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Équations chimiques équilibrées sur04/25/25

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Cr + C = CrC =>
Cr + C = CrC

Na2PbO2 + H2O = Pb(OH)2 + NaOH =>
Na2PbO2 + 2 H2O = Pb(OH)2 + 2 NaOH

Mg(OH)2NaOH = MgOHNa(OH)2 =>
Mg(OH)2NaOH = MgOHNa(OH)2

CaOH + C8H404 = H2O + Ca + C8H4O4 =>
408 CaOH + C8H404 = 404 H2O + 408 Ca + C8H4O4

HCl + BaNo3 = HNo3 + BaCl =>
HCl + BaNo3 = HNo3 + BaCl

HNO3 + K = KNO3 + NH4NO3 + H2O =>
10 HNO3 + 8 K = 8 KNO3 + NH4NO3 + 3 H2O

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4

CaSO4 + NaOH = Na2SO4 + Ca(OH)2* =>
CaSO4 + 2 NaOH = Na2SO4 + Ca(OH)2*

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

Ag2O + NH3 + NH4Cl = [Ag(NH3)2]Cl + H2O =>
Ag2O + 2 NH3 + 2 NH4Cl = 2[Ag(NH3)2]Cl + H2O

H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

Al + Cl{2} = AlCl{2} =>
Al + Cl{2} = AlCl{2}

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

Hg + H{+} + NO3{-} = Hg{2+} + NO + H2O =>
3 Hg + 8 H{+} + 2 NO3{-} = 3 Hg{2+} + 2 NO + 4 H2O

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = 3 FeO + CO2

Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2

Na2HPO4 + Zn(NO3)2 = ZnHPO4 + Na2(NO3)2 =>
Na2HPO4 + Zn(NO3)2 = ZnHPO4 + Na2(NO3)2

K2Cr2O7 + KOH = H2O + K2CrO4 =>
K2Cr2O7 + 2 KOH = H2O + 2 K2CrO4

NaNO2 + Na2S + H2SO4 = Na2SO4 + NO + H2O =>
8 NaNO2 + Na2S + 4 H2SO4 = 5 Na2SO4 + 8 NO + 4 H2O

H2O2 + NH4HCO3 = NH4CO3 + H2O =>
H2O2 + 2 NH4HCO3 = 2 NH4CO3 + 2 H2O

Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

CoCl2 + NaNO2 + CH3COOH = Na3[Co(NO2)6] + HCl + H2O + NO + CH3COONa =>
CoCl2 + 7 NaNO2 + 4 CH3COOH = Na3[Co(NO2)6] + 2 HCl + H2O + NO + 4 CH3COONa

KNO3 + H2SO4 = HNO3 + KHSO4 =>
KNO3 + H2SO4 = HNO3 + KHSO4

AgOH + Mg2(NO3)2 = Ag(NO3)2 + Mg2OH =>
AgOH + Mg2(NO3)2 = Ag(NO3)2 + Mg2OH

HNO3 + CaCO3 = CO2 + HNO4 + Ca =>
HNO3 + CaCO3 = CO2 + HNO4 + Ca

KOH = K2 + H + O =>
2 KOH = K2 + 2 H + 2 O

MgCl2 + HF = MgF2 + HCl =>
MgCl2 + 2 HF = MgF2 + 2 HCl

NH4 + H2SO4 = (NH4)SO4 + H2 =>
NH4 + H2SO4 = (NH4)SO4 + H2

NaCl + K2SO3 = KCl + Na2SO3 =>
2 NaCl + K2SO3 = 2 KCl + Na2SO3

C7H6O2 + O2 = CO2 + H3O =>
C7H6O2 + 7 O2 = 7 CO2 + 2 H3O

Al + K2Cr2O7 + H2O = Al2O3 + KOH + Cr(OH)3 =>
2 Al + K2Cr2O7 + 4 H2O = Al2O3 + 2 KOH + 2 Cr(OH)3

OF2 + Fe(CrO2)2 + KOH = K2CrO4 + K2FeO4 + KF + H2O =>
5 OF2 + 2 Fe(CrO2)2 + 22 KOH = 4 K2CrO4 + 2 K2FeO4 + 10 KF + 11 H2O

Fe(oh)2 + H2O2 = Fe(OH)3 =>
Fe(oh)2 + 3 H2O2 = 2 Fe(OH)3

hydrogensulfide + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O

S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O

H1 = H =>
H1 = H

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

MgSO4 + H2SO4 = Mg(HSO4)2 =>
MgSO4 + H2SO4 = Mg(HSO4)2

Cr2(CO3)3 + Ca(OH)2 = Cr(OH)3 + CaCO3 =>
Cr2(CO3)3 + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 CaCO3

HPO3 + Fe = Fe(PO3)3 + H2 =>
6 HPO3 + 2 Fe = 2 Fe(PO3)3 + 3 H2

C9H10O2 + HNO3 = C9H9NO4 + H2O =>
C9H10O2 + HNO3 = C9H9NO4 + H2O

C4H8Cl2Zn = C4H8ZnCl2 =>
C4H8Cl2Zn = C4H8ZnCl2

C9H10O2 + HNO3 = C9H9NO4 + H2O =>
C9H10O2 + HNO3 = C9H9NO4 + H2O

Na3PO4 + CaCl2 = Na3Cl2 + Ca(PO4) =>
Na3PO4 + CaCl2 = Na3Cl2 + Ca(PO4)

Zn + H3PO4 = Zn3(PO4) + H2 =>
6 Zn + 2 H3PO4 = 2 Zn3(PO4) + 3 H2

C9H10O2 + HNO3 = C9H9NO4 + H2O =>
C9H10O2 + HNO3 = C9H9NO4 + H2O

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