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2 PbS + 3 O2 = 2 PbO + 2 SO2
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
HCl + H2O = H3ClO =>
HCl + H2O = H3ClO
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
Bi(OH)3 + K2SNO2 = Bi + K2SNO3 + H20 =>
20 Bi(OH)3 + 60 K2SNO2 = 20 Bi + 60 K2SNO3 + 3 H20
K2Cr2O7 + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
As2S5 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 H2SO4 + 40 NO2 + 12 H2O
FeSO4 + KMnO4 + KOH = Fe(OH)3 + K2SO4 + K2MnO4 =>
FeSO4 + KMnO4 + 3 KOH = Fe(OH)3 + K2SO4 + K2MnO4
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
KClO3 + MnO2 = KCl + Mn2O7 =>
KClO3 + 2 MnO2 = KCl + Mn2O7
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CH3COH + KMNO4 + H2O = CH3COOH + MNO2 + KOH =>
3 CH3COH + 2 KMNO4 + H2O = 3 CH3COOH + 2 MNO2 + 2 KOH
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
HCl(aq) + Na2C2O4(aq) = H2C2O4 + NaCl =>
2 HCl(aq) + Na2C2O4(aq) = H2C2O4 + 2 NaCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HCl(aq) + Na2C2O4(aq) = H2C2O4(aq) + NaCl(s) =>
2 HCl(aq) + Na2C2O4(aq) = H2C2O4(aq) + 2 NaCl(s)
Cu3FeS3(s) + O2(g) = Cu(s) + FeO(s) + SO2(g) =>
2 Cu3FeS3(s) + 7 O2(g) = 6 Cu(s) + 2 FeO(s) + 6 SO2(g)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Na2SO4 + AgNO3 = Na2NO3 + AgSO4 =>
Na2SO4 + AgNO3 = Na2NO3 + AgSO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
KNO3 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + NO2 + H2O =>
2 KNO3 + 2 FeSO4 + 2 H2SO4 = K2SO4 + Fe2(SO4)3 + 2 NO2 + 2 H2O
CH3SiH3(g) + O2(g) = SiO2(s) + H2O(g) + CO2(g) =>
2 CH3SiH3(g) + 7 O2(g) = 2 SiO2(s) + 6 H2O(g) + 2 CO2(g)
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
AgNO3 + NaCl = NaNO3 + AgCl =>
AgNO3 + NaCl = NaNO3 + AgCl
Al + Cl = AlCl =>
Al + Cl = AlCl
NaHCO3 + Pu(NO3)4 = Pu(HCO3)4 + NaNO3 =>
4 NaHCO3 + Pu(NO3)4 = Pu(HCO3)4 + 4 NaNO3
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NACL + AGNO3 = AGCL + NANO3 =>
NACL + AGNO3 = AGCL + NANO3
CH2Cl2 + NaOH = NaCl + H2O + CO + H2 =>
CH2Cl2 + 2 NaOH = 2 NaCl + H2O + CO + H2
Na2C2O4(aq) + H2SO4(aq) = H2C2O4 + Na2SO4 =>
Na2C2O4(aq) + H2SO4(aq) = H2C2O4 + Na2SO4
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aq) =>
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aq)
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
Na2C2O4(aq) + H2SO4(aq) = H2C2O4(aq) + Na2SO4(aq) =>
Na2C2O4(aq) + H2SO4(aq) = H2C2O4(aq) + Na2SO4(aq)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaHCO3 + Pu(NO3)4 = Pu(HCO3)4 + NaNO3 =>
4 NaHCO3 + Pu(NO3)4 = Pu(HCO3)4 + 4 NaNO3
CH2Cl2 + NaOH = NaCl + H2O + CO + H2 =>
CH2Cl2 + 2 NaOH = 2 NaCl + H2O + CO + H2
Cu3FeS3(s) + O2(g) = Cu(s) + FeO(s) + SO2(g) =>
2 Cu3FeS3(s) + 7 O2(g) = 6 Cu(s) + 2 FeO(s) + 6 SO2(g)
Na2C2O4(aq) + H2SO4(aq) = H2C2O4(s) + Na2SO4(aq) =>
Na2C2O4(aq) + H2SO4(aq) = H2C2O4(s) + Na2SO4(aq)
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CH3COOH + C2H5OH = CH3COOC2H5 + H4O =>
2 CH3COOH + 4 C2H5OH = 3 CH3COOC2H5 + 2 H4O
Al + CuS = Al2S3 + Cu =>
2 Al + 3 CuS = Al2S3 + 3 Cu
Fe(NO3)3 + NH4OH = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3 + 3 NH4NO3
Co(OH)2 + ZnSO4 = CoSO4 + Zn(OH)2 =>
Co(OH)2 + ZnSO4 = CoSO4 + Zn(OH)2
CH3COOH + C2H5OH = CH3COOC2H5 + H3O =>
4 CH3COOH + 6 C2H5OH = 5 CH3COOC2H5 + 4 H3O
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