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*4Fe + 3 O2 = *2Fe2O3
Cu2SO4 + Fe(NO3)3 = Fe2(SO4)3 + CuNO3 =>
3 Cu2SO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 6 CuNO3
C2H5ONa + HCl = C2H5OH + NaCl =>
C2H5ONa + HCl = C2H5OH + NaCl
Hg + H3IO6{2-} = Hg2O + IO3{-} + H2O + OH{-} =>
2 Hg + H3IO6{2-} = Hg2O + IO3{-} + H2O + OH{-}
N2O + H2O = HNO =>
N2O + H2O = 2 HNO
HCOH + Cu(OH)2 = HCOOH + Cu + H2O =>
HCOH + Cu(OH)2 = HCOOH + Cu + H2O
Fe2O3 + Li3PO4 = FePO4 + Li2O =>
Fe2O3 + 2 Li3PO4 = 2 FePO4 + 3 Li2O
Cr + O2 + Au = AuCr2O7 =>
4 Cr + 7 O2 + 2 Au = 2 AuCr2O7
LiF + Cr2(SO4)3 = Li2SO4 + CrF3 =>
6 LiF + Cr2(SO4)3 = 3 Li2SO4 + 2 CrF3
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
C10H17N3O6S = C10H4O + (NH4)2SO4 + NH3 + H2O =>
C10H17N3O6S = C10H4O + (NH4)2SO4 + NH3 + H2O
NH3 + C6H8O7 = (NH4)2HC6H5O7 =>
2 NH3 + C6H8O7 = (NH4)2HC6H5O7
CH3COOH + MgCO3 = MgCOOH + H2O + CO2 =>
3 CH3COOH + 8 MgCO3 = 8 MgCOOH + 2 H2O + 6 CO2
C6H12N4 + HNO3 = C6H14N6O6 =>
C6H12N4 + 2 HNO3 = C6H14N6O6
Fe + SO2 = FeO + SO =>
Fe + SO2 = FeO + SO
V3O + Fe2O = V6O5 + Fe3O =>
2 V3O + 9 Fe2O = V6O5 + 6 Fe3O
RCH2O + Cr2O7 = RCO + Cr + H2O =>
7 RCH2O + Cr2O7 = 7 RCO + 2 Cr + 7 H2O
FeSO4H20 = Fe + SO4 + H =>
FeSO4H20 = Fe + SO4 + 20 H
H2OSO2 = H2SO3 =>
H2OSO2 = H2SO3
CuCl + Ag2SO4 = Cu2 + SO4 + AgCl =>
2 CuCl + Ag2SO4 = Cu2 + SO4 + 2 AgCl
AlPO4 + K2SO = AlSO4 + K2PO =>
AlPO4 + K2SO = AlSO4 + K2PO
Fe2O3(s) + Ca = FeO + CaO =>
Fe2O3(s) + Ca = 2 FeO + CaO
Ag + S = Ag2S =>
2 Ag + S = Ag2S
KBrO3 + HCl + Sb2O3 = KCl + HBr + Sb2O5 =>
2 KBrO3 + 2 HCl + 3 Sb2O3 = 2 KCl + 2 HBr + 3 Sb2O5
Ba + Cl2 + Na2SO4 = NaCl + BaSO4 =>
Ba + Cl2 + Na2SO4 = 2 NaCl + BaSO4
CH3COOH + K2SiO3 = CH3COOK + SiO2 + H2O =>
2 CH3COOH + K2SiO3 = 2 CH3COOK + SiO2 + H2O
Fe + O2 + H2O = Fe2O3*4H2O =>
4 Fe + 3 O2 + 8 H2O = 2 Fe2O3*4H2O
O14 + Cl2 = Cl2O7 =>
O14 + 2 Cl2 = 2 Cl2O7
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
C3H4OH(COOH)3 + NaOH = Na3C3H4OH + CH2O3 =>
C3H4OH(COOH)3 + 3 NaOH = Na3C3H4OH + 3 CH2O3
SO2 = O2 + S8 =>
8 SO2 = 8 O2 + S8
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
PdCl2 + NaBH4 + H2O = PdO2 + NaCl + BCl3 + H2 =>
2 PdCl2 + NaBH4 + 4 H2O = 2 PdO2 + NaCl + BCl3 + 6 H2
FeCl3(aq) + NaOH(aq) = FeOH(aq) + NaCl3(aq) =>
FeCl3(aq) + NaOH(aq) = FeOH(aq) + NaCl3(aq)
NaNO2 + PbO = PbNO2 + NaO =>
NaNO2 + PbO = PbNO2 + NaO
Al2(CrO4)3 + NaOH = Al(OH)3 + Na2CrO4 =>
Al2(CrO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2CrO4
Cu + OH = Cu2O + H2O =>
2 Cu + 2 OH = Cu2O + H2O
SiCl = Si + Cl4 =>
4 SiCl = 4 Si + Cl4
AgBr + Cl = AgCl2 + Br =>
AgBr + 2 Cl = AgCl2 + Br
Co{2+} + Zn = Co + Zn{2+} =>
Co{2+} + Zn = Co + Zn{2+}
C6H5CH2CH3 = C6H5CHCH2 + H2 =>
C6H5CH2CH3 = C6H5CHCH2 + H2
NaBO2 + H2O2 + H2O = [Na2B2(O2)2(OH)4*6H2O] =>
2 NaBO2 + 2 H2O2 + 6 H2O = [Na2B2(O2)2(OH)4*6H2O]
Fe(OH)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O(l) =>
2 Fe(OH)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O(l)
I2 + Cl2 = ICl =>
I2 + Cl2 = 2 ICl
Ar2S5 + HNO3 = H2ArO4 + H2SO4 + NO2 + H2O =>
Ar2S5 + 42 HNO3 = 2 H2ArO4 + 5 H2SO4 + 42 NO2 + 14 H2O
CuFeS2 + HNO3 = Cu(NO3) + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 CuFeS2 + 28 HNO3 = 3 Cu(NO3) + 3 Fe(NO3)3 + 6 H2SO4 + 16 NO + 8 H2O
C8H14 + HBr = C8H16Br2 =>
C8H14 + 2 HBr = C8H16Br2
Mg(NO3)2(s) + Li(s) = Mg(s) + LiNO3(s) =>
Mg(NO3)2(s) + 2 Li(s) = Mg(s) + 2 LiNO3(s)
VCl2 + Cl = VCl4 =>
VCl2 + 2 Cl = VCl4
N2Cl + CHH4 = CCl4 + H2 + N2 =>
8 N2Cl + 2 CHH4 = 2 CCl4 + 5 H2 + 8 N2
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