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2 W + 2 Na2CO3 + 3 O2 = 2 Na2WO4 + 2 CO2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Sn{+2} + Hg{+2} = Sn{4+} + Hg2{+2} =>
Sn{+2} + 2 Hg{+2} = Sn{4+} + Hg2{+2}
CaH2 = Ca + H =>
CaH2 = Ca + 2 H
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Al2O3 + Cl = AlCl3 + O2 =>
2 Al2O3 + 12 Cl = 4 AlCl3 + 3 O2
KH + CH3CH2OH = CH3CH2CH2K + H2O =>
2 KH + 3 CH3CH2OH = 2 CH3CH2CH2K + 3 H2O
Ca + Mn2(SO4)3 = Mn + CaSO4 =>
3 Ca + Mn2(SO4)3 = 2 Mn + 3 CaSO4
BaCO3 + CH3COOH = Ba(CH3COO)2 + H2O + CO2 =>
BaCO3 + 2 CH3COOH = Ba(CH3COO)2 + H2O + CO2
La(NO3)(TeO3) = La(TeO3)(NO) + O2 =>
La(NO3)(TeO3) = La(TeO3)(NO) + O2
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
FeBr3 + LiOH = Fe(OH)3 + LiBr =>
FeBr3 + 3 LiOH = Fe(OH)3 + 3 LiBr
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
(VO2)2SO4 + Zn + H2SO4 = (VO)SO4 + ZnSO4 + H2O =>
(VO2)2SO4 + Zn + 2 H2SO4 = 2(VO)SO4 + ZnSO4 + 2 H2O
Fe + O2 + KOH = KFeO2 + H2O =>
4 Fe + 3 O2 + 4 KOH = 4 KFeO2 + 2 H2O
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
Na2S03 = Na2S04 + Na2S =>
3 Na2S03 = 2 Na2S04 + Na2S
H3PO3 + Ba(OH)2 + NaOH = NaBaPO3 + H2O =>
H3PO3 + Ba(OH)2 + NaOH = NaBaPO3 + 3 H2O
Na2SO3 + KI + H2SO4 = I2 + K2SO4 + Na2S + H2O =>
Na2SO3 + 6 KI + 3 H2SO4 = 3 I2 + 3 K2SO4 + Na2S + 3 H2O
NH4 + S = H2S + NH3 =>
2 NH4 + S = H2S + 2 NH3
BaCl + (NaSO4)2 = NaCl + (BaSO4)2 =>
2 BaCl + (NaSO4)2 = 2 NaCl + (BaSO4)2
Bi(NO3)2 + SnCl2 + NaOH = Bi + Na2[Sn(OH)6] + NaNO3 + NaCl =>
Bi(NO3)2 + SnCl2 + 6 NaOH = Bi + Na2[Sn(OH)6] + 2 NaNO3 + 2 NaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe3O4 + KNO3 + KOH = KNO2 + H2O + K2FeO4 =>
Fe3O4 + 5 KNO3 + 6 KOH = 5 KNO2 + 3 H2O + 3 K2FeO4
As + Cl2 = AsCl5 =>
2 As + 5 Cl2 = 2 AsCl5
H2 + NaOH = Na + HOH =>
H2 + 2 NaOH = 2 Na + 2 HOH
BaO + SO3 = Ba4S + O4 =>
16 BaO + 4 SO3 = 4 Ba4S + 7 O4
Ca(OH)2 + CrCO3 = CaCO3 + Cr(OH)2 =>
Ca(OH)2 + CrCO3 = CaCO3 + Cr(OH)2
Ag2C2 + O2 = Ag + CO2 =>
Ag2C2 + 2 O2 = 2 Ag + 2 CO2
F2(g) + LiI(aq) = LiF + I2 =>
F2(g) + 2 LiI(aq) = 2 LiF + I2
NaSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + NaCN + H2O =>
5 NaSCN + 6 KMnO4 + 4 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 NaCN + 4 H2O
HBr(aq) + KOH(aq) = KBr(aq) + H2O(l) =>
HBr(aq) + KOH(aq) = KBr(aq) + H2O(l)
PbO2 + Ca = CaO2 + Pb =>
PbO2 + Ca = CaO2 + Pb
Co + Fe2 = CoFe3 =>
2 Co + 3 Fe2 = 2 CoFe3
K2MnO4 + Br2 = KBr + MnO4 =>
K2MnO4 + Br2 = 2 KBr + MnO4
SO2NH2 + H3O = SO2NH3 + H2O =>
SO2NH2 + H3O = SO2NH3 + H2O
C10H18O + NaBH4 + H2O = C10H20O + BH3 + NaOH =>
C10H18O + NaBH4 + H2O = C10H20O + BH3 + NaOH
Mn(C2H3O2)2 + Ba(OH)2 = Mn(OH)2 + Ba(C2H3O2)2 =>
Mn(C2H3O2)2 + Ba(OH)2 = Mn(OH)2 + Ba(C2H3O2)2
Ra + F2 = RaF2 =>
Ra + F2 = RaF2
MnO4{-} + S{2-} + H{+} = S + MnO2 + H2O =>
2 MnO4{-} + 3 S{2-} + 8 H{+} = 3 S + 2 MnO2 + 4 H2O
BaO + SO2 = BaSO3 =>
BaO + SO2 = BaSO3
Cu2(aq) + OH(aq) = Cu(OH)2 =>
Cu2(aq) + 4 OH(aq) = 2 Cu(OH)2
C6H6 + O2 = H6O2 + C6 =>
C6H6 + O2 = H6O2 + C6
BaCO3 + CH3COOH = Ba(CH3COO)2 + H2O + CO2 =>
BaCO3 + 2 CH3COOH = Ba(CH3COO)2 + H2O + CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
O2N + H2O + O2 = O3NH =>
4 O2N + 2 H2O + O2 = 4 O3NH
NaSH + CuSO4 = Na2SO4 + H2SO4 + CuS =>
2 NaSH + 2 CuSO4 = Na2SO4 + H2SO4 + 2 CuS
Co(NO3)2 = CoO + NO2 + O2 =>
2 Co(NO3)2 = 2 CoO + 4 NO2 + O2
Ag3PO4 + NaOH = Ag + Na3PO4 + OH =>
Ag3PO4 + 3 NaOH = 3 Ag + Na3PO4 + 3 OH
Zn + Pb(NO2)2 = Zn(NO2) + Pb =>
2 Zn + Pb(NO2)2 = 2 Zn(NO2) + Pb
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