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2 K(NO3) = 2 K(NO2) + O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
MnO + H = Mn + H2O =>
MnO + 2 H = Mn + H2O
CoSO4 + KIO3 = Co(IO3)2 + K2SO4 =>
CoSO4 + 2 KIO3 = Co(IO3)2 + K2SO4
NH4SCN + (NH4)2Cr2O7 = (NH4)[Cr(SCN)4(NH3)2]*H2O + NH3 + H2O + O2 =>
16 NH4SCN + 2(NH4)2Cr2O7 = 4(NH4)[Cr(SCN)4(NH3)2]*H2O + 8 NH3 + 4 H2O + 3 O2
C2H4O2 + H2 = C2H6O + H2O =>
C2H4O2 + 2 H2 = C2H6O + H2O
NH3OHCl + KMnO4 + H2SO4 = N2 + H2O + MnSO4 + KCl + HCl =>
10 NH3OHCl + 2 KMnO4 + 2 H2SO4 = 5 N2 + 18 H2O + 2 MnSO4 + 2 KCl + 8 HCl
Pb(NO3)2(aq) + CaS(aq) = PbS(s) + Ca(NO3)2(aq) =>
Pb(NO3)2(aq) + CaS(aq) = PbS(s) + Ca(NO3)2(aq)
C2H5OH + I2O5 = I + CH3COOH + H2O =>
5 C2H5OH + 2 I2O5 = 4 I + 5 CH3COOH + 5 H2O
Mg = Mg{2+} + {-} =>
Mg = Mg{2+} + 2e
As + O = As4O6 =>
4 As + 6 O = As4O6
S2 = S3 =>
3 S2 = 2 S3
Au + HF = AuF3 + H2 =>
2 Au + 6 HF = 2 AuF3 + 3 H2
CuNO32 = CuO + NO2 + O2 =>
2 CuNO32 = 2 CuO + 2 NO2 + 29 O2
SnCl4 = Sn + Cl2 =>
SnCl4 = Sn + 2 Cl2
Al(OH)3 + NH3 = [Al(NH3)6](OH)3 =>
Al(OH)3 + 6 NH3 = [Al(NH3)6](OH)3
Cu2Zn + HCl = CuCl + Zn + H =>
Cu2Zn + 2 HCl = 2 CuCl + Zn + 2 H
C4H6 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C4H6 + 22 KMnO4 + 33 H2SO4 = 20 CO2 + 22 MnSO4 + 11 K2SO4 + 48 H2O
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 = CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = 3 CH3COCH3 + Cr2(SO4)3 + K2SO4 + 7 H2O
B6H10 + O2 = B2O3 + H2O =>
B6H10 + 7 O2 = 3 B2O3 + 5 H2O
SnCl2 + K2CrO4 + KOH + H2O = K2[Sn(OH)6] + CrCl3 =>
3 SnCl2 + 2 K2CrO4 + 2 KOH + 8 H2O = 3 K2[Sn(OH)6] + 2 CrCl3
Cu + KI = CuI2 + K =>
Cu + 2 KI = CuI2 + 2 K
CoS + O2 = Co2O3 + SO2 =>
4 CoS + 7 O2 = 2 Co2O3 + 4 SO2
TiCl4 + Mg + NH3 = TiN2 + MgCl2 + H2 =>
TiCl4 + 2 Mg + 2 NH3 = TiN2 + 2 MgCl2 + 3 H2
NaHCO3 + Co(NO3)2 = Na(NO3) + Co(HCO3)2 =>
2 NaHCO3 + Co(NO3)2 = 2 Na(NO3) + Co(HCO3)2
HCl + Zn(C2H3O2)2 = HC2H3O2 + ZnCl2 =>
2 HCl + Zn(C2H3O2)2 = 2 HC2H3O2 + ZnCl2
C21H44 + O2 = CO2 + H2O =>
C21H44 + 32 O2 = 21 CO2 + 22 H2O
Al(s) + N2(g) = AlN(s) =>
2 Al(s) + N2(g) = 2 AlN(s)
Ca(OH)2 + (NH4)2CO3 = NH3 + CaCO3 + H2O =>
Ca(OH)2 + (NH4)2CO3 = 2 NH3 + CaCO3 + 2 H2O
Na + HF = NaF + H2 =>
2 Na + 2 HF = 2 NaF + H2
Cu5FeS4 + O2 = Cu2S + FeO + SO2 =>
2 Cu5FeS4 + 4 O2 = 5 Cu2S + 2 FeO + 3 SO2
BaCl2 + Hg(NO3)2 = HgCl2 + Ba(NO3)2 =>
BaCl2 + Hg(NO3)2 = HgCl2 + Ba(NO3)2
Br2 + Na2SO3 + H2O = NaBr + H2SO4 =>
Br2 + Na2SO3 + H2O = 2 NaBr + H2SO4
C4H6O2 + NaOH = C4H8O3 + Na2O =>
C4H6O2 + 2 NaOH = C4H8O3 + Na2O
Fe3(PO4)2 + NaCl = Na3PO4 + FeCl2 =>
Fe3(PO4)2 + 6 NaCl = 2 Na3PO4 + 3 FeCl2
SnCl4 + (NH4)2S = NH4Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4 NH4Cl + SnS2
CH4 + CO = C3H8 + H2O =>
7 CH4 + 2 CO = 3 C3H8 + 2 H2O
C6H14 + Cl2 = CHCl + HCl =>
C6H14 + 7 Cl2 = 6 CHCl + 8 HCl
PCl3 + KMnO4 + H2SO4 = Cl2 + H3PO4 + MnSO4 + K2SO4 =>
2 PCl3 + 2 KMnO4 + 3 H2SO4 = 3 Cl2 + 2 H3PO4 + 2 MnSO4 + K2SO4
NH3 + NH4Cl = N2H7Cl =>
NH3 + NH4Cl = N2H7Cl
MgCO3 + Ca(OH)2 = CaCO3 + Mg(OH)2 =>
MgCO3 + Ca(OH)2 = CaCO3 + Mg(OH)2
(NH4)2HPO4 + NaOH = NH4OH + Na2HPO4 =>
(NH4)2HPO4 + 2 NaOH = 2 NH4OH + Na2HPO4
AgCl(s) + NH3(aq) = Ag(NH3) + Cl =>
AgCl(s) + NH3(aq) = Ag(NH3) + Cl
HCl + HClO4 = Cl2O3 + H2O =>
HCl + HClO4 = Cl2O3 + H2O
MnO4 = Mn + O =>
MnO4 = Mn + 4 O
CH5N + HCl = CH3NH3Cl =>
CH5N + HCl = CH3NH3Cl
C6H6 + CI2 = C6H5CI + HCI =>
4 C6H6 + 6 CI2 = 3 C6H5CI + 9 HCI
KBr + HNO3 = KNO3 + NO + Br + H2O =>
3 KBr + 4 HNO3 = 3 KNO3 + NO + 3 Br + 2 H2O
Mn + Al = MnAl =>
Mn + Al = MnAl
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