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3 FeS2 + 8 Fe2O3 = 13 Fe + 6 FeSO4
KIO3 + N2H4 + HCl = KCl + NCl2 + HI + H2O =>
4 KIO3 + 3 N2H4 + 16 HCl = 4 KCl + 6 NCl2 + 4 HI + 12 H2O
Cl + OH = ClO3 + H2O =>
Cl + 6 OH = ClO3 + 3 H2O
MnO4 + I{-} + H = MnO2 + I2 + OH{-} =>
MnO4 + 2 I{-} + 2 H = MnO2 + I2 + 2 OH{-}
NaBr + CaH2 = CaBr2 + NaH =>
2 NaBr + CaH2 = CaBr2 + 2 NaH
Na3PO4 + KF = NaF + K3PO4 =>
Na3PO4 + 3 KF = 3 NaF + K3PO4
KI + H2SeO3 = Se + KIO3 + H2O =>
2 KI + 3 H2SeO3 = 3 Se + 2 KIO3 + 3 H2O
AgCl(s) + NH3(aq) = Ag(NH3)2{+}(aq) + Cl{-}(aq) =>
AgCl(s) + 2 NH3(aq) = Ag(NH3)2{+}(aq) + Cl{-}(aq)
Al + H2O = Al(O)4 + H2 =>
Al + 4 H2O = Al(O)4 + 4 H2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
NHO2 = HNO3 + NO + H2O =>
3 NHO2 = HNO3 + 2 NO + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
(C6H5)2CO + NaBH4 + H2O = (C6H5)2CHOH + NaB(OH)4 =>
4(C6H5)2CO + NaBH4 + 4 H2O = 4(C6H5)2CHOH + NaB(OH)4
MgS + KI = MgI2 + K2S =>
MgS + 2 KI = MgI2 + K2S
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
Cl3 + NaOH = NaClO + NaCl + H2O =>
2 Cl3 + 6 NaOH = 3 NaClO + 3 NaCl + 3 H2O
Ra + I = RaI2 =>
Ra + 2 I = RaI2
PbSO4 + Fe(OH)3 = Pb(OH)2 + FeSO4 + OH =>
PbSO4 + Fe(OH)3 = Pb(OH)2 + FeSO4 + OH
Ba(NO3)2 + Na2(CO3) = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2(CO3) = BaCO3 + 2 NaNO3
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
BaSO4 + AgI = Ag2SO4 + BaI2 =>
BaSO4 + 2 AgI = Ag2SO4 + BaI2
Fl2 + Ca = CaFl =>
Fl2 + 2 Ca = 2 CaFl
Ca(SO4) + NaCl = Na2(SO4) + CaCl2 =>
Ca(SO4) + 2 NaCl = Na2(SO4) + CaCl2
C2H3NaO2 = CH3COO + Na =>
C2H3NaO2 = CH3COO + Na
Ga + HCOOH = Ga(HCOO)3 + H2 =>
2 Ga + 6 HCOOH = 2 Ga(HCOO)3 + 3 H2
Fe2(S2O3)3 + Mg(C2H3O2)2 = Fe2(C2H3O2)2 + Mg(S2O3)3 =>
Fe2(S2O3)3 + Mg(C2H3O2)2 = Fe2(C2H3O2)2 + Mg(S2O3)3
S{2-} + Al{3+} + H2O = Al(OH)3 + H2S =>
3 S{2-} + 2 Al{3+} + 6 H2O = 2 Al(OH)3 + 3 H2S
Cr(OH)2 = CrO + H2O =>
Cr(OH)2 = CrO + H2O
Fe2(CO3)3 + NH4Cl = FeCl3 + (NH4)2CO3 =>
Fe2(CO3)3 + 6 NH4Cl = 2 FeCl3 + 3(NH4)2CO3
Br2(l) + NaCl(s) = BrCl + Na =>
Br2(l) + 2 NaCl(s) = 2 BrCl + 2 Na
NaI + K2CO3 = Na2CO3 + KI =>
2 NaI + K2CO3 = Na2CO3 + 2 KI
(NH4)2CO3 + Mg(OH)2 = MgCO3 + NH3 + H2O =>
(NH4)2CO3 + Mg(OH)2 = MgCO3 + 2 NH3 + 2 H2O
K2SHCl = K2ClHS =>
K2SHCl = K2ClHS
Na2(PO4) + CaCl2 = Ca(PO4) + NaCl =>
Na2(PO4) + CaCl2 = Ca(PO4) + 2 NaCl
Bi(OH)3 + HC7H5O3 = BiC7H5O4 + H2O =>
Bi(OH)3 + HC7H5O3 = BiC7H5O4 + 2 H2O
Ag2O + CH3COOH = AgCH3COO + H2O =>
Ag2O + 2 CH3COOH = 2 AgCH3COO + H2O
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
HNO3 + Fe = O2 + H2O + FeN =>
4 HNO3 + 4 Fe = 5 O2 + 2 H2O + 4 FeN
Fe3(PO4)2 + MgSO4 = FeSO4 + Mg3(PO4)2 =>
Fe3(PO4)2 + 3 MgSO4 = 3 FeSO4 + Mg3(PO4)2
C5H11O2N + O2 = CO2 + H2O + NO2 =>
4 C5H11O2N + 31 O2 = 20 CO2 + 22 H2O + 4 NO2
Li2S + FeCl2 = Li2Cl2 + FeS =>
Li2S + FeCl2 = Li2Cl2 + FeS
CHS + O2 = CO2 + SO2 + H2O =>
4 CHS + 9 O2 = 4 CO2 + 4 SO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaB(OH)4 + HCl = NaCl + H2O + B(OH)3 =>
NaB(OH)4 + HCl = NaCl + H2O + B(OH)3
Cu + MgO = Cu2O + Mg =>
2 Cu + MgO = Cu2O + Mg
Bi(OH)3 + SnO2{-2} = Bi + H2O + SnO3{-2} =>
2 Bi(OH)3 + 3 SnO2{-2} = 2 Bi + 3 H2O + 3 SnO3{-2}
Ni2O3(s) + SO3(g) = Ni2(SO4)3 =>
Ni2O3(s) + 3 SO3(g) = Ni2(SO4)3
Zn3N2 + H2O = Zn2 + OH + NH3 =>
2 Zn3N2 + 12 H2O = 3 Zn2 + 12 OH + 4 NH3
NaC7H5O2 + H2SO4 = C7H6O2 + Na2SO4 =>
2 NaC7H5O2 + H2SO4 = 2 C7H6O2 + Na2SO4
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