO3 = HNO3 + NaHSO3
Fe2 + H2S = FeS + H2 =>
Fe2 + 2 H2S = 2 FeS + 2 H2
Cr(Br)3 + H2O2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Cr(Br)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s) =>
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
CO2 + H2O = C6H2OO6 + O2 =>
6 CO2 + H2O = C6H2OO6 + 3 O2
Zn + (SO4)2 = Zn2(SO4)2 =>
2 Zn + (SO4)2 = Zn2(SO4)2
FeCl3 + K2CO3 + HOH = Fe(OH)3 + H2CO3 + KCl =>
2 FeCl3 + 3 K2CO3 + 6 HOH = 2 Fe(OH)3 + 3 H2CO3 + 6 KCl
MgCl2 + KOH = K2Cl2 + Mg(OH)2 =>
MgCl2 + 2 KOH = K2Cl2 + Mg(OH)2
H2O + S1 = S1O2 + H2 =>
2 H2O + S1 = S1O2 + 2 H2
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
Na2B4O7 + Cr2O3 = NaBO2 + CrBO3 =>
Na2B4O7 + Cr2O3 = 2 NaBO2 + 2 CrBO3
Fe + Fe2O4 = Fe3O4 =>
Fe + Fe2O4 = Fe3O4
CrO4{-2} + HSnO2{-} + H2O = CrO2{-} + HSnO3{-} + OH{-} =>
2 CrO4{-2} + 3 HSnO2{-} + H2O = 2 CrO2{-} + 3 HSnO3{-} + 2 OH{-}
BaS + O2 = Ba2O + S =>
4 BaS + O2 = 2 Ba2O + 4 S
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s) =>
NaCl(aq)AgBr(aq) = NaBr(aq)AgCl(s)
CuSO4 + Na2SO3 + H2O = Cu + Na2SO4 + H2SO4 =>
CuSO4 + Na2SO3 + H2O = Cu + Na2SO4 + H2SO4
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
AlH2O = AlOH2 =>
AlH2O = AlOH2
CaSO4 + HNO3 = Ca(NO3)2 + H2SO4 =>
CaSO4 + 2 HNO3 = Ca(NO3)2 + H2SO4
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
AgN + NaCl = NaN + AgCl =>
AgN + NaCl = NaN + AgCl
HS + HCO3 = CO3 + H2S =>
HS + HCO3 = CO3 + H2S
H2SO4 + KI + Na2SO3 = I2 + Na2S + K2SO4 + H2O =>
3 H2SO4 + 6 KI + Na2SO3 = 3 I2 + Na2S + 3 K2SO4 + 3 H2O
FeS + O2 = FeO + S2 =>
2 FeS + O2 = 2 FeO + S2
Cr{+3} + Ni = Cr + Ni{+2} =>
2 Cr{+3} + 3 Ni = 2 Cr + 3 Ni{+2}
NH4 + NaOCl = N2 + NaCl + H2O =>
2 NH4 + 4 NaOCl = N2 + 4 NaCl + 4 H2O
C7H9N + HNO3 = C7H8O + H2O + N2 =>
5 C7H9N + 3 HNO3 = 5 C7H8O + 4 H2O + 4 N2
CrOH3 + Na2CO3 + KClO3 = KCl + CO2 + H2O + Na2CrO4 =>
6 CrOH3 + 6 Na2CO3 + 7 KClO3 = 7 KCl + 6 CO2 + 9 H2O + 6 Na2CrO4
CuO + Ca = Cu2 + CaO =>
2 CuO + 2 Ca = Cu2 + 2 CaO
BeF2 + Ca = CaF2 + Be =>
BeF2 + Ca = CaF2 + Be
HClO3 + S = HCl + SO2 =>
2 HClO3 + 3 S = 2 HCl + 3 SO2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Al + NiSO4 = Ni + Al(SO4) =>
Al + NiSO4 = Ni + Al(SO4)
Zn3N2 + CaBr = Ca3N2 + ZnBr =>
Zn3N2 + 3 CaBr = Ca3N2 + 3 ZnBr
SbOCl + H2SO4 = Sb2S2O + HCl + O2 + H2O =>
2 SbOCl + 2 H2SO4 = Sb2S2O + 2 HCl + 4 O2 + H2O
CaCO3 + K2CO3 = Ca(CO3)2 + K =>
CaCO3 + K2CO3 = Ca(CO3)2 + 2 K
Ni + Na2CO3 = Ni(CO3)2 + Na =>
Ni + 2 Na2CO3 = Ni(CO3)2 + 4 Na
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