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80 C6H5CH3 + 58 KMnO4 + 87 H2SO4 = 70 C6H5CH3COOH + 29 K2SO4 + 58 MnSO4 + 92 H2O
Fe + K{+} = Fe{3+} + K =>
Fe + 3 K{+} = Fe{3+} + 3 K
CH2O + KMnO4 + H2SO4 = CH2O2 + K2SO4 + MnSO4 + H2O =>
5 CH2O + 2 KMnO4 + 3 H2SO4 = 5 CH2O2 + K2SO4 + 2 MnSO4 + 3 H2O
Pb(CH3COO)2 + (NH4)2S = PbS + CH3COONH4 =>
Pb(CH3COO)2 + (NH4)2S = PbS + 2 CH3COONH4
(NH4)2MoO4 + SO2 + H2SO4 = Mo5O14 + (NH4)2SO4 + H2O =>
5(NH4)2MoO4 + SO2 + 4 H2SO4 = Mo5O14 + 5(NH4)2SO4 + 4 H2O
CuSO4*5H2O + NaCl + NaHSO3 + NaOH = CuCl + Na2SO4 + H2O =>
2 CuSO4*5H2O + 2 NaCl + NaHSO3 + 3 NaOH = 2 CuCl + 3 Na2SO4 + 12 H2O
PbCl2 + K2S = PbS + KCl =>
PbCl2 + K2S = PbS + 2 KCl
Na3PO4(aq) + CrCl3(aq) = CrPO4 + NaCl =>
Na3PO4(aq) + CrCl3(aq) = CrPO4 + 3 NaCl
Au + Hg = AuHg2 =>
Au + 2 Hg = AuHg2
C7H7O3N + O2 = CO2 + H2O + NO2 =>
4 C7H7O3N + 33 O2 = 28 CO2 + 14 H2O + 4 NO2
C2H6O + KOH = C2H5OK + H2O =>
C2H6O + KOH = C2H5OK + H2O
CuSO4 + H2O = Cu + O2 + H2SO4 =>
2 CuSO4 + 2 H2O = 2 Cu + O2 + 2 H2SO4
Al(l) + BaO(s) = Al2O3 + Ba(l) =>
2 Al(l) + 3 BaO(s) = Al2O3 + 3 Ba(l)
Fe(NO3)3 + NH4NCS = FeNCS + NH4(NO3)3 =>
Fe(NO3)3 + NH4NCS = FeNCS + NH4(NO3)3
Na2TeO3 + H2SO4 = TeO2 + Na2SO4 + H2O =>
Na2TeO3 + H2SO4 = TeO2 + Na2SO4 + H2O
Mg + Cr(NO3)3 = Mg(NO3)2 + Cr =>
3 Mg + 2 Cr(NO3)3 = 3 Mg(NO3)2 + 2 Cr
Zn(oh)2 + RbOH = Zn(OH)2 + Rb =>
Zn(oh)2 + 4 RbOH = 2 Zn(OH)2 + 4 Rb
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
Fe + K3Fe(CN)6 = Fe3[Fe(CN)6]2 + K =>
3 Fe + 2 K3Fe(CN)6 = Fe3[Fe(CN)6]2 + 6 K
Cu2S + NH3 = Cu + H2S + N2 =>
3 Cu2S + 2 NH3 = 6 Cu + 3 H2S + N2
Co(HCrO4)2 + Co(OH)2 = CoCrO4 + H2O =>
Co(HCrO4)2 + Co(OH)2 = 2 CoCrO4 + 2 H2O
HgO = Hg + O =>
HgO = Hg + O
C12H22O11 + NO3{-} = HCO3{-} + CO2 + N2 + H2O =>
5 C12H22O11 + 48 NO3{-} = 48 HCO3{-} + 12 CO2 + 24 N2 + 31 H2O
Na(C2H3O2) + HCl = NaCl + H(C2H3O2) =>
Na(C2H3O2) + HCl = NaCl + H(C2H3O2)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Br + MgI2 = Br2Mg + I2 =>
2 Br + MgI2 = Br2Mg + I2
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
C10H24O + O2 = H2O + CO2 =>
2 C10H24O + 31 O2 = 24 H2O + 20 CO2
(NH2)2CO + O2 = CO2N2 + H2O =>
2(NH2)2CO + 3 O2 = 2 CO2N2 + 4 H2O
NaC2H3O2(aq) + H2SO4(aq) = Na2SO4(aq) + HC2H3O2(aq) =>
2 NaC2H3O2(aq) + H2SO4(aq) = Na2SO4(aq) + 2 HC2H3O2(aq)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CH3CH2NH2 + HNO2 = CH3CH2CH2OH + N2 + H2O =>
3 CH3CH2NH2 + 3 HNO2 = 2 CH3CH2CH2OH + 3 N2 + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg(s) + Al2(SO4)3(aq) = MgSO4(aq) + Al(s) =>
3 Mg(s) + Al2(SO4)3(aq) = 3 MgSO4(aq) + 2 Al(s)
Fe + Na2S = FeS + Na =>
Fe + Na2S = FeS + 2 Na
Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + K =>
2 Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 4 K
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SnCl4 + Ti(NO3)3 = Sn(NO3)3 + TiCl4 =>
SnCl4 + Ti(NO3)3 = Sn(NO3)3 + TiCl4
C4H8(OH)2 + KMnO4 + H2SO4 = C2H4(COOH)2 + MnSO4 + K2SO4 + H2O =>
5 C4H8(OH)2 + 8 KMnO4 + 12 H2SO4 = 5 C2H4(COOH)2 + 8 MnSO4 + 4 K2SO4 + 22 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C3H8O7 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
3 C3H8O7 + 3 NaHCO3 = Na3C6H5O7 + 11 H2O + 6 CO2
FeCl3 + H2O2 = FeCl2 + HCl + O2 =>
2 FeCl3 + H2O2 = 2 FeCl2 + 2 HCl + O2
KMnO4 + K2S + HCl = K2SO4 + KCl + MnCl2 + H2O =>
8 KMnO4 + 5 K2S + 24 HCl = 5 K2SO4 + 8 KCl + 8 MnCl2 + 12 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
SrS(aq) + K2SO4(aq) = SrSO4(s) + K2S(aq) =>
SrS(aq) + K2SO4(aq) = SrSO4(s) + K2S(aq)
H2S = S + H2 =>
H2S = S + H2
Fe2O3 + NO2 + O2 = Fe(NO3)3 =>
2 Fe2O3 + 12 NO2 + 3 O2 = 4 Fe(NO3)3
C8H7NO3 + Sn + HCl = C8H7ONH2 + SnO + Cl =>
C8H7NO3 + 2 Sn + 2 HCl = C8H7ONH2 + 2 SnO + 2 Cl
(CO2H)2 + KOH = K2C2O4 + H2O =>
(CO2H)2 + 2 KOH = K2C2O4 + 2 H2O
Ba + C + O2 = BaCO3 =>
2 Ba + 2 C + 3 O2 = 2 BaCO3
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