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Équations chimiques équilibrées sur01/08/25

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Zn(OH)2 + Cl2 = ZnCl + H2O2 =>
2 Zn(OH)2 + Cl2 = 2 ZnCl + 2 H2O2

Ni(OH)2 + HCl = NiCl2 + H2O =>
Ni(OH)2 + 2 HCl = NiCl2 + 2 H2O

*3H2O2 + *2ZnS = *5ZnSO3 + *9H2O =>
30*3H2O2 + 15*2ZnS = 6*5ZnSO3 + 10*9H2O

MgBr2 + K2CO3 = Mg2(CO3)2 + KBr =>
2 MgBr2 + 2 K2CO3 = Mg2(CO3)2 + 4 KBr

AgNO3(aq) + Al(s) = AlNO3(aq) + Ag(s) =>
AgNO3(aq) + Al(s) = AlNO3(aq) + Ag(s)

H2CrO4(aq) + NaHSO3(aq) + H2SO4(aq) = Cr2(SO4)3(S) + Na2SO4(aq) + H2O(l) =>
2 H2CrO4(aq) + 6 NaHSO3(aq) + H2SO4(aq) = Cr2(SO4)3(S) + 3 Na2SO4(aq) + 6 H2O(l)

NH4OH + H3BO4 = NH4H2BO4 + H2O =>
NH4OH + H3BO4 = NH4H2BO4 + H2O

C8H8N2O4 + O2 = N2 + CO2 + H2O =>
C8H8N2O4 + 8 O2 = N2 + 8 CO2 + 4 H2O

AgNO3(aq) + NH4OH(aq) = Ag2O(s) + H2O(aq) + NH4(NO3)(aq) =>
2 AgNO3(aq) + 2 NH4OH(aq) = Ag2O(s) + H2O(aq) + 2 NH4(NO3)(aq)

C2H5NH2 + C2H5OH = (C2H5)2NH + H2O =>
C2H5NH2 + C2H5OH = (C2H5)2NH + H2O

Ca(NO3)2*2H2O + K2CO3 = KNO3 + CaCO3 + H2O =>
Ca(NO3)2*2H2O + K2CO3 = 2 KNO3 + CaCO3 + 2 H2O

H2S + H2SO4 = H2O + S =>
3 H2S + H2SO4 = 4 H2O + 4 S

Ba3(PO2S2)2 + H2SO4 = BaSO4 + H3PO2S2 =>
Ba3(PO2S2)2 + 3 H2SO4 = 3 BaSO4 + 2 H3PO2S2

FeS + H = Fe + SH =>
FeS + H = Fe + SH

Br2 + H2O2 = HOBr =>
Br2 + H2O2 = 2 HOBr

FeCl3 + NH4 = FeH4 + NCl3 =>
FeCl3 + NH4 = FeH4 + NCl3

MgO(s) + HCl(l) = MgCl2(s) + H2O(l) =>
MgO(s) + 2 HCl(l) = MgCl2(s) + H2O(l)

MnO2 + KClO3 + H2O = H2MnO4 + KCl =>
3 MnO2 + KClO3 + 3 H2O = 3 H2MnO4 + KCl

HCl(aq)(stomachacid) + CaCO3(s) = CaCl2(aq) + CO2(g) + H2O(l) =>
2 HCl(aq)(stomachacid) + CaCO3(s) = CaCl2(aq) + CO2(g) + H2O(l)

KMnO4 + H2SO4 + NaHSO3 = MnSO2 + K2SO4 + NaSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 6 NaHSO3 = 2 MnSO2 + K2SO4 + 6 NaSO4 + 6 H2O

V5 + HCl = VCl + H =>
V5 + 5 HCl = 5 VCl + 5 H

NaOH(aq) + HSO4(aq) = NaSO4(aq) + H2O(l) =>
NaOH(aq) + HSO4(aq) = NaSO4(aq) + H2O(l)

CH3CHCHCH3 + HCl = CH3CHClCH2CH3 =>
CH3CHCHCH3 + HCl = CH3CHClCH2CH3

C3H6C6H6 = C6H5C3H7 =>
C3H6C6H6 = C6H5C3H7

EDTA + Ca = EDTACa =>
EDTA + Ca = EDTACa

Si2H + O2 = Si02 + H2O =>
4 Si2H + O2 = 4 Si02 + 2 H2O

Mg(H2PO4)2 + KOH = Mg(OH)2 + KPO4 + H2 =>
Mg(H2PO4)2 + 2 KOH = Mg(OH)2 + 2 KPO4 + 2 H2

NH3(g) + O2(g) = NO2(g) + H2O(g) =>
4 NH3(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(g)

P2O3 + HNO3 = P2O5 + NO2 + H2O =>
P2O3 + 4 HNO3 = P2O5 + 4 NO2 + 2 H2O

K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B

C6H5COOHKOH = H2OKC6H5COO =>
C6H5COOHKOH = H2OKC6H5COO

Cr2O7{2-} + NO2{-} + H2O = Cr2O3 + NO3{-} + OH{-} =>
Cr2O7{2-} + 3 NO2{-} + H2O = Cr2O3 + 3 NO3{-} + 2 OH{-}

C6H4OHCOOH + CH3CH2CH2OH = C6H4OHCOOCH2CH2CH3 + H2O =>
C6H4OHCOOH + CH3CH2CH2OH = C6H4OHCOOCH2CH2CH3 + H2O

NH4NO33 = N2 + O2 + H2O =>
2 NH4NO33 = 2 N2 + 31 O2 + 4 H2O

Ca(ClO3)2 + Ca(CH3COO)2 = CaCO3 + Cl{-} + H2O + Ca{2+} + CO2 =>
4 Ca(ClO3)2 + 3 Ca(CH3COO)2 = 3 CaCO3 + 8 Cl{-} + 9 H2O + 4 Ca{2+} + 9 CO2

PbCIF = PbCI + F =>
PbCIF = PbCI + F

Hg + HCl + HClO3 = Hg2Cl2 + H2O =>
6 Hg + 5 HCl + HClO3 = 3 Hg2Cl2 + 3 H2O

C2 + OS = C2OS =>
C2 + OS = C2OS

Sn + ZnO = SnO + Zn =>
Sn + ZnO = SnO + Zn

KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O

CH3CH2OH + *HCl = CH3CH2Cl + H2O =>
CH3CH2OH + *HCl = CH3CH2Cl + H2O

Br2 + K2CrO2 + KOH = KBr + K2CrO4 + H2O =>
2 Br2 + K2CrO2 + 4 KOH = 4 KBr + K2CrO4 + 2 H2O

CoCl2 + NaOH + NaO3 = NaCl + Co2O3 + H2O =>
10 CoCl2 + 18 NaOH + 2 NaO3 = 20 NaCl + 5 Co2O3 + 9 H2O

NaCl(s) + HNO3(l) = HCl(l) + NaNO3(s) =>
NaCl(s) + HNO3(l) = HCl(l) + NaNO3(s)

K4Cl4 = KCl =>
K4Cl4 = 4 KCl

ZnCO3H2SO4 = ZnSO4CO2H2O =>
ZnCO3H2SO4 = ZnSO4CO2H2O

Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS] =>
Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS]

K2CrO4 + H2O2 = K2CrO8 + H2O =>
K2CrO4 + 4 H2O2 = K2CrO8 + 4 H2O

I2 + NaBr = NaBrI =>
I2 + 2 NaBr = 2 NaBrI

Mg2(s) + Zn2(SO4)(aq) = Zn2(s) + Mg2(SO4)(aq) =>
Mg2(s) + Zn2(SO4)(aq) = Zn2(s) + Mg2(SO4)(aq)

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