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2 Fe2O3 + 4 SO2 + O2 = 4 FeSO4
CH3COOH + C3H5(OH)3 = (CH3COO)3C3H5 + H2O =>
3 CH3COOH + C3H5(OH)3 = (CH3COO)3C3H5 + 3 H2O
Ba(No3)2 + Na2Co3 = BaCo3 + NaNo3 =>
Ba(No3)2 + Na2Co3 = BaCo3 + 2 NaNo3
FE + HCl2 = FECl2 + H2 =>
2 FE + 2 HCl2 = 2 FECl2 + H2
CH3OH + O2 = HCHO + H2O =>
2 CH3OH + O2 = 2 HCHO + 2 H2O
HNO3 + Ca[OH]2 = Ca[NO3]2 + H2O =>
2 HNO3 + Ca[OH]2 = Ca[NO3]2 + 2 H2O
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
ZnCl2 + NH4CO3 = ZnCO3 + NH4Cl2 =>
ZnCl2 + NH4CO3 = ZnCO3 + NH4Cl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2So4 + Al(OH)3 = Al2(So4)3 + H2O =>
3 H2So4 + 2 Al(OH)3 = Al2(So4)3 + 6 H2O
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
FeCl3 + KI = I2 + FeCl2 + KCl =>
2 FeCl3 + 2 KI = I2 + 2 FeCl2 + 2 KCl
KCLO3 = KCLO4 + KCL =>
4 KCLO3 = 3 KCLO4 + KCL
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
IO3{-} + I{-} + H{+} = H2O + I2 =>
IO3{-} + 5 I{-} + 6 H{+} = 3 H2O + 3 I2
PBO + C = PB + CO2 =>
2 PBO + C = 2 PB + CO2
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
HCHO + Na(OH) = HCOONa + CH3OH =>
2 HCHO + Na(OH) = HCOONa + CH3OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C6H7N + Br2 = C6H4NBr3 + HBr =>
C6H7N + 3 Br2 = C6H4NBr3 + 3 HBr
C7H6O3 + C2H6O4 = C9H8O4 + C2H3O2 =>
8 C7H6O3 + C2H6O4 = 6 C9H8O4 + 2 C2H3O2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C3H8NH2 + O2 = CO2 + H2O + N2 =>
2 C3H8NH2 + 11 O2 = 6 CO2 + 10 H2O + N2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
PBO + C = PB + CO2 =>
2 PBO + C = 2 PB + CO2
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
PBO + C = PB + CO2 =>
2 PBO + C = 2 PB + CO2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Zn + H2SO4 = ZnSO4 + SO2 + H2O =>
Zn + 2 H2SO4 = ZnSO4 + SO2 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HCl + NaSO4 = HSO4 + NaCl =>
HCl + NaSO4 = HSO4 + NaCl
HCl + CuO = CuCl2 + H2O =>
2 HCl + CuO = CuCl2 + H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
C2H4 = C6H6 + H2 =>
3 C2H4 = C6H6 + 3 H2
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
KMnO4 + H2SO4 + C2H5OH = CH3COOH + MnSO4 + K2SO4 + H2O =>
4 KMnO4 + 6 H2SO4 + 5 C2H5OH = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
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