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203 FeS + 203 O2 = Fe203 + 203 SO2
HCHO + [Ag(NH3)2]OH + H2O = HCOONH4 + Ag + NH4{+} + OH{-} =>
HCHO + 2[Ag(NH3)2]OH + 2 H2O = HCOONH4 + 2 Ag + 3 NH4{+} + 3 OH{-}
H2CO3 + Nb = Nb2(CO3) + H2 =>
H2CO3 + 2 Nb = Nb2(CO3) + H2
C8H10O + H2 = C8H16O =>
C8H10O + 3 H2 = C8H16O
Fe(NO3)2 + NH3 + H2O = Fe(OH)3 + NH4NO3 =>
8 Fe(NO3)2 + 14 NH3 + 21 H2O = 8 Fe(OH)3 + 15 NH4NO3
Zn(s) + HCl = ZnCl(aq) + H2 =>
2 Zn(s) + 2 HCl = 2 ZnCl(aq) + H2
CH3COCl + C3H7OH = CH3COOC3H7 + HCl =>
CH3COCl + C3H7OH = CH3COOC3H7 + HCl
Ca(OH)2(aq) + C2H4O2(aq) = CaCO3(aq) + H20(l) =>
10 Ca(OH)2(aq) + 5 C2H4O2(aq) = 10 CaCO3(aq) + 2 H20(l)
FeS + H2SO4 = Fe2SO43 + H2S + SO2 =>
8 FeS + 45 H2SO4 = 4 Fe2SO43 + 45 H2S + 4 SO2
NaCrO4 + H2SO4 = Na2SO4 + HCrO4 =>
2 NaCrO4 + H2SO4 = Na2SO4 + 2 HCrO4
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
I(s) + Cl(g) = ICl3(g) =>
I(s) + 3 Cl(g) = ICl3(g)
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
OH + CO3Ni = Ni3O4 + H2O + CO2 =>
2 OH + 3 CO3Ni = Ni3O4 + H2O + 3 CO2
FeO + Ag = FeAg + O =>
FeO + Ag = FeAg + O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
NaCrO4 + CuSO4 = CuCrO4 + NaSO4 =>
NaCrO4 + CuSO4 = CuCrO4 + NaSO4
ClO + Mg(OH)2 = MgCl2 + H2O + O2 =>
4 ClO + 2 Mg(OH)2 = 2 MgCl2 + 2 H2O + 3 O2
H{+}1 + Cl{-}1 = HCl =>
H{+}1 + Cl{-}1 = HCl
FeSO4 + NaCO = FeCO + NaSO4 =>
FeSO4 + NaCO = FeCO + NaSO4
LiCl + KH2PO4 + NaOH = Li3PO4 + KCl + H2O + NaCl =>
3 LiCl + KH2PO4 + 2 NaOH = Li3PO4 + KCl + 2 H2O + 2 NaCl
KCl + Na2[PtCl6] = K2[PtCl6] + NaCl =>
2 KCl + Na2[PtCl6] = K2[PtCl6] + 2 NaCl
Zn2CO3 + HCl = ZnCl + H2CO3 =>
Zn2CO3 + 2 HCl = 2 ZnCl + H2CO3
NH3 + SO3 + H2O = (NH4)2SO4 =>
2 NH3 + SO3 + H2O = (NH4)2SO4
CaOH2 + H2SO4 = Ca2SO4 + H3O =>
2 CaOH2 + H2SO4 = Ca2SO4 + 2 H3O
NH3 + H2S = (NH4)2S =>
2 NH3 + H2S = (NH4)2S
KClO + H2S + NaOH = KCl + Na2SO4 + H2O =>
4 KClO + H2S + 2 NaOH = 4 KCl + Na2SO4 + 2 H2O
CrCl3 + NaOH + H2O2 = (Na2Cr2O7)2 + NaCl + (H2O)6 =>
12 CrCl3 + 48 NaOH + 18 H2O2 = 3(Na2Cr2O7)2 + 36 NaCl + 7(H2O)6
CH3OCH3 + O2 = CO2 + H2O =>
CH3OCH3 + 3 O2 = 2 CO2 + 3 H2O
C60H120O30N3 + O2 = CO2 + NO3 + H2O =>
2 C60H120O30N3 + 159 O2 = 120 CO2 + 6 NO3 + 120 H2O
Cu2S + H2O + O2 = H2SO4 + CuO =>
2 Cu2S + 2 H2O + 5 O2 = 2 H2SO4 + 4 CuO
CdCl2 + K2CrO4 = K2Cl2 + CdCrO4 =>
CdCl2 + K2CrO4 = K2Cl2 + CdCrO4
AgCH3COO + Na3PO4 = Ag3PO4 + NaCH3COO =>
3 AgCH3COO + Na3PO4 = Ag3PO4 + 3 NaCH3COO
Cu2S + H2O + O2 = H2SO4 + CuO =>
2 Cu2S + 2 H2O + 5 O2 = 2 H2SO4 + 4 CuO
H2*H2 = H2 =>
H2*H2 = 2 H2
Cu2S + H2O + O2 = H2SO4 + CuO =>
2 Cu2S + 2 H2O + 5 O2 = 2 H2SO4 + 4 CuO
Cr{3+} + NaBiO3 + H{+} = Cr2O7 + Bi{3+} + H2O + Na{+} =>
2 Cr{3+} + 4 NaBiO3 + 10 H{+} = Cr2O7 + 4 Bi{3+} + 5 H2O + 4 Na{+}
NH3 + H2S = (NH4)2S =>
2 NH3 + H2S = (NH4)2S
FeI3(s) = Fe(s) + I2(s) =>
2 FeI3(s) = 2 Fe(s) + 3 I2(s)
H{+} + Cr2O7{2-} + CH3OH = CH2O + Cr{3+} + H2O =>
8 H{+} + Cr2O7{2-} + 3 CH3OH = 3 CH2O + 2 Cr{3+} + 7 H2O
Al + NiSO4 = Al2(SO4)3 + Ni2 =>
4 Al + 6 NiSO4 = 2 Al2(SO4)3 + 3 Ni2
VI + Lu = LuVI =>
VI + Lu = LuVI
MgO + H3BO4 = Mg3(BO4)2 + H2O =>
3 MgO + 2 H3BO4 = Mg3(BO4)2 + 3 H2O
Sm3 + F = SmF3 =>
Sm3 + 9 F = 3 SmF3
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Zn + CuSO{+4} = ZnSO{4} + Cu =>
Zn + CuSO{+4} = ZnSO{4} + Cu
ZnSO4 + Ag = Ag2SO4 + Zn =>
ZnSO4 + 2 Ag = Ag2SO4 + Zn
Ag2S + NaOH = Ag2OH + NaS =>
Ag2S + NaOH = Ag2OH + NaS
Na2SO3 + KHCO3 = Na2CO3 + K2CO3 + SO2 + H2O =>
Na2SO3 + 2 KHCO3 = Na2CO3 + K2CO3 + SO2 + H2O
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