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3[Fe(H2O)6]{2+} + 3 SO4{2-} + 4 KOH + 2 NaNO3 = FeOFe2O3 + 2 NO2 + Na2SO4 + 2 K2SO4 + 20 H2O
HC3H3O2 + Ba(OH)2 = H2O + Ba(C3H3O2)2 =>
2 HC3H3O2 + Ba(OH)2 = 2 H2O + Ba(C3H3O2)2
C + S = CS2 =>
C + 2 S = CS2
CH3NH2 + MgCl2 + H2O = CH3NH3Cl + Mg(OH)2 =>
2 CH3NH2 + MgCl2 + 2 H2O = 2 CH3NH3Cl + Mg(OH)2
NH4C2H3O2 + HCl = NH4Cl + HC2H3O2 =>
NH4C2H3O2 + HCl = NH4Cl + HC2H3O2
HI = H2 + I2 =>
2 HI = H2 + I2
K2CO3 + H2O = K2HCO3 + OH =>
K2CO3 + H2O = K2HCO3 + OH
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NO + NaOH = NaNO2 + H2O + N2 =>
6 NO + 4 NaOH = 4 NaNO2 + 2 H2O + N2
CuS + Cl2 = CuCl2 + S2Cl2 =>
2 CuS + 3 Cl2 = 2 CuCl2 + S2Cl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HF(aq) + NaOH(aq) = NaF + H2O =>
HF(aq) + NaOH(aq) = NaF + H2O
K2Cr2O7 + K2S + H2O = Cr(OH)3 + S + KOH =>
K2Cr2O7 + 3 K2S + 7 H2O = 2 Cr(OH)3 + 3 S + 8 KOH
Fe + (OH)3 = Fe2O3 + H2O =>
2 Fe + 2(OH)3 = Fe2O3 + 3 H2O
GaH9 + HNO3 = GaH6(NO2)3 + H2O =>
GaH9 + 3 HNO3 = GaH6(NO2)3 + 3 H2O
C4H4O4 + NaOH = Na2C4H2O4 + H2O =>
C4H4O4 + 2 NaOH = Na2C4H2O4 + 2 H2O
Cu + Cl2 = Cu{2+} + Cl{-] =>
Cu + Cl2 = Cu{2+} + 2 Cl{-]
P + O2 = P2O6(classification) =>
2 P + 3 O2 = P2O6(classification)
K2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2SO4 + H2O =>
5 K2SO3 + K2Cr2O7 + 2 H2SO4 = 6 K2SO4 + Cr2SO4 + 2 H2O
CaCO3 + O = CaO + CO3 =>
CaCO3 + O = CaO + CO3
HI + LiOH = Li + H2O(I) =>
HI + LiOH = Li + H2O(I)
I2 + OH{-} = I{-} + H2O + I7O5H =>
8 I2 + 9 OH{-} = 9 I{-} + 4 H2O + I7O5H
H2S + Na2Cr2O7 + H2O = Cr(OH)3 + S + NaOH =>
3 H2S + Na2Cr2O7 + H2O = 2 Cr(OH)3 + 3 S + 2 NaOH
Ba(OH)2 + HCl = BaH2 + OHCl =>
Ba(OH)2 + 2 HCl = BaH2 + 2 OHCl
Co + C2H5NO2 = C4H10CoN2O4 =>
Co + 2 C2H5NO2 = C4H10CoN2O4
Li + O3 = LiO3 =>
Li + O3 = LiO3
Br2 + O2 = Br2O5 =>
2 Br2 + 5 O2 = 2 Br2O5
E + O = EO =>
E + O = EO
ZnS + H2O2 = ZnSO4 + H2O =>
ZnS + 4 H2O2 = ZnSO4 + 4 H2O
Fe(ClO3)2 + K(OH) = Fe(OH)2 + K(ClO3) =>
Fe(ClO3)2 + 2 K(OH) = Fe(OH)2 + 2 K(ClO3)
CH3Cl + C6H5NH2 = CH3NH2 + C6H5Cl =>
CH3Cl + C6H5NH2 = CH3NH2 + C6H5Cl
C2H8O2 + O2 = CO2 + H2O =>
C2H8O2 + 3 O2 = 2 CO2 + 4 H2O
K2PtCl14 + NH3 = Pt(NH3)2Cl12 + KCl =>
K2PtCl14 + 2 NH3 = Pt(NH3)2Cl12 + 2 KCl
C + Na2O1H2 = NaC + H2O =>
2 C + Na2O1H2 = 2 NaC + H2O
Fe(CN) + Na = Fe + NaCN =>
Fe(CN) + Na = Fe + NaCN
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO3{-2} + MnO4{-} + H2O = SO4{-2} + MnO2 + H{-} =>
5 SO3{-2} + 2 MnO4{-} + H2O = 5 SO4{-2} + 2 MnO2 + 2 H{-}
Mn + H2SO3 = Mn2(SO3)7 + H2 =>
2 Mn + 7 H2SO3 = Mn2(SO3)7 + 7 H2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
SbF5 + HF = SbH + F =>
SbF5 + HF = SbH + 6 F
Sb + O2 = SbO =>
2 Sb + O2 = 2 SbO
Na2C2O4(s) + H2SO4(aq) = Na2SO4 + H2C2O4 =>
Na2C2O4(s) + H2SO4(aq) = Na2SO4 + H2C2O4
Al2O3 + H2SO4 = Al2(SO4)3 + H6O3 =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + H6O3
Fe(OH)3 + HNo3 = Fe(No3)3 + HOH =>
Fe(OH)3 + 3 HNo3 = Fe(No3)3 + 3 HOH
Bi2O3 + NaClO + NaOH = NaBiO3 + NaCl + H2O =>
Bi2O3 + 2 NaClO + 2 NaOH = 2 NaBiO3 + 2 NaCl + H2O
NH3 + H2SO4 = NH8 + SO4 =>
2 NH3 + 5 H2SO4 = 2 NH8 + 5 SO4
H(IO2)3{-} + I{-} + H{+} = H2O + I2 =>
2 H(IO2)3{-} + 20 I{-} + 22 H{+} = 12 H2O + 13 I2
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
C8H5O4{-} + Cr2O7{-2} + H{+} = Cr{+3} + CO2 + H2O =>
C8H5O4{-} + 5 Cr2O7{-2} + 41 H{+} = 10 Cr{+3} + 8 CO2 + 23 H2O
O2 = O3 =>
3 O2 = 2 O3
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