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2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
H2S + CaCO3 + H2O = CaSO4 + CH4 =>
H2S + CaCO3 + H2O = CaSO4 + CH4
Cr(OH)3 + Cl2 + KOH = K2CrO4 + KCl + H2O =>
2 Cr(OH)3 + 3 Cl2 + 10 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
Pb(NiO3)2 + KI = PbI2 + K(NiO3) =>
Pb(NiO3)2 + 2 KI = PbI2 + 2 K(NiO3)
Li3N + MgO = Mg3N2 + Li2O =>
2 Li3N + 3 MgO = Mg3N2 + 3 Li2O
CuKNO3 = KCuNO3 =>
CuKNO3 = KCuNO3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Na2HPO4 + KMnO4 = NaMnO4 + K2HPO4 =>
Na2HPO4 + 2 KMnO4 = 2 NaMnO4 + K2HPO4
CH3COOH + Zn = Zn(CH3COO)3 + H2 =>
6 CH3COOH + 2 Zn = 2 Zn(CH3COO)3 + 3 H2
HCN + Pb(OH)4 = Pb(CN)4 + H2O =>
4 HCN + Pb(OH)4 = Pb(CN)4 + 4 H2O
K2CrO7 + C6H12O6 + H2SO4 = Cr(SO4)3 + K2SO4 + CO2 + H2O =>
4 K2CrO7 + C6H12O6 + 16 H2SO4 = 4 Cr(SO4)3 + 4 K2SO4 + 6 CO2 + 22 H2O
COCa(OH)2 = CaCO2H2O =>
COCa(OH)2 = CaCO2H2O
AuNO3 + Na2CO3 = Au2CO3 + NaNO3 =>
2 AuNO3 + Na2CO3 = Au2CO3 + 2 NaNO3
H3PO4 + K2S = K2PO4 + H3S =>
H3PO4 + K2S = K2PO4 + H3S
Zn{2+} + H2S = ZnS + H{+} =>
Zn{2+} + H2S = ZnS + 2 H{+}
CaCl2 + O2 = CaO + Cl2 =>
2 CaCl2 + O2 = 2 CaO + 2 Cl2
NH4NO3 + KSCN = NH4SCN + KNO3 =>
NH4NO3 + KSCN = NH4SCN + KNO3
C7H15(COOH) + O2 = CO2 + H2O =>
C7H15(COOH) + 11 O2 = 8 CO2 + 8 H2O
Fe{+3} + SCN{-} = [Fe(NCS)]{2+} =>
Fe{+3} + SCN{-} = [Fe(NCS)]{2+}
SO3 + H = SO2 + H2O =>
SO3 + 2 H = SO2 + H2O
AgBr + NH4OH = [Ag(NH3)2]Br + H2O =>
AgBr + 2 NH4OH = [Ag(NH3)2]Br + 2 H2O
P3H4 = PH3 + P4H2 =>
2 P3H4 = 2 PH3 + P4H2
Cr2(SO4)3 + LiOH = Li2SO4 + Cr(OH)3 =>
Cr2(SO4)3 + 6 LiOH = 3 Li2SO4 + 2 Cr(OH)3
Al2(NO3)3 + H2SO4 = Al2(SO4)3 + H2O + NO2 =>
Al2(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O + 3 NO2
Li(OH) + Ni = Ni(OH) + Li =>
Li(OH) + Ni = Ni(OH) + Li
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
NaOH + CHCl3 + C6H10 = C7H10Cl2 + NaCl + H2O =>
NaOH + CHCl3 + C6H10 = C7H10Cl2 + NaCl + H2O
La(NO3)3 + NH2CH2COOH = La2O3 + N2 + CO2 + H2O =>
6 La(NO3)3 + 10 NH2CH2COOH = 3 La2O3 + 14 N2 + 20 CO2 + 25 H2O
BaCl2 + Kr2CrO4 = KrCl + BaCrO4 =>
BaCl2 + Kr2CrO4 = 2 KrCl + BaCrO4
Ca(NO3)2 + ZnI2 = Zn(NO3)2 + CaI2 =>
Ca(NO3)2 + ZnI2 = Zn(NO3)2 + CaI2
C10H15NO + NH4OH + CH3OH = C10H15N + H2O =>
4 C10H15NO + NH4OH + 10 CH3OH = 5 C10H15N + 15 H2O
Zn{2+} + Cl{-} = Cl2 + Zn =>
Zn{2+} + 2 Cl{-} = Cl2 + Zn
IO{-}3 + AsO{-}3 = I{-} + AsO3{-}r =>
2 IO{-}3 + AsO{-}3 = 2 I{-} + AsO3{-}r
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C24H30N3O + O2 = CO2 + H2O + N2O =>
4 C24H30N3O + 127 O2 = 96 CO2 + 60 H2O + 6 N2O
NaSO4 + CO = NaSO3 + CO2 =>
NaSO4 + CO = NaSO3 + CO2
KOH + Ca(OH)2 + H2MnO4 = (KCa)2(MnO4)3 + H2O =>
2 KOH + 2 Ca(OH)2 + 3 H2MnO4 = (KCa)2(MnO4)3 + 6 H2O
MgO = Mg{+} + O{-} =>
MgO = Mg{+} + O{-}
CuBr2 + KI = CuI + KBr2 =>
CuBr2 + KI = CuI + KBr2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
KMnO4 + NaNO2 + H2O = KOH + MnO2 + NaNO3 =>
2 KMnO4 + 3 NaNO2 + H2O = 2 KOH + 2 MnO2 + 3 NaNO3
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
C2H04 + O2 = CO2 + H2O =>
C2H04 + 3 O2 = 2 CO2 + 2 H2O
HMnO4H2O = H3OMnO4 =>
HMnO4H2O = H3OMnO4
KNO2 + HI = KI + NO + I2 + H2O =>
2 KNO2 + 4 HI = 2 KI + 2 NO + I2 + 2 H2O
Ag2O + NH4OH = (Ag(NH3)2)OH + H2O =>
Ag2O + 4 NH4OH = 2(Ag(NH3)2)OH + 3 H2O
FeCl3 + Na3(PO4) = Fe(PO4) + NaCl =>
FeCl3 + Na3(PO4) = Fe(PO4) + 3 NaCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Bi2SO3 + O2 = Bi2O3 + SO2 =>
Bi2SO3 + O2 = Bi2O3 + SO2
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