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(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
Cd2 + S2 = CdS =>
Cd2 + S2 = 2 CdS
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg + F2 = MgF =>
2 Mg + F2 = 2 MgF
Pb(NO3)2 + K2SO4 = KNO3 + PbSO4 =>
Pb(NO3)2 + K2SO4 = 2 KNO3 + PbSO4
Cu(NH3)4Cl2 + KNC + H2O = NH3 + NH4Cl + K2Cu(CN)3 + KON + KCl =>
4 Cu(NH3)4Cl2 + 12 KNC + H2O = 10 NH3 + 5 NH4Cl + 4 K2Cu(CN)3 + KON + 3 KCl
NaK + O2 = Na2O2 + KO2 =>
2 NaK + 3 O2 = Na2O2 + 2 KO2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
CuSO4 + Na = Cu2Na + SO4 =>
2 CuSO4 + Na = Cu2Na + 2 SO4
N2O + H2O = NH4NO3 =>
N2O + 2 H2O = NH4NO3
P + Ca = Ca3P =>
P + 3 Ca = Ca3P
IO{-}3 + N2H4 = I{-} + N2 + H2O =>
2 IO{-}3 + N2H4 = 2 I{-} + N2 + 2 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
CrI3Br = CrBrI3 =>
CrI3Br = CrBrI3
C2H3Cl3 + O2 = CO + HCl =>
C2H3Cl3 + O2 = 2 CO + 3 HCl
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Br2 + LiCl = Cl2 + LiBr =>
Br2 + 2 LiCl = Cl2 + 2 LiBr
Fe2O3(s) + S2(g) = FeS2(s) + SO2(g) =>
4 Fe2O3(s) + 11 S2(g) = 8 FeS2(s) + 6 SO2(g)
K + HgCl2 = Hg + KCl2 =>
K + HgCl2 = Hg + KCl2
C2H3Cl3 + O2 = CO + HCl =>
C2H3Cl3 + O2 = 2 CO + 3 HCl
KClO3 = KClO4 + KCl = O2 =>
4 KClO3 = 3 KClO4 + KCl
H2 + Br2 = HBr = H2 + BR2 = =>
H2 + Br2 = 2 HBr
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
MnO + NO2 = MnNO3 =>
MnO + NO2 = MnNO3
Pd(ClO4)2 + H2 = Pd + HClO4 =>
Pd(ClO4)2 + H2 = Pd + 2 HClO4
BeCl2 + NaOH = Na2BeO2 + HCl =>
BeCl2 + 2 NaOH = Na2BeO2 + 2 HCl
CH2O + NaOH = CH3OH + NaO =>
CH2O + 2 NaOH = CH3OH + 2 NaO
NH4ClO3 + Ca(OH)2 = NH4OH + Ca(ClO3)2 =>
2 NH4ClO3 + Ca(OH)2 = 2 NH4OH + Ca(ClO3)2
CrO3 + Fe(OH)2 = FeCrO4 + H2O =>
CrO3 + Fe(OH)2 = FeCrO4 + H2O
VO2 + H2SO4 + NH4(C2H5O)2PS2 = VO2(C2H5O)2PS2 + NH4SO4 + H =>
VO2 + H2SO4 + NH4(C2H5O)2PS2 = VO2(C2H5O)2PS2 + NH4SO4 + 2 H
H3N = H + N2 =>
2 H3N = 6 H + N2
C6 = C3 =>
C6 = 2 C3
HCl + K = KCl + H2 =>
2 HCl + 2 K = 2 KCl + H2
BCl3 + H2O = B(OH)3 + HCl =>
BCl3 + 3 H2O = B(OH)3 + 3 HCl
Cu + ZnCl2 = CuCl2 + Zn =>
Cu + ZnCl2 = CuCl2 + Zn
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuSO4 + Na = Cu2Na + SO4 =>
2 CuSO4 + Na = Cu2Na + 2 SO4
Fe + MgCl2 = FeCl2 + Mg =>
Fe + MgCl2 = FeCl2 + Mg
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Sn + Cr(NO3)3 = Sn(NO3)2 + Cr =>
3 Sn + 2 Cr(NO3)3 = 3 Sn(NO3)2 + 2 Cr
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
MnO4{-} + Fe2{+} + H{+} = Mn2{+} + Fe2O33{+} + OH{-} =>
132 MnO4{-} + 13 Fe2{+} + 99 H{+} = 66 Mn2{+} + 13 Fe2O33{+} + 99 OH{-}
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Sn + Cr(NO3)3 = Sn(NO3) + Cr =>
3 Sn + Cr(NO3)3 = 3 Sn(NO3) + Cr
MgCO3SiO2 = MgO2SiCO3 =>
MgCO3SiO2 = MgO2SiCO3
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
C2H6(g) + O2 = H2O(g) + CO2(g) =>
2 C2H6(g) + 7 O2 = 6 H2O(g) + 4 CO2(g)
Mn + Cr(NO3)2 = Mn(NO3)2 + Cr =>
Mn + Cr(NO3)2 = Mn(NO3)2 + Cr
NH4SCN + FeCl3 = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN + FeCl3 = 3 NH3 + 3 HCl + Fe(SCN)3
Br + Mn = BrMn =>
Br + Mn = BrMn
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