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2 Zn + O2 = 2 ZnO
HNO3 + H2S = NO2 + H2O + S =>
2 HNO3 + H2S = 2 NO2 + 2 H2O + S
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
ZNS + O2 = ZNO + SO2 =>
2 ZNS + 3 O2 = 2 ZNO + 2 SO2
Mg + HC1 = MgC12 + H2 =>
Mg + 12 HC1 = MgC12 + 6 H2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Si3H8 + O2 = SiO2 + H2O =>
Si3H8 + 5 O2 = 3 SiO2 + 4 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CuS + HNO3 = Cu(NO3)2 + S + H2O + NO =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 4 H2O + 2 NO
H2S + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O
HCOH + KMnO4 + H2SO4 = CO2 + K2SO4 + H2O + MnSO4 =>
5 HCOH + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 2 K2SO4 + 11 H2O + 4 MnSO4
KNO3 = KNO2 + O =>
KNO3 = KNO2 + O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
K2Cr2O7 + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
FE(NO3)3 = FEO + NO2 + O2 =>
FE(NO3)3 = FEO + 3 NO2 + O2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Na2Cr2O7 + HCl = Cl + CrCl3 + NaCl + H2O =>
Na2Cr2O7 + 14 HCl = 6 Cl + 2 CrCl3 + 2 NaCl + 7 H2O
NH4NO3 + KOH = KNO3 + NH3 + H2O =>
NH4NO3 + KOH = KNO3 + NH3 + H2O
Fe(NO3)3 = FeO + NO2 + O2 =>
Fe(NO3)3 = FeO + 3 NO2 + O2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaOH + CH3CO2H = NaCH3CO2 + H2O =>
NaOH + CH3CO2H = NaCH3CO2 + H2O
FeSO4 + KClO3 + H2SO4 = Fe2(SO4)3 + KCl + H2O =>
6 FeSO4 + KClO3 + 3 H2SO4 = 3 Fe2(SO4)3 + KCl + 3 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Na2Cr2O7 + HCl = Cl + CrCl3 + NaCl + H2O =>
Na2Cr2O7 + 14 HCl = 6 Cl + 2 CrCl3 + 2 NaCl + 7 H2O
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe(NO3)39H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)39H2O = FeO + 39 NO2 + 19 O2 + H2O
K2Cr2O7 + SO2 + H2So4 = Cr2(SO4)3 + K2So4 + H2O =>
K2Cr2O7 + 3 SO2 + H2So4 = Cr2(SO4)3 + K2So4 + H2O
C5H12 + O = CO2 + H2O =>
C5H12 + 16 O = 5 CO2 + 6 H2O
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl3 + 7 H2O + 3 Cl2
C6H6 + O = CO2 + H2O =>
C6H6 + 15 O = 6 CO2 + 3 H2O
C2H5OH + O = CO2 + H2O =>
C2H5OH + 6 O = 2 CO2 + 3 H2O
Fe(NO3)39H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)39H2O = FeO + 39 NO2 + 19 O2 + H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Fe(NO3)3H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)3H2O = FeO + 3 NO2 + O2 + H2O
AgNO3(aq) + CaBr2(aq) = AgBr(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaBr2(aq) = 2 AgBr(s) + Ca(NO3)2(aq)
Cu(OH)2 + C6H12O6 = Cu2O + C6H12O7 + H2O =>
2 Cu(OH)2 + C6H12O6 = Cu2O + C6H12O7 + 2 H2O
CdS + HNO3 = Cd(NO3) + S + NO + H2O =>
3 CdS + 4 HNO3 = 3 Cd(NO3) + 3 S + NO + 2 H2O
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
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