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Équations chimiques équilibrées sur04/24/25

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Cr + H2O = Cr(OH)3 + H2 =>
2 Cr + 6 H2O = 2 Cr(OH)3 + 3 H2

CH3Br + CH3OH = CH3CH3O + HBr =>
CH3Br + CH3OH = CH3CH3O + HBr

Be(NO3)2 + CH3COOH = Be(CH3COO)2 + HNO3 =>
Be(NO3)2 + 2 CH3COOH = Be(CH3COO)2 + 2 HNO3

Bi(OH)2 + HCl = H2O + BiCl2 =>
Bi(OH)2 + 2 HCl = 2 H2O + BiCl2

Cr(OH)3 + KOH = CrKO2 + H2O =>
Cr(OH)3 + KOH = CrKO2 + 2 H2O

Na2SO4 + ClBa = Ba2SO4 + NaCl =>
Na2SO4 + 2 ClBa = Ba2SO4 + 2 NaCl

AlF3 + PbCl2 = PbF2 + AlCl3 =>
2 AlF3 + 3 PbCl2 = 3 PbF2 + 2 AlCl3

PbI2 + HNO3 = NO2 + I2 + Pb(NO3)2 + H2O =>
PbI2 + 4 HNO3 = 2 NO2 + I2 + Pb(NO3)2 + 2 H2O

NaOH + H2SO4 = NaSO4H + H2O =>
NaOH + H2SO4 = NaSO4H + H2O

NaClO3 + S = NaCl + SO2 =>
2 NaClO3 + 3 S = 2 NaCl + 3 SO2

UO3*H2O + H2SO4 = UO2SO4 + H2O =>
UO3*H2O + H2SO4 = UO2SO4 + 2 H2O

CH3COOH + Ba(OH)2 = H2O + BaCO =>
CH3COOH + 2 Ba(OH)2 = 4 H2O + 2 BaCO

C5H7OH + O2 = CO2 + H2O =>
2 C5H7OH + 13 O2 = 10 CO2 + 8 H2O

HgCl2 + S = Hg2S2 + Cl2 =>
2 HgCl2 + 2 S = Hg2S2 + 2 Cl2

CuCO3 + H3PO4 = Cu3(PO4)2 + H2CO3 =>
3 CuCO3 + 2 H3PO4 = Cu3(PO4)2 + 3 H2CO3

NaCl + RuO2 = Na2RuO3 + RuCl4 =>
4 NaCl + 3 RuO2 = 2 Na2RuO3 + RuCl4

Ga2O3 + H2 = Ga2 + H2O =>
Ga2O3 + 3 H2 = Ga2 + 3 H2O

H2S + Na2CrO4 = Na2S + Cr2S3 + S8 + H2O =>
64 H2S + 16 Na2CrO4 = 16 Na2S + 8 Cr2S3 + 3 S8 + 64 H2O

HCl + NaHCO3 = H2O + CO2NaCl =>
HCl + NaHCO3 = H2O + CO2NaCl

CH3CH2Br + KOH = CH3CH2OH + KBr =>
CH3CH2Br + KOH = CH3CH2OH + KBr

C4H6 + Br = C4H6Br4 =>
C4H6 + 4 Br = C4H6Br4

CuH3 + O = Cu + H2O =>
2 CuH3 + 3 O = 2 Cu + 3 H2O

CH4(g) + S8 = CS2 + H2S(g) =>
2 CH4(g) + S8 = 2 CS2 + 4 H2S(g)

POBr3(s) + Mg(s) = PO(s) + MgBr2(s) =>
2 POBr3(s) + 3 Mg(s) = 2 PO(s) + 3 MgBr2(s)

H2O + CH3COOLi = LiOH + CH3COOH =>
H2O + CH3COOLi = LiOH + CH3COOH

Pb(NO3)2 + AgCH3COO = Pb(CH3COO)2 + AgNO3 =>
Pb(NO3)2 + 2 AgCH3COO = Pb(CH3COO)2 + 2 AgNO3

NH3 + HOCl = Cl3N + H2O =>
NH3 + 3 HOCl = Cl3N + 3 H2O

Fe2O3 + CuI2 = FeI3 + CuO =>
Fe2O3 + 3 CuI2 = 2 FeI3 + 3 CuO

Bi(OH)2 + HCl = H2O + BiCl2 =>
Bi(OH)2 + 2 HCl = 2 H2O + BiCl2

CH3CH(OH)COOH + KMnO4 = CH3CH(OH)COOK + MnO4 + H2 =>
2 CH3CH(OH)COOH + 2 KMnO4 = 2 CH3CH(OH)COOK + 2 MnO4 + H2

Na3Co(NO2)6 + KCl = K3Co(NO2)6 + NaCl =>
Na3Co(NO2)6 + 3 KCl = K3Co(NO2)6 + 3 NaCl

AgCH3COO + NaCl = AgCl + NaCH3COO =>
AgCH3COO + NaCl = AgCl + NaCH3COO

NH4SO4 + C = NH3 + H2O + SO2 + CO2 =>
4 NH4SO4 + 3 C = 4 NH3 + 2 H2O + 4 SO2 + 3 CO2

Al + FeSO4 = Al2(SO4)3 + Fe =>
2 Al + 3 FeSO4 = Al2(SO4)3 + 3 Fe

H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl

CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl

MnSO4 + NaOH + Br2 + H2O = NaMnO4 + Na2SO4 + HBr =>
2 MnSO4 + 6 NaOH + 5 Br2 + 2 H2O = 2 NaMnO4 + 2 Na2SO4 + 10 HBr

C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O

NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4

FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl

C6H12O6 + Ag2O = C6H12O6O + Ag =>
C6H12O6 + Ag2O = C6H12O6O + 2 Ag

C6H5C2H5 + KMnO4 + H2SO4 = H2O + MnSO4 + K2CO3 + C6H5COOH =>
20 C6H5C2H5 + 54 KMnO4 + 54 H2SO4 = 97 H2O + 54 MnSO4 + 27 K2CO3 + 19 C6H5COOH

(H2O2)(aq) + Mn4O2 = H2O + MnO2 =>
6(H2O2)(aq) + Mn4O2 = 6 H2O + 4 MnO2

K2Cr2O7 + NH4OH = Cr2O3 + N2 + KOH + H2O =>
K2Cr2O7 + 2 NH4OH = Cr2O3 + N2 + 2 KOH + 4 H2O

KHCO3 + Ba(OH)2 = BaCO3 + KOH + H2O =>
KHCO3 + Ba(OH)2 = BaCO3 + KOH + H2O

Fe(OH)2 + CaO = Ca(OH)2 + FeO =>
Fe(OH)2 + CaO = Ca(OH)2 + FeO

Fe(OH)2(s) + MnO4{-}(aq) + H2O(l) = MnO2(s) + Fe(OH)3(s) + OH{-}(aq) =>
3 Fe(OH)2(s) + MnO4{-}(aq) + 2 H2O(l) = MnO2(s) + 3 Fe(OH)3(s) + OH{-}(aq)

Ti2O3 + HCl = TiCl3 + H2O =>
Ti2O3 + 6 HCl = 2 TiCl3 + 3 H2O

Bi(OH)2 + HCl = H2O + BiCl2 =>
Bi(OH)2 + 2 HCl = 2 H2O + BiCl2

MnCl2 + KOCl + KOH = MnO2 + KCl + HCl =>
MnCl2 + KOCl + KOH = MnO2 + 2 KCl + HCl

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