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Équations chimiques équilibrées sur04/26/25

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NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O

K2Cr2O7 + H2SO4 + FeS = Cr2(SO4)3 + H2O + Fe2(SO4)3 + K2(SO4) =>
3 K2Cr2O7 + 13 H2SO4 + 2 FeS = 3 Cr2(SO4)3 + 13 H2O + Fe2(SO4)3 + 3 K2(SO4)

Li2CO3(aq) = Li2O + CO2 =>
Li2CO3(aq) = Li2O + CO2

FeCl3 + FeCl2 + NH3 + H2O = Fe2O3FeO + NH4Cl =>
2 FeCl3 + FeCl2 + 8 NH3 + 4 H2O = Fe2O3FeO + 8 NH4Cl

CuO + H{+} + HSO4{-} = Cu + (SO4)2 + H2O =>
2 CuO + 2 H{+} + 2 HSO4{-} = 2 Cu + (SO4)2 + 2 H2O

KOH + Ca(CH3CO2)2 = KCH3CO2 + Ca(OH)2 =>
2 KOH + Ca(CH3CO2)2 = 2 KCH3CO2 + Ca(OH)2

K4[Fe(CN)6] + CuSO4 = K2Cu[Fe(CN)6] + K2SO4 =>
K4[Fe(CN)6] + CuSO4 = K2Cu[Fe(CN)6] + K2SO4

NaCl + SO2 = Na2O + SCl4 =>
4 NaCl + SO2 = 2 Na2O + SCl4

Cu(NO3)2(aq) + KI(aq) = CuI(s) + I2(aq) + KNO3(aq) =>
2 Cu(NO3)2(aq) + 4 KI(aq) = 2 CuI(s) + I2(aq) + 4 KNO3(aq)

Co{+2} + NH3 = [Co(NH3)6]{+2} =>
Co{+2} + 6 NH3 = [Co(NH3)6]{+2}

(CH3COO)2Fe + NH3 = CH3COOH + Fe(NH2)2 =>
(CH3COO)2Fe + 2 NH3 = 2 CH3COOH + Fe(NH2)2

KMnO4 + C2H2 = K2C2O4 + KOH + MnO2 + H2O =>
8 KMnO4 + 3 C2H2 = 3 K2C2O4 + 2 KOH + 8 MnO2 + 2 H2O

Na2 + SO4 + Hg(NO3)2 = Hg2SO4 + NaNO3 =>
2 Na2 + SO4 + 2 Hg(NO3)2 = Hg2SO4 + 4 NaNO3

NH4NO3 + Zn = ZnO + H2O + N2 =>
NH4NO3 + Zn = ZnO + 2 H2O + N2

Ca(HCO3)2 + Na2CO3 = Na2(HCO3)2 + CaCO3 =>
Ca(HCO3)2 + Na2CO3 = Na2(HCO3)2 + CaCO3

H2C4H4O4 + NaOH = Na2C4H4O4 + H2O =>
H2C4H4O4 + 2 NaOH = Na2C4H4O4 + 2 H2O

N2O3 + CaO = Ca3N2 + O2 =>
N2O3 + 3 CaO = Ca3N2 + 3 O2

CsO2 + H2O = CsO3 + H2 =>
CsO2 + H2O = CsO3 + H2

C12H22O11 + H2SO4 = C + H2SO4H2O =>
C12H22O11 + 11 H2SO4 = 12 C + 11 H2SO4H2O

NH3(g) + O2(g) + CH4(g) = HCN(g) + H2O(g) =>
2 NH3(g) + 3 O2(g) + 2 CH4(g) = 2 HCN(g) + 6 H2O(g)

N2O7Zr + H2O = H2N2O8Zr =>
N2O7Zr + H2O = H2N2O8Zr

KMnO4 + C6H12O6 + KOH = CO2 + K2MnO4 + H2O =>
24 KMnO4 + C6H12O6 + 24 KOH = 6 CO2 + 24 K2MnO4 + 18 H2O

CaO + AgNO3 = Ca(NO3)2 + Ag2O =>
CaO + 2 AgNO3 = Ca(NO3)2 + Ag2O

C2H4 + KMnO4 + H2O = C2H6O2 + Mn(OH)2 + KOH =>
5 C2H4 + 2 KMnO4 + 8 H2O = 5 C2H6O2 + 2 Mn(OH)2 + 2 KOH

C2H4(OH)2 + Na = C2H4O2Na2 + H2 =>
C2H4(OH)2 + 2 Na = C2H4O2Na2 + H2

MgO + H2SO4 = Mg2(SO4)2 + H2O =>
2 MgO + 2 H2SO4 = Mg2(SO4)2 + 2 H2O

Fe + C7H5O3 = Fe5(C7H5O3) =>
5 Fe + C7H5O3 = Fe5(C7H5O3)

HNO2 + Ni(OH)2 = HOH + Ni(NO2)2 =>
2 HNO2 + Ni(OH)2 = 2 HOH + Ni(NO2)2

CH4 + CO = C3H8 + H2O =>
7 CH4 + 2 CO = 3 C3H8 + 2 H2O

C5H11OH + O2 = CO4 + H2O =>
2 C5H11OH + 25 O2 = 10 CO4 + 12 H2O

NaCl + Ba(OH)2 = NaOH + BaCl2 =>
2 NaCl + Ba(OH)2 = 2 NaOH + BaCl2

AgNO3 + NH4OH + NaOH = NaAg2O + H2O + NH4NO3 =>
16 AgNO3 + 18 NH4OH + 8 NaOH = 8 NaAg2O + 15 H2O + 17 NH4NO3

H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O

CrOH3 + NH3 = Cr + H2O + NH4 =>
CrOH3 + NH3 = Cr + H2O + NH4

CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O

NO3{-} + H{+} + e = NO2{-} + H2O =>
NO3{-} + 2 H{+} + 2e = NO2{-} + H2O

Li2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + LiNO3(aq) =>
Li2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 LiNO3(aq)

Pb2(SO4)3 + PbCl2 = PbSO4 + PbCl3 =>
Pb2(SO4)3 + 3 PbCl2 = 3 PbSO4 + 2 PbCl3

C6H10O5 + H2SO4 = H2S + H2O + CO2 =>
C6H10O5 + 3 H2SO4 = 3 H2S + 5 H2O + 6 CO2

NaSiF6(s) + Na(s) = Si(s) + NaF(s) =>
NaSiF6(s) + 5 Na(s) = Si(s) + 6 NaF(s)

SO2(g) + CaCO3(s) + O2(g) + H2O(l) = CaSO42H2O(s) + CO2(g) =>
2 SO2(g) + 2 CaCO3(s) + 39 O2(g) + 2 H2O(l) = 2 CaSO42H2O(s) + 2 CO2(g)

Mn{2+} + OH{-} + NO3{-} = MnO4{2-} + NO2{-} + H2O =>
Mn{2+} + 4 OH{-} + 2 NO3{-} = MnO4{2-} + 2 NO2{-} + 2 H2O

Cu2SFeS2 + O2 = CuO + Fe2O3 + SO2 =>
4 Cu2SFeS2 + 19 O2 = 8 CuO + 2 Fe2O3 + 12 SO2

CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl

Cu(C2H3O2)2 + KI = CuI + KC2H3O2 + I2 =>
2 Cu(C2H3O2)2 + 4 KI = 2 CuI + 4 KC2H3O2 + I2

H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O

C14H30O2 + O2 = CO2 + H2O =>
2 C14H30O2 + 41 O2 = 28 CO2 + 30 H2O

NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2

Ga2S3 + K = S + GaK3 =>
Ga2S3 + 6 K = 3 S + 2 GaK3

Mn(OH)2 + Br2 + KOH = KMnO4 + KBr + H2O =>
2 Mn(OH)2 + 5 Br2 + 12 KOH = 2 KMnO4 + 10 KBr + 8 H2O

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