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Équations chimiques équilibrées sur02/12/25

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Na2CO3 + AuCl3 = NaCl + Au2(CO3)3 =>
3 Na2CO3 + 2 AuCl3 = 6 NaCl + Au2(CO3)3

WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

Li + FeCl3 = LiCl + Fe =>
3 Li + FeCl3 = 3 LiCl + Fe

Eu2O3 + B + B2O3 + Li2S = Eu6SB4O12 + Li2O =>
9 Eu2O3 + 4 B + 4 B2O3 + 3 Li2S = 3 Eu6SB4O12 + 3 Li2O

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

(CH3CO2)3Y + (CH3COO)2Ba + Cu(CO2CH3)2 + Zn(CH3COO)2 + O2 = Y100Ba200Cu299Zn1O700 + CO + H2O =>
100(CH3CO2)3Y + 200(CH3COO)2Ba + 299 Cu(CO2CH3)2 + Zn(CH3COO)2 + 1325 O2 = Y100Ba200Cu299Zn1O700 + 2600 CO + 1950 H2O

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

P + KMnO4 + H2O = K2H2P2O6 + MnO2 + KOH =>
6 P + 8 KMnO4 + 4 H2O = 3 K2H2P2O6 + 8 MnO2 + 2 KOH

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

CH3OH + H = CH4 + H2O =>
CH3OH + 2 H = CH4 + H2O

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

FeCl3(aq) + NH4SCN(aq) = (NH4)3[Fe(SCN)6](aq) + NH4Cl(aq) =>
FeCl3(aq) + 6 NH4SCN(aq) = (NH4)3[Fe(SCN)6](aq) + 3 NH4Cl(aq)

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

NaHCO3 + HNO2 = NaNO2 + H2CO3 =>
NaHCO3 + HNO2 = NaNO2 + H2CO3

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

KOH + MnO2 + H2SO4 = KMnO4 + MnSO4 + H2O =>
2 KOH + 5 MnO2 + 3 H2SO4 = 2 KMnO4 + 3 MnSO4 + 4 H2O

CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2

Pb(C2H3O2)2 + (NH4)3PO4 = Pb3(PO4)2 + C2H7NO2 =>
3 Pb(C2H3O2)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 C2H7NO2

PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2

CH3CH2CH3 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
CH3CH2CH3 + 6 KMnO4 + 6 KOH = CH3CH2COOH + 6 K2MnO4 + 4 H2O

Mg(OH)2 + (NH4)2S = MgS + NH4OH =>
Mg(OH)2 + (NH4)2S = MgS + 2 NH4OH

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

CH2O(g) + O2(g) = HCOOH(g) =>
2 CH2O(g) + O2(g) = 2 HCOOH(g)

Se8 + O2 = SeO2 =>
Se8 + 8 O2 = 8 SeO2

HCN + Cl2O7 = H2O + CO2 + N2 + Cl2 =>
14 HCN + 5 Cl2O7 = 7 H2O + 14 CO2 + 7 N2 + 5 Cl2

Al(ClO3)3 + K = KClO3 + Al =>
Al(ClO3)3 + 3 K = 3 KClO3 + Al

Al + Na2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Al + Na2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + Na2SO4 + 7 H2O

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

CH3CH2CH3 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
CH3CH2CH3 + 6 KMnO4 + 6 KOH = CH3CH2COOH + 6 K2MnO4 + 4 H2O

AI + NaOH = Na3AIO3 + H2 =>
2 AI + 6 NaOH = 2 Na3AIO3 + 3 H2

CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O

HBr + C2H2 = C2H3 + Br =>
HBr + C2H2 = C2H3 + Br

Ba(NO3)2 + CuSO4 = BaSO4 + NO3 + Cu =>
Ba(NO3)2 + CuSO4 = BaSO4 + 2 NO3 + Cu

CH3CH2CH3 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
CH3CH2CH3 + 6 KMnO4 + 6 KOH = CH3CH2COOH + 6 K2MnO4 + 4 H2O

Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3

C140H262O19 + O3 = CO2 + H2O =>
3 C140H262O19 + 392 O3 = 420 CO2 + 393 H2O

NH4Cl(s) + Ca(OH)2(s) = CaCl2(s) + NH3(g) + H2O(l) =>
2 NH4Cl(s) + Ca(OH)2(s) = CaCl2(s) + 2 NH3(g) + 2 H2O(l)

GaS = Ga + S =>
GaS = Ga + S

Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag

FeCl2 + H2S = H2 + FeS3 + HCl =>
FeCl2 + 3 H2S = 2 H2 + FeS3 + 2 HCl

ZnSO4 + Cu(NO3)2 = ZnNO3 + Cu(SO4)2 =>
2 ZnSO4 + Cu(NO3)2 = 2 ZnNO3 + Cu(SO4)2

HCI + Cr = CrCI + H =>
HCI + Cr = CrCI + H

(NH4)2SO4 + Ba = BaSO4 + NH4 =>
(NH4)2SO4 + Ba = BaSO4 + 2 NH4

Mg2(SO3)2 + Na3PO4 = Mg3(PO4)2 + Na2SO3 =>
3 Mg2(SO3)2 + 4 Na3PO4 = 2 Mg3(PO4)2 + 6 Na2SO3

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