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Fe(OH)2 + Na2O = FeO + 2 NaOH
Au + Mg(NO3)2 = Mg + Au(NO3)3 =>
2 Au + 3 Mg(NO3)2 = 3 Mg + 2 Au(NO3)3
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NaSO4 + BaPO4 = NaPO4 + BaSO4 =>
NaSO4 + BaPO4 = NaPO4 + BaSO4
H2O + ReO4{-} + IO{-} = IO3{-} + Re + OH{-} =>
2 H2O + 4 ReO4{-} + 7 IO{-} = 7 IO3{-} + 4 Re + 4 OH{-}
Pb(NO3)2(aq) + Ba(OH)2(aq) = Pb(OH)2(s) + Ba(NO3)2(aq) =>
Pb(NO3)2(aq) + Ba(OH)2(aq) = Pb(OH)2(s) + Ba(NO3)2(aq)
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
Cr2O3 + KClO3 + KOH = KCrO3 + KCl + H2O =>
3 Cr2O3 + 2 KClO3 + 6 KOH = 6 KCrO3 + 2 KCl + 3 H2O
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
C3H6O2 + CH4O = C4H8O2 + H2O =>
C3H6O2 + CH4O = C4H8O2 + H2O
C3H5(OH)3 + Cu(OH)2 = C3H5O2CuOH + H2O =>
C3H5(OH)3 + Cu(OH)2 = C3H5O2CuOH + 2 H2O
NaCl + SmCl3 + TaCl5 = Na11Sm14Ta5Cl78 =>
11 NaCl + 14 SmCl3 + 5 TaCl5 = Na11Sm14Ta5Cl78
Al + HCOOH = Al(HCOO)2 + H2 =>
Al + 2 HCOOH = Al(HCOO)2 + H2
Na2CO2 + HCl = Na2Cl + HCO2 =>
Na2CO2 + HCl = Na2Cl + HCO2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Ni + Pb{2+} = Ni{2+} + Pb =>
Ni + Pb{2+} = Ni{2+} + Pb
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
C2H4(CN)2 + HCl + H2O = C2H4(COOH)2 + NH4Cl =>
C2H4(CN)2 + 2 HCl + 4 H2O = C2H4(COOH)2 + 2 NH4Cl
CH4O + KMnO4 = H2CO + KOH + H2O + MnO2 =>
3 CH4O + 2 KMnO4 = 3 H2CO + 2 KOH + 2 H2O + 2 MnO2
Al2(SO4)3*16H2O + Ca(HCO3)2 = Al(OH)3 + CaSO4 + CO2 + H2O =>
Al2(SO4)3*16H2O + 3 Ca(HCO3)2 = 2 Al(OH)3 + 3 CaSO4 + 6 CO2 + 16 H2O
Mg(s) + AgNO3(aq) = Mg(NO3)2(aq) + Ag(s) =>
Mg(s) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 Ag(s)
CuSO4 + KClO3 = Cu(ClO3)2 + K2SO4 =>
CuSO4 + 2 KClO3 = Cu(ClO3)2 + K2SO4
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
RaCO3 + HCl = RaCl2 + H2O + CO2 =>
RaCO3 + 2 HCl = RaCl2 + H2O + CO2
HCrO2 + Ca(OH)2 = Ca(CrO2)2 + H2O =>
2 HCrO2 + Ca(OH)2 = Ca(CrO2)2 + 2 H2O
KCSN + HCl = KCl + CSNH =>
KCSN + HCl = KCl + CSNH
C2H6 + Br2 = C2H5Br + HBr =>
C2H6 + Br2 = C2H5Br + HBr
Cr + S2 = Cr2S3 =>
4 Cr + 3 S2 = 2 Cr2S3
HClO4 + H2O = HClO + H2O4 =>
HClO4 + H2O = HClO + H2O4
CH3NH3HSO4 + NaOH = CH3NH2 + Na2SO4 + H2O =>
CH3NH3HSO4 + 2 NaOH = CH3NH2 + Na2SO4 + 2 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
K2SO4 + H3PO4 = K3PO4 + H2SO4 =>
3 K2SO4 + 2 H3PO4 = 2 K3PO4 + 3 H2SO4
NH4NO3 + Fe(OH)3 = NH4OH + Fe(NO3)3 =>
3 NH4NO3 + Fe(OH)3 = 3 NH4OH + Fe(NO3)3
Ag + Pb(CN2) = Ag(CN2) + Pb =>
Ag + Pb(CN2) = Ag(CN2) + Pb
AlBr3 + CuNO3 = Al(NO3)3 + CuBr =>
AlBr3 + 3 CuNO3 = Al(NO3)3 + 3 CuBr
Mg(BrO4)2 = MgBr2 + O2 =>
Mg(BrO4)2 = MgBr2 + 4 O2
KI + Fe2(SO4)3 = FeSO4 + I2 + K2SO4 =>
2 KI + Fe2(SO4)3 = 2 FeSO4 + I2 + K2SO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ag + Ba(OH)2 = AgOH + Ba =>
2 Ag + Ba(OH)2 = 2 AgOH + Ba
I{-} + MnO4{-} + H{+} + H2O = H5IO6 + MnO2 =>
3 I{-} + 8 MnO4{-} + 11 H{+} + 2 H2O = 3 H5IO6 + 8 MnO2
Fe{2+}(aq) = Fe{3+}(aq) + {-} =>
Fe{2+}(aq) = Fe{3+}(aq) + e
CaCl2 + Na2SO4 = Ca(SO4) + NaCl =>
CaCl2 + Na2SO4 = Ca(SO4) + 2 NaCl
Cu(NO3)2 + NH3 + H2O = Cu(NH3)4 + OH =>
Cu(NO3)2 + 2 NH3 + 12 H2O = Cu(NH3)4 + 18 OH
H3AsO4 + NO = H3AsO3 + NO3 =>
2 H3AsO4 + NO = 2 H3AsO3 + NO3
MgBr2 + FeCl3 = MgCl2 + FeBr3 =>
3 MgBr2 + 2 FeCl3 = 3 MgCl2 + 2 FeBr3
NaCl + HNO3 + Ag(NH3)2OH = H2O + NH4NO3 + AgCl + NaNO3 =>
NaCl + 3 HNO3 + Ag(NH3)2OH = H2O + 2 NH4NO3 + AgCl + NaNO3
Zn + AgI = ZnI2 + Ag =>
Zn + 2 AgI = ZnI2 + 2 Ag
Na2CrO4 + Co(NO3)2 = CoCrO4 + Na2(NO3)2 =>
Na2CrO4 + Co(NO3)2 = CoCrO4 + Na2(NO3)2
Zn2{+} + S2{-} = ZnS =>
Zn2{+} + S2{-} = 2 ZnS
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