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PbS + PbSO4 = 2 Pb + 2 SO2
Ca(OH)2 + K = K(OH)2 + Ca =>
Ca(OH)2 + K = K(OH)2 + Ca
KOH + Br2 = KBrO3 + H2O + KBr =>
6 KOH + 3 Br2 = KBrO3 + 3 H2O + 5 KBr
K2Cr2O7 + HCl = KCl + CrCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl + 7 H2O + 5 Cl2
C2H2O2 + C6H14O = C8H16O2 + H2O =>
6 C2H2O2 + 10 C6H14O = 9 C8H16O2 + 4 H2O
ClO{-} + Mn(OH)2 = Cl{-} + MnO2 + H2O =>
ClO{-} + Mn(OH)2 = Cl{-} + MnO2 + H2O
NaNO2 + KMnO4 + H2SO4 = K2SO4 + H2O + NO2 + NaSO4 + MnSO4 =>
5 NaNO2 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 8 H2O + 5 NO2 + 5 NaSO4 + 2 MnSO4
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
NaClO3 + Mn = NaCl + MnO2 =>
2 NaClO3 + 3 Mn = 2 NaCl + 3 MnO2
Mg + AgNO3 = Mg(NO3) + Ag =>
Mg + AgNO3 = Mg(NO3) + Ag
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
Cl2 + CrCl3 + NaCH3COO + H2O = NaCl + Na2CrO4 + CH3COOH =>
3 Cl2 + 2 CrCl3 + 16 NaCH3COO + 8 H2O = 12 NaCl + 2 Na2CrO4 + 16 CH3COOH
C + Fe3O4 = CO + Fe =>
4 C + Fe3O4 = 4 CO + 3 Fe
HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O
C2H3Br3 + O2 = CO2 + HBr =>
C2H3Br3 + 2 O2 = 2 CO2 + 3 HBr
SnCI4 + FeCI2 = SnCI2 + FeCI3 =>
SnCI4 + 2 FeCI2 = SnCI2 + 2 FeCI3
Na(OH) + NH4 = H2O + NaNH3 =>
Na(OH) + NH4 = H2O + NaNH3
SO2 + NaOH = Na2S + SO3 + H2O =>
4 SO2 + 2 NaOH = Na2S + 3 SO3 + H2O
K2O + H2O = KO + H =>
K2O + H2O = 2 KO + 2 H
C(s) + K2CO3(s) = K(s) + CO2(g) =>
C(s) + 2 K2CO3(s) = 4 K(s) + 3 CO2(g)
FeO + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 FeO + 2 KMnO4 + 18 H2SO4 = 5 Fe2(SO4)3 + K2SO4 + 2 MnSO4 + 18 H2O
(NH4)2Fe(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
(NH4)2Fe(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + 6 H2O
KNO3 + AlF3 = KF + Al(NO3)3 =>
3 KNO3 + AlF3 = 3 KF + Al(NO3)3
H2 + Mg2 = MgH =>
H2 + Mg2 = 2 MgH
Hg2(ClO3)2 + MgBr2 = Hg2Br2 + Mg(ClO3)2 =>
Hg2(ClO3)2 + MgBr2 = Hg2Br2 + Mg(ClO3)2
Mg(s) + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg(s) + 2 H3PO4 = Mg3(PO4)2 + 3 H2
P + Na2SO4 = Na2S + P2O5 =>
8 P + 5 Na2SO4 = 5 Na2S + 4 P2O5
SO2 + Hg(OH)2 = HgSO3 + H2O =>
SO2 + Hg(OH)2 = HgSO3 + H2O
FeClO3 = FeCl + O2 =>
2 FeClO3 = 2 FeCl + 3 O2
CaCl2 + Li = LiCl + Ca =>
CaCl2 + 2 Li = 2 LiCl + Ca
CH3(CH)2COONa + NaOH = C3H6 + Na2CO3 =>
CH3(CH)2COONa + NaOH = C3H6 + Na2CO3
NH4OH + H2SO4 = NH4SO3 + H2O + O =>
2 NH4OH + 2 H2SO4 = 2 NH4SO3 + 3 H2O + O
HCl(aq) + Na2SO3(aq) = H2O(l) + NaCl() + SO2(g) =>
2 HCl(aq) + Na2SO3(aq) = H2O(l) + 2 NaCl() + SO2(g)
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
CH4 + CO2 = CO + H2 =>
CH4 + CO2 = 2 CO + 2 H2
Cu(s) + ZnCl2(aq) = CuCl2(aq) + Zn(s) =>
Cu(s) + ZnCl2(aq) = CuCl2(aq) + Zn(s)
CaCO3 + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3 + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
FeSO4 + NaOH = Fe(OH)2Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2Na2SO4
NO3{-} + e + H3O{+} = NO + H2O =>
NO3{-} + 3e + 4 H3O{+} = NO + 6 H2O
C2H2 + K2MnO4 + H2O = C2O4H2 + MnO2 + KOH =>
C2H2 + 4 K2MnO4 + 4 H2O = C2O4H2 + 4 MnO2 + 8 KOH
Si + Ca(OH)2 = Ca2Si + OH =>
Si + 2 Ca(OH)2 = Ca2Si + 4 OH
Fe(NO3)3 + Ba(OH)2 = Fe(OH)3 + Ba(NO3)2 =>
2 Fe(NO3)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(NO3)2
Cl + NaI2 = Na + ClI =>
2 Cl + NaI2 = Na + 2 ClI
Ca(NO3)2 + H2O = Ca(OH)2 + HNO3 =>
Ca(NO3)2 + 2 H2O = Ca(OH)2 + 2 HNO3
Ag(No3) + Na2Co3 = AgCo3 + Na2(No3) =>
Ag(No3) + Na2Co3 = AgCo3 + Na2(No3)
AlCl3(aq) + K2CO3(aq) = Al2(CO3)3(aq) + KCl(s) =>
2 AlCl3(aq) + 3 K2CO3(aq) = Al2(CO3)3(aq) + 6 KCl(s)
AgNO3(aq) = Ag(s) + O2(g) + NO2(g) =>
2 AgNO3(aq) = 2 Ag(s) + O2(g) + 2 NO2(g)
S4O6{-2} + I2 = S8 + IO3{-} =>
2 S4O6{-2} + 2 I2 = S8 + 4 IO3{-}
C11H24 + O2 = CO + H2O =>
2 C11H24 + 23 O2 = 22 CO + 24 H2O
S8 + Ag = SAg8 =>
S8 + 64 Ag = 8 SAg8
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