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3 Fe + 4 H2O = Fe3O4 + 4 H2
FeTiO3 + KOH + O2 = K2TiO3 + Fe2O3 + H2O =>
4 FeTiO3 + 8 KOH + O2 = 4 K2TiO3 + 2 Fe2O3 + 4 H2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
BaF2 + Na2S = BaS + NaF =>
BaF2 + Na2S = BaS + 2 NaF
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C6H12O6 + O2 = H2OO + CO2 =>
C6H12O6 + 9 O2 = 6 H2OO + 6 CO2
CO2 + H2O = CH4 + O2 =>
CO2 + 2 H2O = CH4 + 2 O2
BaCO3 + Co3O4 + Nb2O5 = Ba3CoNb2O9 + CO2 + O =>
9 BaCO3 + Co3O4 + 3 Nb2O5 = 3 Ba3CoNb2O9 + 9 CO2 + O
P2 + H2 = PH3 =>
P2 + 3 H2 = 2 PH3
Pb + (NO3)2 = Pb(NO3)2 =>
Pb + (NO3)2 = Pb(NO3)2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
BrO3{-} + SO2 + H2O = Br2 + SO4{-2} + H{+} =>
2 BrO3{-} + 5 SO2 + 4 H2O = Br2 + 5 SO4{-2} + 8 H{+}
Pb(SO4)2 + BBr3 = PbBr4 + B2(SO4)3 =>
3 Pb(SO4)2 + 4 BBr3 = 3 PbBr4 + 2 B2(SO4)3
K2SO4 + Pb = K + PbSO4 =>
K2SO4 + Pb = 2 K + PbSO4
H + FeCl = HCl + Fe =>
H + FeCl = HCl + Fe
H2O2 + KMnO4 = O2 + H2KMnO4 =>
H2O2 + KMnO4 = O2 + H2KMnO4
Pb + HNO2 = Pb(NO2)4 + H2 =>
Pb + 4 HNO2 = Pb(NO2)4 + 2 H2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
HI + CH3COOH = HICH3COOH =>
HI + CH3COOH = HICH3COOH
C6H5COCl + H2O = C6H5COOH + HCl =>
C6H5COCl + H2O = C6H5COOH + HCl
NH4HCO3 + Cl2 = NH4Cl + CO2 + H2 + O2 =>
2 NH4HCO3 + Cl2 = 2 NH4Cl + 2 CO2 + H2 + O2
CH3CH(OH)CH3 + CuO = CH3COCH3 + Cu + H2O =>
CH3CH(OH)CH3 + CuO = CH3COCH3 + Cu + H2O
NH3 + Ca(NO3)2 = Ca(NH3)4 + NO3 =>
4 NH3 + Ca(NO3)2 = Ca(NH3)4 + 2 NO3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
LiBr + HNO3 = HBr + LiNO3 =>
LiBr + HNO3 = HBr + LiNO3
C2H5COONa + C4H9COOH = C2H5COOH + C4H9COONa =>
C2H5COONa + C4H9COOH = C2H5COOH + C4H9COONa
CrO + CoO3 = CrCoO4 =>
CrO + CoO3 = CrCoO4
NaI + Cl2 = I2 + NaCl =>
2 NaI + Cl2 = I2 + 2 NaCl
NSO3 + H2O = H2SO4 + N2 =>
2 NSO3 + 2 H2O = 2 H2SO4 + N2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
NaSO3 + HCl = NaCl + SO2 + H2O2 =>
2 NaSO3 + 2 HCl = 2 NaCl + 2 SO2 + H2O2
Si + Br2 = Si8Br4 =>
8 Si + 2 Br2 = Si8Br4
HCN + NH4OH = NH4CN + H2O =>
HCN + NH4OH = NH4CN + H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Th + F = ThF4 =>
Th + 4 F = ThF4
LiBr + HNO3 = HBr + LiNO3 =>
LiBr + HNO3 = HBr + LiNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C5H4O2 + H2 = C5H6O + H2O =>
C5H4O2 + 2 H2 = C5H6O + H2O
AlCl + KPO4 = KCl + AlPO4 =>
AlCl + KPO4 = KCl + AlPO4
NH3 + Mg(HCO3)2 = MgCO3 + NH4HCO3 =>
NH3 + Mg(HCO3)2 = MgCO3 + NH4HCO3
Li + SO2 = LiSO2 =>
Li + SO2 = LiSO2
Zn(OH)2 + Al2(SO4)3 = Zn(SO4) + Al(OH)3 =>
3 Zn(OH)2 + Al2(SO4)3 = 3 Zn(SO4) + 2 Al(OH)3
K2O + KO2 + Co3O4 = KCoO2 =>
4 K2O + KO2 + 3 Co3O4 = 9 KCoO2
CCl4(aq) + HF(aq) = CF4 + HCl =>
CCl4(aq) + 4 HF(aq) = CF4 + 4 HCl
C2H6 + KMnO4 + H2O = C2H6O2 + MnO2 + KOH =>
3 C2H6 + 4 KMnO4 + 2 H2O = 3 C2H6O2 + 4 MnO2 + 4 KOH
AgCl + NH3 + H2O = (Ag(NH3)2)OH + HCl =>
AgCl + 2 NH3 + H2O = (Ag(NH3)2)OH + HCl
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