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4 P + 5 O2 = 2 P2O5
Na(OH) + H2SO4 = Na2SO4 + H2O =>
2 Na(OH) + H2SO4 = Na2SO4 + 2 H2O
FeCl3 + Na(OH) = Fe(OH)3 + NaCl =>
FeCl3 + 3 Na(OH) = Fe(OH)3 + 3 NaCl
NaClO + KBr = KCl + NaBrO =>
NaClO + KBr = KCl + NaBrO
H3PO4 + Al = Al2(PO4)3 + H2 =>
6 H3PO4 + 4 Al = 2 Al2(PO4)3 + 9 H2
Pb(NO3)2 + (NH4)2S = PbS + NH4NO3 =>
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
(NH4)2MoO4 + Zn + HCl = Mo5O14 + NH4Cl + ZnCl2 + H2O =>
5(NH4)2MoO4 + Zn + 12 HCl = Mo5O14 + 10 NH4Cl + ZnCl2 + 6 H2O
[Me4N]I + I2 = [Me4N]I3 =>
[Me4N]I + I2 = [Me4N]I3
(NH2)2CO + Na2C2 = NaCN + NH3 + CO =>
3(NH2)2CO + Na2C2 = 2 NaCN + 4 NH3 + 3 CO
PbN2O6 + CaCl2 = PbCl2 + Ca(NO3)2 =>
PbN2O6 + CaCl2 = PbCl2 + Ca(NO3)2
Eu + Al + Ga2S4 + S = EuAlGaS4 =>
2 Eu + 2 Al + Ga2S4 + 4 S = 2 EuAlGaS4
CH3CHO + [Ag(NH3)2]NO3 + NaOH = CH3COONa + Ag + NH3 + H2O =>
9 CH3CHO + 2[Ag(NH3)2]NO3 + 9 NaOH = 9 CH3COONa + 2 Ag + 6 NH3 + 6 H2O
HCOH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 HCOH + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
Na2S2O5 + NH3 + H2O = (NH4)2SO3 + NaOH =>
Na2S2O5 + 4 NH3 + 3 H2O = 2(NH4)2SO3 + 2 NaOH
Zn2(CO3)3 + Ga = Ga(CO3) + Zn =>
Zn2(CO3)3 + 3 Ga = 3 Ga(CO3) + 2 Zn
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
NH3 + ClF3 = N2 + Cl2 + HF2 =>
2 NH3 + 4 ClF3 = N2 + 2 Cl2 + 6 HF2
CuSO4 + HgNO3 = Cu(NO3)2 + Hg2SO4 =>
CuSO4 + 2 HgNO3 = Cu(NO3)2 + Hg2SO4
Na3PO4(aq) + KOH(aq) = NaHO(aq) + K3PO4(aq) =>
Na3PO4(aq) + 3 KOH(aq) = 3 NaHO(aq) + K3PO4(aq)
Na + Au2(NO3)3 = Au + NaNO3 =>
3 Na + Au2(NO3)3 = 2 Au + 3 NaNO3
Sr(OH)2 + H = Sr + H2O =>
Sr(OH)2 + 2 H = Sr + 2 H2O
Cu + Al(NO3)3 + H2SO4 = CuSO4 + Al2(SO4)3 + NO + H2O =>
9 Cu + 2 Al(NO3)3 + 12 H2SO4 = 9 CuSO4 + Al2(SO4)3 + 6 NO + 12 H2O
H2O + KMnO4 + Fe = MnO2 + Fe(OH) + KOH =>
2 H2O + KMnO4 + 3 Fe = MnO2 + 3 Fe(OH) + KOH
Zn3(PO4)2 + H2SO4 = Zn(HSO4)2 + H3PO4 =>
Zn3(PO4)2 + 6 H2SO4 = 3 Zn(HSO4)2 + 2 H3PO4
Cr2O7{2-} + I{-} + H3O{+} = I2 + [Cr(H2O)6]{3+} + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H3O{+} = 3 I2 + 2[Cr(H2O)6]{3+} + 9 H2O
FeBr2 + HBr + KBrO3 = FeBr3 + KBr + H2O =>
6 FeBr2 + 6 HBr + KBrO3 = 6 FeBr3 + KBr + 3 H2O
C2H5OH + Cu = C2H3OHCu + H2 =>
C2H5OH + Cu = C2H3OHCu + H2
NH3 + NaOH = NaNO + H2 =>
NH3 + NaOH = NaNO + 2 H2
CH3COOH(l) + O2 = H2O + CO2 =>
CH3COOH(l) + 2 O2 = 2 H2O + 2 CO2
CoSO4 + (NH4)2S = Co2S + NH4SO4 =>
2 CoSO4 + (NH4)2S = Co2S + 2 NH4SO4
FeCl3 + KCNS = K3[Fe(CNS)6] + KCl =>
FeCl3 + 6 KCNS = K3[Fe(CNS)6] + 3 KCl
NH4VO3 + H2O = V2O5 + NH3*H2O =>
2 NH4VO3 + H2O = V2O5 + 2 NH3*H2O
ZnI2 + Be = BeI2 + Zn =>
ZnI2 + Be = BeI2 + Zn
BeO2 + H = Be(OH)2 =>
BeO2 + 2 H = Be(OH)2
CH3CH2CH2CH3(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3CH2CH2CH3(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
C57H104O6 + CH3OH = C57H108O6 + C3H8O3 =>
C57H104O6 + 3 CH3OH = C57H108O6 + C3H8O3
K2S2O3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 K2S2O3 + 4 K2Cr2O7 + 13 H2SO4 = 7 K2SO4 + 4 Cr2(SO4)3 + 13 H2O
CaSi2 + SbCl3 = CaCl2 + Si + Sb =>
3 CaSi2 + 2 SbCl3 = 3 CaCl2 + 6 Si + 2 Sb
C16H33OH(g) + O2(g) = CO2(g) + H2O(g) =>
C16H33OH(g) + 24 O2(g) = 16 CO2(g) + 17 H2O(g)
Fe + H{+} = Fe{+} + H2 =>
2 Fe + 2 H{+} = 2 Fe{+} + H2
PbS + HNO3 = S + Pb(NO3)2 + H2O + NO =>
3 PbS + 8 HNO3 = 3 S + 3 Pb(NO3)2 + 4 H2O + 2 NO
NaCHO3 = Na2CO3 + CO2 + H2O =>
2 NaCHO3 = Na2CO3 + CO2 + H2O
Pb + OH = PbOH =>
Pb + OH = PbOH
H3PO4 + Al = Al2(PO4)3 + H2 =>
6 H3PO4 + 4 Al = 2 Al2(PO4)3 + 9 H2
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
Ba(NO3)2 + Ag2SO4 = BaSO4 + AgNO3 =>
Ba(NO3)2 + Ag2SO4 = BaSO4 + 2 AgNO3
NaCrO2 + NaHSO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO2 + 8 NaHSO4 = Cr2(SO4)3 + 5 Na2SO4 + 4 H2O
CH3CH2CH2Cl + Na = CH3CH2CH2CH2CH2CH3 + NaCl =>
2 CH3CH2CH2Cl + 2 Na = CH3CH2CH2CH2CH2CH3 + 2 NaCl
CaCO3 + KHCO3 = Ca(HCO3)2 + K2CO3 =>
CaCO3 + 2 KHCO3 = Ca(HCO3)2 + K2CO3
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