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3 Sn + 4 H2SO4 = 3 SnSO4 + S + 4 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
S + NaOH = H2O + Na2S + Na2SO3 =>
3 S + 6 NaOH = 3 H2O + 2 Na2S + Na2SO3
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH3OOH + CaCO3 = CH3COOCa + H2O + CO2 =>
9 CH3OOH + 4 CaCO3 = 4 CH3COOCa + 12 H2O + 5 CO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Br + CaCl2 = Cl2 + CaBr =>
Br + CaCl2 = Cl2 + CaBr
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
Ca + HCLO3 = Ca(CLO3)2 + H2 =>
Ca + 2 HCLO3 = Ca(CLO3)2 + H2
As2S3 + NaNO3 + Na2CO3 = Na3AsO4 + NaNa2SO4 + CO2 + NaNO2 =>
2 As2S3 + 25 NaNO3 + 15 Na2CO3 = 4 Na3AsO4 + 6 NaNa2SO4 + 15 CO2 + 25 NaNO2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
FE(OH)3 + NAOH = NAFEO2 + H2O =>
FE(OH)3 + NAOH = NAFEO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H12O6 + O2 = CO2 + H20 =>
5 C6H12O6 + 15 O2 = 30 CO2 + 3 H20
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HCOOH + Ch3OH = HCOOCh3 + H2O =>
HCOOH + Ch3OH = HCOOCh3 + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HC9H7O4 + NaOH = NaC9H7O4 + H2O =>
HC9H7O4 + NaOH = NaC9H7O4 + H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
FeSO4 = Fe2O3 + S02 + SO3 =>
12 FeSO4 = 6 Fe2O3 + S02 + 10 SO3
K2S + H2O = KOH + H2S =>
K2S + 2 H2O = 2 KOH + H2S
C4H9OH + O2 = CO2 + H20 =>
2 C4H9OH + 7 O2 = 8 CO2 + H20
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
C9H20 + O2 = CO2 + H20 =>
C9H20 + 9 O2 = 9 CO2 + H20
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
CS2 + O2 = SO2 + CO2 =>
CS2 + 3 O2 = 2 SO2 + CO2
NaCO3(s) + HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l) =>
NaCO3(s) + 2 HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l)
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
NaCO3(s) + HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l) =>
NaCO3(s) + 2 HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l)
H2S + H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + Na2SO4 + H2O =>
3 H2S + 13 H2SO4 + 4 Na2Cr2O7 = 4 Cr2(SO4)3 + 4 Na2SO4 + 16 H2O
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
S + O = SO =>
S + O = SO
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
S + O = SO =>
S + O = SO
C + O2 = CO2 =>
C + O2 = CO2
Au{3+} + Cu = Au + Cu{2+} =>
2 Au{3+} + 3 Cu = 2 Au + 3 Cu{2+}
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
CO + H2SO4 = COSO4 + S + H2O =>
3 CO + 4 H2SO4 = 3 COSO4 + S + 4 H2O
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