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Équations chimiques équilibrées sur12/23/24

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Fe3{+} = {-}1e + Fe2{+} =>
2 Fe3{+} = {-}1e + 3 Fe2{+}

CeO2 + HNO3 = Ce(NO3)4 + H2O =>
CeO2 + 4 HNO3 = Ce(NO3)4 + 2 H2O

Ba(OH)2 + NH4SCN = NH3H2O + Ba(SCN)2 =>
Ba(OH)2 + 2 NH4SCN = 2 NH3H2O + Ba(SCN)2

Cu + Ni(NO3)2 = CuNO3 + Ni =>
2 Cu + Ni(NO3)2 = 2 CuNO3 + Ni

CH2CH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH2CH2 + 4 KMnO4 + 8 H2O = 4 MnO2 + 6 CH3CH(OH)CH2(OH) + 4 KOH

Ca(HCO3)2 = CaCO3H2OCO2 =>
Ca(HCO3)2 = CaCO3H2OCO2

Ca(HCO3)2Ca(OH)2 = CaCO3H2O =>
Ca(HCO3)2Ca(OH)2 = 2 CaCO3H2O

Ca2O2 + HCl = CaCl2 + H2O =>
Ca2O2 + 4 HCl = 2 CaCl2 + 2 H2O

LiClO + H2O = LiOH + HClO =>
LiClO + H2O = LiOH + HClO

Fe(Br)3 + Ba(OH)2 = Fe(OH)3 + Ba(Br)2 =>
2 Fe(Br)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(Br)2

AgCl(s) + NH3(aq) = Ag(NH3) + Cl =>
AgCl(s) + NH3(aq) = Ag(NH3) + Cl

Al(HSO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al(HSO4)3 + 3 H2O = Al(OH)3 + 3 H2SO4

Ca(HCO3)2Ca(OH)2 = Ca(CO3)H2O =>
Ca(HCO3)2Ca(OH)2 = 2 Ca(CO3)H2O

Pb(NO3)2 + NH3 = Pb(NH3)2 + NH3(NO3) =>
Pb(NO3)2 + 4 NH3 = Pb(NH3)2 + 2 NH3(NO3)

CaO + NaOH = Ca(OH) + NaO =>
CaO + NaOH = Ca(OH) + NaO

H2S + Zn(OH)2 = Zn2(S)2 + H2O =>
2 H2S + 2 Zn(OH)2 = Zn2(S)2 + 4 H2O

KOH + MgCl2 = MgOH + KCl2 =>
KOH + MgCl2 = MgOH + KCl2

CrO4{2-} + MoO2 + OH{-} = Cr2O3 + MoO4{2-} + H2O =>
2 CrO4{2-} + 3 MoO2 + 2 OH{-} = Cr2O3 + 3 MoO4{2-} + H2O

Al2(CO3)3 + H2SO4 = Al2(SO4)3 + H2CO3 =>
Al2(CO3)3 + 3 H2SO4 = Al2(SO4)3 + 3 H2CO3

PbO2 + NaOH + Cr2(SO4)3 = PbSO4 + Na2CrO4 + H2O =>
3 PbO2 + 4 NaOH + Cr2(SO4)3 = 3 PbSO4 + 2 Na2CrO4 + 2 H2O

H2O2 + NaHSO3 = NaOH + H2SO4 =>
H2O2 + NaHSO3 = NaOH + H2SO4

CaC2O4 = CaCO3CO =>
CaC2O4 = CaCO3CO

ZnSO4 + NH4OH = [Zn(NH3)6](OH)2 + (NH4)2SO4 + H2O =>
ZnSO4 + 8 NH4OH = [Zn(NH3)6](OH)2 + (NH4)2SO4 + 6 H2O

NH4Cl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2(s) + NH4(C2H3O2)(aq) =>
2 NH4Cl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2(s) + 2 NH4(C2H3O2)(aq)

NaCl(aq) + KI(aq) = KCl(aq) + NaI(aq) =>
NaCl(aq) + KI(aq) = KCl(aq) + NaI(aq)

CaC2O4 = COCO2CaO =>
CaC2O4 = COCO2CaO

bariumnitrate + ammoniumsulfate = bariumsulfate + ammoniumnitrate =>
Ba(NO3)2 + (NH4)2SO4 = BaSO4 + 2 NH4NO3

C285H467N81O75S7 + Fe(OH) = CO2 + Fe + H2O + N2 + SO2 =>
2 C285H467N81O75S7 + 2970 Fe(OH) = 570 CO2 + 2970 Fe + 1952 H2O + 81 N2 + 14 SO2

K3PO4 + KH2PO4 = K2HPO4 =>
K3PO4 + KH2PO4 = 2 K2HPO4

MnSO4 + KMnO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
3 MnSO4 + 2 KMnO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4

H2SO3 + Ga(OH)3 = GaOHSO3 + H2O =>
H2SO3 + Ga(OH)3 = GaOHSO3 + 2 H2O

NH3CH2COOH + OH = NHCH2COOH + H2O =>
NH3CH2COOH + 2 OH = NHCH2COOH + 2 H2O

K3AsO4 + KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O =>
K3AsO4 + 2 KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O

H2C4H4O4 + OH = H2O + C4H4O4 =>
H2C4H4O4 + 2 OH = 2 H2O + C4H4O4

PbO2 + NaOH + Cr2(SO4)3 = PbSO4 + Na2CrO4 + H2O =>
3 PbO2 + 4 NaOH + Cr2(SO4)3 = 3 PbSO4 + 2 Na2CrO4 + 2 H2O

NH4OH + CaCl2 = Cl2OH + NH4Ca =>
NH4OH + CaCl2 = Cl2OH + NH4Ca

CH3COCOOHNaOH = NaH2OCH2COCOOH =>
CH3COCOOHNaOH = NaH2OCH2COCOOH

H3OCl + LiOH = LiCl + H2O =>
H3OCl + LiOH = LiCl + 2 H2O

CuF2 + H2O = Cu + O2 + HF =>
2 CuF2 + 2 H2O = 2 Cu + O2 + 4 HF

HNO3 + Cd = Cd(NO3)2 + NO + H2O =>
8 HNO3 + 3 Cd = 3 Cd(NO3)2 + 2 NO + 4 H2O

[Ag(NH3)2] + CaC2 + H2O = C2Ag2 + NH5 + NH4NO3 + CaO =>
4[Ag(NH3)2] + 2 CaC2 + 5 H2O = 2 C2Ag2 + 6 NH5 + NH4NO3 + 2 CaO

Sc + CH3COOH = CH3COOSc + H2 =>
2 Sc + 2 CH3COOH = 2 CH3COOSc + H2

Cd(NO3)2 + H2(SO4) = Cd(SO4) + HNO3 =>
Cd(NO3)2 + H2(SO4) = Cd(SO4) + 2 HNO3

Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3

Pb + NaOH + H2O = Na2[PbOH]4 + H2 =>
4 Pb + 2 NaOH + 2 H2O = Na2[PbOH]4 + H2

CH3COONH4 + O2 = CO2 + H2O + N2 =>
4 CH3COONH4 + 11 O2 = 8 CO2 + 14 H2O + 2 N2

KH2PO4 = K + H + P + O =>
KH2PO4 = K + 2 H + P + 4 O

Cu3P + Ca = Cu + Ca3P2 =>
2 Cu3P + 3 Ca = 6 Cu + Ca3P2

Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + Na(NO3) =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 Na(NO3)

CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4

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