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Équations chimiques équilibrées sur12/22/24

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CrOHSO4 + KClO + KOH = K2CrO4 + K2SO4 + KCl + H2O =>
2 CrOHSO4 + 3 KClO + 8 KOH = 2 K2CrO4 + 2 K2SO4 + 3 KCl + 5 H2O

Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3

C20H44 + O2 = CO2 + H2O =>
C20H44 + 31 O2 = 20 CO2 + 22 H2O

C2H4O2 = C2H2OH2O =>
C2H4O2 = C2H2OH2O

CH3COOH + PCl3 = CH3COOCl + H3P =>
3 CH3COOH + PCl3 = 3 CH3COOCl + H3P

FeCl3 + NaF = Na3FeF6 + NaCl =>
FeCl3 + 6 NaF = Na3FeF6 + 3 NaCl

C2H4O2 = C4H6O3H2O =>
2 C2H4O2 = C4H6O3H2O

H2SO4 + CaCO3 = CaSO4 + CO2 + H2O =>
H2SO4 + CaCO3 = CaSO4 + CO2 + H2O

K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + K2SO4

CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH =>
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH

C2H4O2 = C2H3O2H =>
C2H4O2 = C2H3O2H

Cl2 + ZnI2 = ZnCl2 + I2 =>
Cl2 + ZnI2 = ZnCl2 + I2

H3COH + KMnO4 + H2SO4 = H3COOH + MnSO4 + K2SO4 + H2O =>
5 H3COH + 2 KMnO4 + 3 H2SO4 = 5 H3COOH + 2 MnSO4 + K2SO4 + 3 H2O

PH3 + H2SO4 + KMnO4 = H3PO4 + K2SO4 + MnSO4 + H2O =>
5 PH3 + 12 H2SO4 + 8 KMnO4 = 5 H3PO4 + 4 K2SO4 + 8 MnSO4 + 12 H2O

CH3OH + CH3CH2COOH = H2O + CH3CH2COOCH4 =>
7 CH3OH + 3 CH3CH2COOH = 5 H2O + 4 CH3CH2COOCH4

CuO + HNO2 = Cu(NO2)2 + H2O =>
CuO + 2 HNO2 = Cu(NO2)2 + H2O

NaAl(OH)4 + H2S = Na2S + Al(OH)3 + H2O =>
2 NaAl(OH)4 + H2S = Na2S + 2 Al(OH)3 + 2 H2O

BrO3{-}(aq) + N2H4(g) = Br{-}(aq) + N2(g) + H2O =>
2 BrO3{-}(aq) + 3 N2H4(g) = 2 Br{-}(aq) + 3 N2(g) + 6 H2O

C2H4O2 = COH2 =>
C2H4O2 = 2 COH2

C2H4O2 = C3H6OCO2H2O =>
2 C2H4O2 = C3H6OCO2H2O

MoO2 + H2O = Mo(OH)4 =>
MoO2 + 2 H2O = Mo(OH)4

C6H5BrMg + CO2 = C7H5O2MgBr =>
C6H5BrMg + CO2 = C7H5O2MgBr

C4H10O(l) + O2(g) = CO2(g) + H2O =>
C4H10O(l) + 6 O2(g) = 4 CO2(g) + 5 H2O

(NH4)2CO3 + NaCl = NH4Cl + Na2CO3 =>
(NH4)2CO3 + 2 NaCl = 2 NH4Cl + Na2CO3

NaNO2 + NaI + HCl = NO + I2 + NaCl + H2O =>
2 NaNO2 + 2 NaI + 4 HCl = 2 NO + I2 + 4 NaCl + 2 H2O

Al2O3 + FeCl3 = Al2Cl3 + FeO3 =>
Al2O3 + FeCl3 = Al2Cl3 + FeO3

SO2 + Br2 = SBr4 + O2 =>
SO2 + 2 Br2 = SBr4 + O2

KCu(CN)2 + KCN = K2Cu(CN)3 =>
KCu(CN)2 + KCN = K2Cu(CN)3

Ba + HNO3 = Ba(NO3)3 + NO2 + H2O =>
Ba + 6 HNO3 = Ba(NO3)3 + 3 NO2 + 3 H2O

C17H25N + O2 = CO2 + H2O + N2 =>
4 C17H25N + 93 O2 = 68 CO2 + 50 H2O + 2 N2

NH4Y2F7 + Y2O3 = Y5O4F7 + H2O + NH3 =>
2 NH4Y2F7 + 3 Y2O3 = 2 Y5O4F7 + H2O + 2 NH3

Zn0 + HNO3 = Zn(NO3)2 + H2 =>
Zn0 + 2 HNO3 = Zn(NO3)2 + H2

HCl + (NH4)2SO4 = H2SO4 + NH4Cl =>
2 HCl + (NH4)2SO4 = H2SO4 + 2 NH4Cl

Na2SO3 + H2SO4 = Na2SO4 + H2O + S2O5 =>
Na2SO3 + 2 H2SO4 = Na2SO4 + 2 H2O + S2O5

Li2OH2O = LiOH = =>
Li2OH2O = 2 LiOH

Na3N + O2 = NaO + N2 =>
2 Na3N + 3 O2 = 6 NaO + N2

C14H10O2 + NaBH4 = C14H14O2 + Na + B =>
C14H10O2 + NaBH4 = C14H14O2 + Na + B

Co(NO3)2 + NH3 + FeCO3 + H2O2 = [Co(NH3)4CO3]NO3 + Fe(NO3)3 + H2O =>
Co(NO3)2 + 6 NH3 + FeCO3 + 9 H2O2 = [Co(NH3)4CO3]NO3 + Fe(NO3)3 + 12 H2O

C6H5OCH2 + O2 = CO2 + H2O =>
4 C6H5OCH2 + 33 O2 = 28 CO2 + 14 H2O

K(OH) + Fe(NO3)3 = Fe(OH)3 + K(NO3) =>
3 K(OH) + Fe(NO3)3 = Fe(OH)3 + 3 K(NO3)

NaF + Ag(NO3) = AgF + NaNO3 =>
NaF + Ag(NO3) = AgF + NaNO3

Pb(NO3)2(aq) + NiI2(aq) = PbI2(s) + Ni(NO3)2(aq) =>
Pb(NO3)2(aq) + NiI2(aq) = PbI2(s) + Ni(NO3)2(aq)

FeCl + (NH4)PO4 = FePO4 + NH4Cl =>
FeCl + (NH4)PO4 = FePO4 + NH4Cl

CaC2 + Na3PO4 = Ca3(PO4)2 + NaC =>
3 CaC2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaC

Fe2(SO4)3 + SO2 + H2O = Fe2SO4 + H2SO4 =>
Fe2(SO4)3 + 2 SO2 + 4 H2O = Fe2SO4 + 4 H2SO4

NH3 + AgNO3 = Ag(NH3)2 + NO3 =>
2 NH3 + AgNO3 = Ag(NH3)2 + NO3

HCl + SiO2 = SiCl4 + H2 + O2 =>
4 HCl + SiO2 = SiCl4 + 2 H2 + O2

CH3CHO + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
CH3CHO + 2 KMnO4 + 3 KOH = CH3COOK + 2 K2MnO4 + 2 H2O

CaSO3 + HCl = CaCl + SO2 + OH =>
CaSO3 + HCl = CaCl + SO2 + OH

PCl5(l) + H2O(l) = H3PO4(aq) + HCl(aq) =>
PCl5(l) + 4 H2O(l) = H3PO4(aq) + 5 HCl(aq)

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