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4 FeCl2 + 8 NaOH + O2 = 2 Fe2O3 + 8 NaCl + 4 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Zn + Na(NO3) + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + Na(NO3) + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
CaBr2 + K(OH) = Ca(OH)2 + KBr =>
CaBr2 + 2 K(OH) = Ca(OH)2 + 2 KBr
CH3F + Cl2 = CFCl3 + HCl =>
CH3F + 3 Cl2 = CFCl3 + 3 HCl
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
BaO + HOH = Ba + OH =>
BaO + HOH = Ba + 2 OH
CaC2 + CO2 + H2O = Ca(OH)2 + C3O2H3 =>
11 CaC2 + 8 CO2 + 26 H2O = 11 Ca(OH)2 + 10 C3O2H3
C2H2 + C2H6 = C4H8 =>
C2H2 + C2H6 = C4H8
HCO3{-} + NH3 = CO3{2-} + NH4{+} =>
HCO3{-} + NH3 = CO3{2-} + NH4{+}
Cr2O7{2-} + C2H5OH + H3O{+} = Cr{3+} + CH3CHO + H2O =>
Cr2O7{2-} + 3 C2H5OH + 8 H3O{+} = 2 Cr{3+} + 3 CH3CHO + 15 H2O
Ba + HClO3 = Ba(ClO3)2 + ClO + H2O =>
3 Ba + 8 HClO3 = 3 Ba(ClO3)2 + 2 ClO + 4 H2O
CoBr2 + K2S = CoS + KBr =>
CoBr2 + K2S = CoS + 2 KBr
Sb(HCO3)3 = Sb2O3 + CO2 + H2O =>
2 Sb(HCO3)3 = Sb2O3 + 6 CO2 + 3 H2O
Si4 + O2 = SiO2 =>
Si4 + 4 O2 = 4 SiO2
NaCl(aq) + Ba(NO3)2(aq) = Na(NO3)(aq) + BaCl2(aq) =>
2 NaCl(aq) + Ba(NO3)2(aq) = 2 Na(NO3)(aq) + BaCl2(aq)
Mg(s) + Pb(NO3)2(aq) = Mg(NO3)2(aq) + Pb(s) =>
Mg(s) + Pb(NO3)2(aq) = Mg(NO3)2(aq) + Pb(s)
C7H8 + H2SO4 = SO2 + H2O + C7H6O =>
C7H8 + 2 H2SO4 = 2 SO2 + 3 H2O + C7H6O
NH4{+} + CN{-} = NH3 + HCN =>
NH4{+} + CN{-} = NH3 + HCN
Pb + Po4 = PbPo4 =>
Pb + Po4 = PbPo4
PH4I + HIO3 = I2 + H3PO4 + H2O =>
5 PH4I + 9 HIO3 = 7 I2 + 5 H3PO4 + 7 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
CaCO3(aq) + HNO3(aq) = Ca(NO3)2 + H2CO3 =>
CaCO3(aq) + 2 HNO3(aq) = Ca(NO3)2 + H2CO3
Fe{2+} + Cl = Fe{3+} + Cl{-} =>
Fe{2+} + Cl = Fe{3+} + Cl{-}
Ca3(PO4)2 + H2(SO4) = Ca(SO4) + H3PO4 =>
Ca3(PO4)2 + 3 H2(SO4) = 3 Ca(SO4) + 2 H3PO4
H2 + S4 = HS =>
2 H2 + S4 = 4 HS
HClO + Ba = Ba(ClO)2 + H2 =>
2 HClO + Ba = Ba(ClO)2 + H2
Zn + Mg(SO4) = Zn(SO4) + Mg =>
Zn + Mg(SO4) = Zn(SO4) + Mg
Na2CrO4 + NaI + H2SO4 = Cr2(SO4)3 + I2 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 NaI + 8 H2SO4 = Cr2(SO4)3 + 3 I2 + 5 Na2SO4 + 8 H2O
Na2CO3 + Zn(CH3COO)2 = ZnCO3 + NaCH3COO =>
Na2CO3 + Zn(CH3COO)2 = ZnCO3 + 2 NaCH3COO
KSCN + KMnO4 + HCl = (CN)2 + MnCl2 + K2SO4 + KCl + H2O =>
10 KSCN + 14 KMnO4 + 32 HCl = 5(CN)2 + 14 MnCl2 + 10 K2SO4 + 4 KCl + 16 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H(OH) =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H(OH)
H2SO3 + Pb(OH)2 = PbSO3 + H2O =>
H2SO3 + Pb(OH)2 = PbSO3 + 2 H2O
PbO + CO2 = PbCO3 =>
PbO + CO2 = PbCO3
Br2 + FeBr3 = FeBr5 =>
Br2 + FeBr3 = FeBr5
H2O2 + I = HI + O2 =>
H2O2 + 2 I = 2 HI + O2
Na2[Sn(OH)6] + HCl = NaCl + SnCl4 + H2O =>
Na2[Sn(OH)6] + 6 HCl = 2 NaCl + SnCl4 + 6 H2O
NaOH + AlCl3 = Al(OH)3 + NaCl =>
3 NaOH + AlCl3 = Al(OH)3 + 3 NaCl
CrO4{2-} + S2O4{2-} + H2O = Cr(OH)3 + SO4{2-} + OH{-} =>
2 CrO4{2-} + S2O4{2-} + 4 H2O = 2 Cr(OH)3 + 2 SO4{2-} + 2 OH{-}
Mg(ClO2)2 = MgCl2 + O2 =>
Mg(ClO2)2 = MgCl2 + 2 O2
C6H12 + O = CO2 + H2O =>
C6H12 + 18 O = 6 CO2 + 6 H2O
Mg3N2(s) + H2O(l) = Mg(OH)2(aq) + NH3(g) =>
Mg3N2(s) + 6 H2O(l) = 3 Mg(OH)2(aq) + 2 NH3(g)
V + KOH + KClO3 = KCl + KVO3 + H2O =>
6 V + 6 KOH + 5 KClO3 = 5 KCl + 6 KVO3 + 3 H2O
MgCO3 + C2H4O2 = Mg(C2H3O2)2 + H2CO3 =>
MgCO3 + 2 C2H4O2 = Mg(C2H3O2)2 + H2CO3
Pb(NO2)2 = Pb + NO2 =>
Pb(NO2)2 = Pb + 2 NO2
FeS + H2SO4 = Fe2SO43 + H2S + SO2 =>
8 FeS + 45 H2SO4 = 4 Fe2SO43 + 45 H2S + 4 SO2
Ca + Mg3N2 = CaN + Mg =>
2 Ca + Mg3N2 = 2 CaN + 3 Mg
Ag(s) + H2S(aq) = Ag2S(aq) + H2(g) =>
2 Ag(s) + H2S(aq) = Ag2S(aq) + H2(g)
C2H4Cl2 = C2H3Cl + HCl =>
C2H4Cl2 = C2H3Cl + HCl
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