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Équations chimiques équilibrées sur04/20/25

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KHSO4 + KHO = K2SO4 + H2O =>
KHSO4 + KHO = K2SO4 + H2O

CH3CHO + H2O = CH3COOH + CH3CH2OH =>
2 CH3CHO + H2O = CH3COOH + CH3CH2OH

[Co(CH3COO)2(H2O)4] + KCN = K3[Co(CN)6] + H2 + KOH + H2O + CH3COOK =>
2[Co(CH3COO)2(H2O)4] + 12 KCN = 2 K3[Co(CN)6] + H2 + 2 KOH + 6 H2O + 4 CH3COOK

NH3(g) + HBr(g) = NH4Br(s) =>
NH3(g) + HBr(g) = NH4Br(s)

Fe{+} + Sn4{+} = Fe3{+} + Sn2{+} =>
3 Fe{+} + 2 Sn4{+} = Fe3{+} + 4 Sn2{+}

NI(OH)3 + HMnO4 = NI(MnO4)3 + H2O =>
NI(OH)3 + 3 HMnO4 = NI(MnO4)3 + 3 H2O

C7H12 + KMnO4 + H2SO4 = C7H12O4 + MnSO4 + K2SO4 + H2O =>
5 C7H12 + 8 KMnO4 + 12 H2SO4 = 5 C7H12O4 + 8 MnSO4 + 4 K2SO4 + 12 H2O

Zn + Cu2(SO4)3 = ZnSO4 + Cu =>
3 Zn + Cu2(SO4)3 = 3 ZnSO4 + 2 Cu

Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O

C2H5OH + MnO4{-} = MnO2 + CH3COO{-} + OH{-} + H2O =>
3 C2H5OH + 4 MnO4{-} = 4 MnO2 + 3 CH3COO{-} + OH{-} + 4 H2O

Na + H2S = Na(H2S) =>
Na + H2S = Na(H2S)

AgNO3(aqueous) + NaCl(aqueous) = AgCl(whiteprecipitate) + NaNO3(aqueous) =>
AgNO3(aqueous) + NaCl(aqueous) = AgCl(whiteprecipitate) + NaNO3(aqueous)

MnO4{-} + HS{-} + H2O = SO4{-2} + OH{-} + MnO2 =>
8 MnO4{-} + 3 HS{-} + H2O = 3 SO4{-2} + 5 OH{-} + 8 MnO2

C3H5OH = C3H4 + H2O =>
C3H5OH = C3H4 + H2O

KJ + K2Cr2O7 + H2SO4 = J2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KJ + K2Cr2O7 + 7 H2SO4 = 3 J2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O

K2CrO7 + KNO2 + KOH + H2O = K3[Cr(OH)6] + KNO3 =>
2 K2CrO7 + 9 KNO2 + 2 KOH + 5 H2O = 2 K3[Cr(OH)6] + 9 KNO3

CaCl + KHCO3 = CaCO3 + KCl + H2 =>
2 CaCl + 2 KHCO3 = 2 CaCO3 + 2 KCl + H2

KMnO4(ac) + HCl(ac) + SnCl2(ac) = SnCl4(g) + KCl(ac) + MnCl2(ac) + H2O(l) =>
2 KMnO4(ac) + 16 HCl(ac) + 5 SnCl2(ac) = 5 SnCl4(g) + 2 KCl(ac) + 2 MnCl2(ac) + 8 H2O(l)

CuO + CH3COOH + H2O = Cu(CH3OO)2 =>
CuO + CH3COOH + H2O = Cu(CH3OO)2

FeSO4*7H2O + H2C2O4*2H2O = FeC2O4*2H2O + H2SO4 + H2O =>
FeSO4*7H2O + H2C2O4*2H2O = FeC2O4*2H2O + H2SO4 + 7 H2O

PbO2 + HCl = Pb + Cl2 + H2O =>
PbO2 + 4 HCl = Pb + 2 Cl2 + 2 H2O

Fe + H2SO4 = Fe3(SO4)3 + H2 =>
3 Fe + 3 H2SO4 = Fe3(SO4)3 + 3 H2

NiCl2(aq) + Na2CO3(aq) = NiCO3(s) + NaCl =>
NiCl2(aq) + Na2CO3(aq) = NiCO3(s) + 2 NaCl

Fe3O4 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + 10 H2O + SO2

Na3PO4 + Ca = Ca3(PO4)2 + Na =>
2 Na3PO4 + 3 Ca = Ca3(PO4)2 + 6 Na

NO + HCl = NCl + HO =>
NO + HCl = NCl + HO

Cl2 + NaOH = NaCl + OCl + H2O =>
3 Cl2 + 4 NaOH = 4 NaCl + 2 OCl + 2 H2O

SrCl2 + Na2CO3 = SrCO3 + Na2Cl2 =>
SrCl2 + Na2CO3 = SrCO3 + Na2Cl2

Ca + CrCO3 = CaCO3 + Cr =>
Ca + CrCO3 = CaCO3 + Cr

Mg + Fe(SO3)2 = Fe + Mg(SO3)2 =>
Mg + Fe(SO3)2 = Fe + Mg(SO3)2

Na2SO4 + CaCO3 + C = Na2CO3 + CaS + CO2 =>
Na2SO4 + CaCO3 + 2 C = Na2CO3 + CaS + 2 CO2

K2CO3 + MgCl2 = MgCO3 + KCl =>
K2CO3 + MgCl2 = MgCO3 + 2 KCl

CH3NO2 + Zn + H2SO4 = (CH3NH3)2SO4 + ZnSO4 + H2O =>
2 CH3NO2 + 6 Zn + 7 H2SO4 = (CH3NH3)2SO4 + 6 ZnSO4 + 4 H2O

zinc + Cu(NO3)2 = Cu + ZnNO3 =>
2 Zn + Cu(NO3)2 = Cu + 2 ZnNO3

(CH3)3Al + H2O = (CH3)2AlOH + CH4 =>
(CH3)3Al + H2O = (CH3)2AlOH + CH4

K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO

K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O

Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2

S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S

C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O

H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4

H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O

Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS

KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2

Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O

Na + Cr(NO3)2 = Cr + NaNO3 =>
2 Na + Cr(NO3)2 = Cr + 2 NaNO3

Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O

C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O

C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O

SO2 + H2S = H2O + S8 =>
8 SO2 + 16 H2S = 16 H2O + 3 S8

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