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Équations chimiques équilibrées sur01/11/25

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FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + KHSO4 + MnS + H2O =>
26 FeSO4 + 2 KMnO4 + 17 H2SO4 = 13 Fe2(SO4)3 + 2 KHSO4 + 2 MnS + 16 H2O

CrCl3 + Na2SiO3 + H2O = NaCl + Cr(OH)3 + H2SiO3 =>
2 CrCl3 + 3 Na2SiO3 + 6 H2O = 6 NaCl + 2 Cr(OH)3 + 3 H2SiO3

NH3 + H2O2 = N2H4 + H2O =>
2 NH3 + H2O2 = N2H4 + 2 H2O

PBr5 = P3 + Br =>
3 PBr5 = P3 + 15 Br

C19H38O2 + O2 = CO2 + H2O =>
2 C19H38O2 + 55 O2 = 38 CO2 + 38 H2O

C3H6(g) + NO(g) = C3H3N(g) + H2O + N2(g) =>
4 C3H6(g) + 6 NO(g) = 4 C3H3N(g) + 6 H2O + N2(g)

C5H7O2N + H2O = CO2 + NH3 + H =>
C5H7O2N + 8 H2O = 5 CO2 + NH3 + 20 H

HSiO4 + KOH = KSiO4 + H2O =>
HSiO4 + KOH = KSiO4 + H2O

*FeCN3 + *H2SO4 = FeSO4 + H2CN3 =>
*FeCN3 + *H2SO4 = FeSO4 + H2CN3

C3OOH + NaOH = NaC3OO + H2O =>
C3OOH + NaOH = NaC3OO + H2O

Al2(SO4)3 + BaI2 = AlI3 + BaSO4 =>
Al2(SO4)3 + 3 BaI2 = 2 AlI3 + 3 BaSO4

K2S + H2CO3 = K2CO3 + H2S =>
K2S + H2CO3 = K2CO3 + H2S

HC12H26 + O2 = CO2 + H2O =>
4 HC12H26 + 75 O2 = 48 CO2 + 54 H2O

Pb + HNO3 = Pb(NO3)3 + N2O + H2O =>
8 Pb + 30 HNO3 = 8 Pb(NO3)3 + 3 N2O + 15 H2O

Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O

CO3 + H2O = CH2 + O3 =>
3 CO3 + 3 H2O = 3 CH2 + 4 O3

NaBH4 + (C6H5)2CO = (C6H5)2CHOH + NaB =>
NaBH4 + 2(C6H5)2CO = 2(C6H5)2CHOH + NaB

MgOHCl + HCl = MgCl2 + H2O =>
MgOHCl + HCl = MgCl2 + H2O

C6H14 + CCl4 = C6H13CCl2 + HCl2 =>
C6H14 + CCl4 = C6H13CCl2 + HCl2

KH2PO4 + K2CO3 = K2HPO4 + CO2 + H2O =>
2 KH2PO4 + K2CO3 = 2 K2HPO4 + CO2 + H2O

Ca(C3H5O3)2 + NaOH = Ca(OH)2 + NaC3H5O3 =>
Ca(C3H5O3)2 + 2 NaOH = Ca(OH)2 + 2 NaC3H5O3

NaOH + H2O = H2NaO + OH =>
NaOH + H2O = H2NaO + OH

Na2(CO3)(aq) + BaCl2(aq) = Na2(Cl)2(s) + Ba(CO3)(s) =>
Na2(CO3)(aq) + BaCl2(aq) = Na2(Cl)2(s) + Ba(CO3)(s)

C6H8O7 + CHNaO3 = H2O + CO2 + C6H7Na07 =>
19 C6H8O7 + 63 CHNaO3 = 76 H2O + 123 CO2 + 9 C6H7Na07

CO2(g) = C + O =>
CO2(g) = C + 2 O

Mg3N2 + H2O = Mg(OH)2(s) + NH3(aq) =>
Mg3N2 + 6 H2O = 3 Mg(OH)2(s) + 2 NH3(aq)

HNO3 = H2O + N02 + O2 =>
4 HNO3 = 2 H2O + 2 N02 + 5 O2

(C2H5)2O + C6H5COOH = C9H10O2 + H2O =>
(C2H5)2O + 2 C6H5COOH = 2 C9H10O2 + H2O

C6H12O6 + HCl = C18H13O5 + H2O + Cl2 =>
6 C6H12O6 + 6 HCl = 2 C18H13O5 + 26 H2O + 3 Cl2

Ca(HCO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O

C2H5OH + KMnO4 + H3OSO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
13 C2H5OH + 8 KMnO4 + 12 H3OSO4 = 13 CH3COOH + 8 MnSO4 + 4 K2SO4 + 31 H2O

I2O2 + H2O = HIO3 + I2 =>
5 I2O2 + 2 H2O = 4 HIO3 + 3 I2

Zn + MgBr2 = ZnBr + Mg =>
2 Zn + MgBr2 = 2 ZnBr + Mg

K + HNO3 = KNO3 + H2O + NO =>
3 K + 4 HNO3 = 3 KNO3 + 2 H2O + NO

Mg5 + Cu(NO3)2 = Cu + Mg(NO3)2 =>
Mg5 + 5 Cu(NO3)2 = 5 Cu + 5 Mg(NO3)2

NaOH + K2CO3 = Na2CO3 + KOH =>
2 NaOH + K2CO3 = Na2CO3 + 2 KOH

K2Cr2O7 + PbCl2 + HCl = CrCl3 + PbCl4 + KCl + H2O =>
K2Cr2O7 + 3 PbCl2 + 14 HCl = 2 CrCl3 + 3 PbCl4 + 2 KCl + 7 H2O

Co(NO3)2 + Na2HPO4 = NaNO3 + CoHPO4 =>
Co(NO3)2 + Na2HPO4 = 2 NaNO3 + CoHPO4

C6H8(l) + O2(g) = CO2(g) + H2O =>
C6H8(l) + 8 O2(g) = 6 CO2(g) + 4 H2O

NaOH + HCl = NaOH2Cl =>
NaOH + HCl = NaOH2Cl

Ni(OH)2 + NaOH = Na2[Ni(OH)4] =>
Ni(OH)2 + 2 NaOH = Na2[Ni(OH)4]

HSO + Hg(OH)2 = Hg(SO)2 + H2O =>
2 HSO + Hg(OH)2 = Hg(SO)2 + 2 H2O

BaSO4 + H2SO4 = BaH2S2O8 =>
BaSO4 + H2SO4 = BaH2S2O8

NH3(aq) + O2 = N2O(g) + H2O =>
2 NH3(aq) + 2 O2 = N2O(g) + 3 H2O

Na2S2O7 + HCl = NaCl + SO2Cl2 + H2O =>
Na2S2O7 + 6 HCl = 2 NaCl + 2 SO2Cl2 + 3 H2O

KNO3 + Sb2S3 = K + Sb + NO2 + SO2 =>
6 KNO3 + Sb2S3 = 6 K + 2 Sb + 6 NO2 + 3 SO2

CaCO3 + HOH = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 HOH = Ca(OH)2 + H2CO3

CaCO3 + NaOH = Ca(OH)2 + Na2CO3 =>
CaCO3 + 2 NaOH = Ca(OH)2 + Na2CO3

C6H5CHO + KMnO4 = C6H5COOH + C6H5COOK + MnO2 + H2O =>
3 C6H5CHO + 2 KMnO4 = C6H5COOH + 2 C6H5COOK + 2 MnO2 + H2O

Ag(NO3) + PbCl = AgCl + Pb(NO3) =>
Ag(NO3) + PbCl = AgCl + Pb(NO3)

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