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2 Fe + O2 = 2 FeO
N2O3 + Al(OH)3 = Al(NO2)3 + H2O =>
3 N2O3 + 2 Al(OH)3 = 2 Al(NO2)3 + 3 H2O
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
IO3{-} + I{-} + H{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 3 I2 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn(OH)2 + NaOH = Na2[Zn(OH)4] =>
Zn(OH)2 + 2 NaOH = Na2[Zn(OH)4]
H2S + CA(OH)2 = CAS + H2O =>
H2S + CA(OH)2 = CAS + 2 H2O
BaBr2 + Na2SO4 = Na2Br2 + BaSO4 =>
BaBr2 + Na2SO4 = Na2Br2 + BaSO4
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Fe(NO3)3 + CaSO3 + H2SO3 = Fe(OH)3 + Ca(NO3)2 + SO2 =>
2 Fe(NO3)3 + 3 CaSO3 + 3 H2SO3 = 2 Fe(OH)3 + 3 Ca(NO3)2 + 6 SO2
Zn + H2SO4 = Zn(SO4)2 + H2 =>
Zn + 2 H2SO4 = Zn(SO4)2 + 2 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
P2O5 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
P2O5 + 3 Ca(OH)2 = Ca3(PO4)2 + 3 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
CH3CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
CH3CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl
CO + Fe3O4 = CO2 + Fe =>
4 CO + Fe3O4 = 4 CO2 + 3 Fe
MnSO4 + Na2CO3 + KNO3 = NaMnO4 + KNO2 + Na2SO4 + CO2 =>
2 MnSO4 + 3 Na2CO3 + 5 KNO3 = 2 NaMnO4 + 5 KNO2 + 2 Na2SO4 + 3 CO2
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H20 =>
5 Cr2O3 + 5 KNO3 + 20 KOH = 10 K2CrO4 + 5 KNO2 + H20
Zn3Sb2 + H2O = Zn(OH)2 + SbH3 =>
Zn3Sb2 + 6 H2O = 3 Zn(OH)2 + 2 SbH3
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Sn{2+} + Fe{3+} = Sn{4+} + Fe{2+} =>
Sn{2+} + 2 Fe{3+} = Sn{4+} + 2 Fe{2+}
AL(OH)3 + HCl = ALCl3 + H2O =>
AL(OH)3 + 3 HCl = ALCl3 + 3 H2O
NH3 + Cr(OH)3 + H2O2 = (NH4)2CrO4 + H2O =>
4 NH3 + 2 Cr(OH)3 + 3 H2O2 = 2(NH4)2CrO4 + 4 H2O
BaCl2 + ZnSO4 = ZnCl2 + BaSO4 =>
BaCl2 + ZnSO4 = ZnCl2 + BaSO4
HNO2 = H2O + HNO3 + NO =>
3 HNO2 = H2O + HNO3 + 2 NO
FeCl3 + Cu(OH)2 = Fe(OH)3 + CuCl2 =>
2 FeCl3 + 3 Cu(OH)2 = 2 Fe(OH)3 + 3 CuCl2
HNO3 + Ni = N2O + Ni(NO3)2 + H2O =>
10 HNO3 + 4 Ni = N2O + 4 Ni(NO3)2 + 5 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
(NH4)2SO4 + AlCl3 = Al2(SO4)3 + NH4Cl =>
3(NH4)2SO4 + 2 AlCl3 = Al2(SO4)3 + 6 NH4Cl
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
NH3 + Cr(OH)3 + H2O2 = (NH4)2CrO4 + H2O =>
4 NH3 + 2 Cr(OH)3 + 3 H2O2 = 2(NH4)2CrO4 + 4 H2O
Ca + BrFe = Fe + BrCa =>
Ca + BrFe = Fe + BrCa
C3H7OH + HCl = C3H7Cl + H2O =>
C3H7OH + HCl = C3H7Cl + H2O
LEAD + COPPERCHLORIDE = LEADCHLORIDE + COPPER =>
LEAD + COPPERCHLORIDE = LEADCHLORIDE + COPPER
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb + CuCl2 = PbCl2 + Cu =>
Pb + CuCl2 = PbCl2 + Cu
NH3 + Cr(OH)3 + H2O2 = (NH4)2CrO4 + H2O =>
4 NH3 + 2 Cr(OH)3 + 3 H2O2 = 2(NH4)2CrO4 + 4 H2O
C3H7Cl + NaNO2 = C3H7NO2 + NaCl =>
C3H7Cl + NaNO2 = C3H7NO2 + NaCl
Pb + CuCl2 = PbCl + Cu =>
2 Pb + CuCl2 = 2 PbCl + Cu
H2SO4 + NaHCO3 = CO2 + Na2SO4 + H2O =>
H2SO4 + 2 NaHCO3 = 2 CO2 + Na2SO4 + 2 H2O
Ca + BrFe = Fe + BrCa =>
Ca + BrFe = Fe + BrCa
PH3 + O2 = H2O + P4O10 =>
4 PH3 + 8 O2 = 6 H2O + P4O10
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