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Équations chimiques équilibrées sur07/15/25

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ClO4{-} + Br{-} + H{+} = ClO{-} + Br2 + H2O =>
ClO4{-} + 6 Br{-} + 6 H{+} = ClO{-} + 3 Br2 + 3 H2O

MgCl2 + H2O = Mg(OH)Cl + HCl =>
MgCl2 + H2O = Mg(OH)Cl + HCl

HCO2H + H2O2 = HCO2OH + H2O =>
HCO2H + H2O2 = HCO2OH + H2O

Fe + H2SO4 + H2O = FeSO4(H2O)7 + H2 =>
Fe + H2SO4 + 7 H2O = FeSO4(H2O)7 + H2

Se + HNO3 = H2O + N2O4 + SeO2 =>
Se + 4 HNO3 = 2 H2O + 2 N2O4 + SeO2

NH4 + O + CH4 = HCN + H2O =>
2 NH4 + 7 O + 2 CH4 = 2 HCN + 7 H2O

Br2 + SnCl2 + NaOH = Na2SnO4 + NaBr + NaCl + H2O =>
2 Br2 + SnCl2 + 8 NaOH = Na2SnO4 + 4 NaBr + 2 NaCl + 4 H2O

TiF4 + NH3 + H2O = TiO(OH)2 + NH4F =>
TiF4 + 4 NH3 + 3 H2O = TiO(OH)2 + 4 NH4F

FeS2 + CaCl2 = FeCa + S2Cl2 =>
FeS2 + CaCl2 = FeCa + S2Cl2

Mg + NaOH = Mg(NaOH) =>
Mg + NaOH = Mg(NaOH)

IO3 + OH = IO6 + H2O =>
IO3 + 6 OH = IO6 + 3 H2O

PbS + H{+} + NO3{-} = Pb{2+} + SO4{2-} + NO2 + H2O =>
PbS + 8 H{+} + 8 NO3{-} = Pb{2+} + SO4{2-} + 8 NO2 + 4 H2O

(CH2)6N4 + H2O = NH3 + CH2O =>
(CH2)6N4 + 6 H2O = 4 NH3 + 6 CH2O

Na2 + O2 = Na2O =>
2 Na2 + O2 = 2 Na2O

NH4OH + CuSO4 = Cu(NH4OH)4 + SO4 =>
4 NH4OH + CuSO4 = Cu(NH4OH)4 + SO4

C6H4(OH)COOH + C4H6O3 = C9H8O4 =>
11 C6H4(OH)COOH + C4H6O3 = 9 C9H8O4

Fe(ClO3)3(s) = FeCl3(s) + O2(g) =>
2 Fe(ClO3)3(s) = 2 FeCl3(s) + 9 O2(g)

HClO + Na3PO4 = NaClO + H3PO4 =>
3 HClO + Na3PO4 = 3 NaClO + H3PO4

K2Cr2O7 + Na2C2O4 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O + Na2SO4 =>
K2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O + 3 Na2SO4

CS2 = C4 + S6 =>
12 CS2 = 3 C4 + 4 S6

Pb(NO3)2 + NH3 = NO3 + Pb(NH3)2 =>
Pb(NO3)2 + 2 NH3 = 2 NO3 + Pb(NH3)2

KOH + SrCl2 = KCl + OH + Sr =>
2 KOH + SrCl2 = 2 KCl + 2 OH + Sr

C6H5NO2 + Ti + HCl = C6H5NH2 + TiCl4 + H2O =>
2 C6H5NO2 + 3 Ti + 12 HCl = 2 C6H5NH2 + 3 TiCl4 + 4 H2O

Al(s) + O(g) = OAl(s) =>
Al(s) + O(g) = OAl(s)

H2O(l) = H2(s) + O2(g) =>
2 H2O(l) = 2 H2(s) + O2(g)

HNO2 + SbO{+} + OH{-} = NO + Sb2O5 + H2O =>
4 HNO2 + 2 SbO{+} + 2 OH{-} = 4 NO + Sb2O5 + 3 H2O

CH2OHCH2OH + HNO3 = CH2ONO2CH2ONO2 + H2O =>
CH2OHCH2OH + 2 HNO3 = CH2ONO2CH2ONO2 + 2 H2O

CH3CH2COOH + C3H8 = H2O + CH3COOC3H7 =>
11 CH3CH2COOH + 4 C3H8 = 4 H2O + 9 CH3COOC3H7

H2O + P4 = H2PO4 + H =>
16 H2O + P4 = 4 H2PO4 + 24 H

HCH2CHCO2 + OH({-}) = CH2CHCO2({-}) + H2O =>
HCH2CHCO2 + OH({-}) = CH2CHCO2({-}) + H2O

CaO + HCl = Ca1Cl2 + H2O =>
CaO + 2 HCl = Ca1Cl2 + H2O

Mg + HBr = Mg(Br)2 + H2 =>
Mg + 2 HBr = Mg(Br)2 + H2

Cu + Cl2 = Cu3Cl =>
6 Cu + Cl2 = 2 Cu3Cl

HBr + AgCl = AgBr + HCl =>
HBr + AgCl = AgBr + HCl

FeCO3 + CuCl = FeCu + CO3Cl =>
FeCO3 + CuCl = FeCu + CO3Cl

C5H5NHNO3 = C5H6NNO3 =>
C5H5NHNO3 = C5H6NNO3

CD + NO3 = CD(NO3)2 =>
CD + 2 NO3 = CD(NO3)2

KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4

C4H6O4 + NO3{-} + H{+} = N2O + CO2 + H2O =>
4 C4H6O4 + 14 NO3{-} + 14 H{+} = 7 N2O + 16 CO2 + 19 H2O

RbClO3 + Fe2O3 = Rb2O + Fe(ClO3)3 =>
6 RbClO3 + Fe2O3 = 3 Rb2O + 2 Fe(ClO3)3

C22H25ClN2O9 + NaOH + H2O = C22H28N2O11 + NaCl =>
C22H25ClN2O9 + NaOH + H2O = C22H28N2O11 + NaCl

AIBr3(aq) + Mg(OH)2(aq) = AI(OH)3(aq) + MgBr2(aq) =>
2 AIBr3(aq) + 3 Mg(OH)2(aq) = 2 AI(OH)3(aq) + 3 MgBr2(aq)

SO2 + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3H2O =>
3 SO2 + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3H2O

P2O5 + Al(OH)3 = Al3(PO4)3 + H2O =>
3 P2O5 + 6 Al(OH)3 = 2 Al3(PO4)3 + 9 H2O

Fe{2+}(aq) + Cu(s) = Cu{2+}(aq) + Fe(s) =>
Fe{2+}(aq) + Cu(s) = Cu{2+}(aq) + Fe(s)

NaBr + Na2S = Na + SBr =>
NaBr + Na2S = 3 Na + SBr

Fe(NO3)3 + Mg = Mg(NO3) + Fe3 =>
3 Fe(NO3)3 + 9 Mg = 9 Mg(NO3) + Fe3

CH3COOH = CH3COO{-} + H{+} =>
CH3COOH = CH3COO{-} + H{+}

H2S + Br2 = HBr + S =>
H2S + Br2 = 2 HBr + S

C2H5OH + VO2{+} + H{+} = CO2 + H2O + VO{2+} =>
C2H5OH + 12 VO2{+} + 12 H{+} = 2 CO2 + 9 H2O + 12 VO{2+}

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