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Fe3O4 + 4 H2 = 3 Fe + 4 H2O
CuCl + NaCl = NaCu + Cl2 =>
CuCl + NaCl = NaCu + Cl2
C5H8 + H2 = C5H10 = C5H12 =>
C5H8 + H2 = C5H10
N2O3 = N2 + O2 =>
2 N2O3 = 2 N2 + 3 O2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
NaHXeO4 + NaOH = Na4XeO6 + Xe + H2O =>
4 NaHXeO4 + 8 NaOH = 3 Na4XeO6 + Xe + 6 H2O
HCOOH + Mg = MgCOOH + H =>
HCOOH + Mg = MgCOOH + H
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
HgO + HCl = HgCl2 + H2O =>
HgO + 2 HCl = HgCl2 + H2O
K2[Zn(OH)4] + H2S = ZnS + H2O + KHS =>
K2[Zn(OH)4] + 3 H2S = ZnS + 4 H2O + 2 KHS
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
P4S2 + O2 = P4O10 + SO2 =>
P4S2 + 7 O2 = P4O10 + 2 SO2
HNO3 + NaHCO3 = NaNO3 + H2CO3 =>
HNO3 + NaHCO3 = NaNO3 + H2CO3
K2SO3 + Pb(NO3)2 = KNO3 + PbSO3 =>
K2SO3 + Pb(NO3)2 = 2 KNO3 + PbSO3
MgBr2 + Na3PO4 = Mg3(PO4)2 + BrNa =>
3 MgBr2 + 2 Na3PO4 = Mg3(PO4)2 + 6 BrNa
C6H5COOH + CH3Cl = C6H5COCl + CH3OH =>
C6H5COOH + CH3Cl = C6H5COCl + CH3OH
Al + HClO4 = Al5O3 + HCl =>
20 Al + 3 HClO4 = 4 Al5O3 + 3 HCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe3O3 + H2 = Fe + H2O =>
Fe3O3 + 3 H2 = 3 Fe + 3 H2O
C5H4NCOOH + NaOH = C5H4NCOONa + H2O =>
C5H4NCOOH + NaOH = C5H4NCOONa + H2O
CaO + Cr2O3 + O2 = CaCrO4 =>
4 CaO + 2 Cr2O3 + 3 O2 = 4 CaCrO4
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
Na2O2 = Na + O2 =>
Na2O2 = 2 Na + O2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Pb(CH3COO)2 + SO2 = Pb(SO2)2 + (CH3COO)2 =>
Pb(CH3COO)2 + 2 SO2 = Pb(SO2)2 + (CH3COO)2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaCl + HC2H3O2 = Na(C2H3O2) + HCl =>
NaCl + HC2H3O2 = Na(C2H3O2) + HCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
Mn2O3 + C = Mn3O4 + CO2 =>
6 Mn2O3 + C = 4 Mn3O4 + CO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
AgCl + NaNO2 = AgNO2 + NaCl =>
AgCl + NaNO2 = AgNO2 + NaCl
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Pb3O4 + HNO3 + MnCl2 = Pb(NO3)2 + HMnO4 + PbCl2 + H2O =>
5 Pb3O4 + 26 HNO3 + 2 MnCl2 = 13 Pb(NO3)2 + 2 HMnO4 + 2 PbCl2 + 12 H2O
PbCl2 = Pb{2+} + Cl{-} =>
PbCl2 = Pb{2+} + 2 Cl{-}
Mg(HCO3)2 + CH3COOH = Mg(CH3COO)2 + CO2 + H2O =>
Mg(HCO3)2 + 2 CH3COOH = Mg(CH3COO)2 + 2 CO2 + 2 H2O
Pb(NO3)2 + KMnO4 = PbMnO4 + K(NO3)2 =>
Pb(NO3)2 + KMnO4 = PbMnO4 + K(NO3)2
K2CO3 + NaOH = KOH + Na2CO3 =>
K2CO3 + 2 NaOH = 2 KOH + Na2CO3
Cr2O3 + K2O = CrKO2 =>
Cr2O3 + K2O = 2 CrKO2
CH3COOH + MgCO3 = Mg(CH3COO)2 + H2O + CO2 =>
2 CH3COOH + MgCO3 = Mg(CH3COO)2 + H2O + CO2
Mg + Fe2O3 = MgO + Fe =>
3 Mg + Fe2O3 = 3 MgO + 2 Fe
PbCl2 = Pb + Cl2 =>
PbCl2 = Pb + Cl2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn2 = Zn =>
Zn2 = 2 Zn
KSO4 + BaCO3 = KCO3 + BaSO4 =>
KSO4 + BaCO3 = KCO3 + BaSO4
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
NH3HCl = NH4Cl =>
NH3HCl = NH4Cl
FeO + NaOH + O2 = NaFeO2 + H2O =>
4 FeO + 4 NaOH + O2 = 4 NaFeO2 + 2 H2O
Mg(NO3)2 + ZnCl2 = MgCl2 + Zn(NO3)2 =>
Mg(NO3)2 + ZnCl2 = MgCl2 + Zn(NO3)2
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