| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + K2CO3 = 2 KFeO2 + CO2
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
Cs2S = Cs2 + S =>
Cs2S = Cs2 + S
Na + H3PO4 = Na3PO4 + H =>
3 Na + H3PO4 = Na3PO4 + 3 H
NH3(g) + CO2(g) = (NH2)2CO(aq) + H2O(l) =>
2 NH3(g) + CO2(g) = (NH2)2CO(aq) + H2O(l)
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na2[Pb(OH)4] =>
2 Na3[Cr(OH)6] + 4 NaOH + 3 PbO2 = 2 Na2CrO4 + 2 H2O + 3 Na2[Pb(OH)4]
C7H8 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
C7H8 + 6 KMnO4 + 7 KOH = C6H5COOK + 6 K2MnO4 + 5 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
NaNO33 = O2 + NaNO2 =>
2 NaNO33 = 31 O2 + 2 NaNO2
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
CO2 + H2O + SO2 = C6H6S + O2 =>
12 CO2 + 6 H2O + 2 SO2 = 2 C6H6S + 17 O2
Cl2O7 + H2 = Cl2O5 + H2O =>
Cl2O7 + 2 H2 = Cl2O5 + 2 H2O
C2H3CI3 + O2 = CO + H2O + CI2 =>
2 C2H3CI3 + 3 O2 = 3 CO + 3 H2O + 3 CI2
HCHO + Cr2O72{-} + H{+} = HCOOH + Cr3{+} + H2O =>
427 HCHO + 6 Cr2O72{-} + 10 H{+} = 427 HCOOH + 4 Cr3{+} + 5 H2O
Sb + Cl = SbCl3 =>
Sb + 3 Cl = SbCl3
H2O + I2 = HI + HOI =>
H2O + I2 = HI + HOI
Ar + O2 = ArO2 =>
Ar + O2 = ArO2
Y2O3 + NH4HF2 = YF3 + NH3 + H2O =>
Y2O3 + 3 NH4HF2 = 2 YF3 + 3 NH3 + 3 H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
HI + CaO = CaI + HO =>
HI + CaO = CaI + HO
Zn + NaNO3 + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
4 Zn + NaNO3 + 7 NaOH + 6 H2O = 4 Na2[Zn(OH)4] + NH3
Ba(OH)2 + H2O = BaO2H3 + OH =>
Ba(OH)2 + H2O = BaO2H3 + OH
H2CO + K2Cr2O7 + H2SO4 = H2CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 H2CO + K2Cr2O7 + 4 H2SO4 = 3 H2CO2 + Cr2(SO4)3 + K2SO4 + 4 H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
LiOH + H2O2 = LiOOH + H2O =>
LiOH + H2O2 = LiOOH + H2O
Al + CuSO4*5H2O = Cu + Al(SO4)3 + H2O =>
Al + 3 CuSO4*5H2O = 3 Cu + Al(SO4)3 + 15 H2O
Na2(SO4) + Sr(OH)2 = NaOH + Sr(SO4) =>
Na2(SO4) + Sr(OH)2 = 2 NaOH + Sr(SO4)
BaCl2 + (NH4)2C2O4 = BaC2O4 + NH4Cl =>
BaCl2 + (NH4)2C2O4 = BaC2O4 + 2 NH4Cl
Ag + CaI2 = AgI + Ca =>
2 Ag + CaI2 = 2 AgI + Ca
C3H5N3O9 = CO2 + N2 + NO + H2O =>
4 C3H5N3O9 = 12 CO2 + 5 N2 + 2 NO + 10 H2O
Co + Ni{2+} = Co{2+} + Ni =>
Co + Ni{2+} = Co{2+} + Ni
Fe(SO4) + HCl = H2(SO4) + FeCl2 =>
Fe(SO4) + 2 HCl = H2(SO4) + FeCl2
FeCO3 + HNO3 = Fe(NO3)3 + NO + CO2 + H2O =>
3 FeCO3 + 10 HNO3 = 3 Fe(NO3)3 + NO + 3 CO2 + 5 H2O
V2O5 + NaOH = Na3VO4 + H2O =>
V2O5 + 6 NaOH = 2 Na3VO4 + 3 H2O
Fe2(SO3)3 + KMnO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + MnSO4 + H2O =>
5 Fe2(SO3)3 + 6 KMnO4 + 9 H2SO4 = 3 K2SO4 + 5 Fe2(SO4)3 + 6 MnSO4 + 9 H2O
Fe(OH)2 + HBr = FeBr2 + H2O =>
Fe(OH)2 + 2 HBr = FeBr2 + 2 H2O
Ca + Mg2{+} = Ca2{+} + Mg =>
2 Ca + Mg2{+} = Ca2{+} + 2 Mg
Na2CO3 + H2S = NaHCO3 + NaHS =>
Na2CO3 + H2S = NaHCO3 + NaHS
O3 + CrCl3 + KOH = K2Cr2O7 + KCl + H2O =>
O3 + 2 CrCl3 + 8 KOH = K2Cr2O7 + 6 KCl + 4 H2O
CH3COONa + HCl = NaCl + HCH3COO =>
CH3COONa + HCl = NaCl + HCH3COO
CaBr2 + NaOH = NaBr + Ca(OH)2 =>
CaBr2 + 2 NaOH = 2 NaBr + Ca(OH)2
Cr{+} + H2O2 + OH{-} = CrO4{-}2 + H2O =>
Cr{+} + 3 H2O2 + 2 OH{-} = CrO4{-}2 + 4 H2O
HCl + Al2(CO3)3 = H(CO3)3 + Al2Cl =>
HCl + Al2(CO3)3 = H(CO3)3 + Al2Cl
C6H5CHO + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
5 C6H5CHO + 2 KMnO4 + 3 H2SO4 = 5 C6H5COOH + 3 H2O + K2SO4 + 2 MnSO4
MnO4 + Cl = Mn + ClO =>
MnO4 + 4 Cl = Mn + 4 ClO
NaCl + K2Cr2O7 + H2SO4 = CrCl2O2 + K2SO4 + Na2SO4 + H2O =>
4 NaCl + K2Cr2O7 + 3 H2SO4 = 2 CrCl2O2 + K2SO4 + 2 Na2SO4 + 3 H2O
As2O3 + H2O = H[As(OH)4] =>
As2O3 + 5 H2O = 2 H[As(OH)4]
Ga + Br2 = GaBr3 =>
2 Ga + 3 Br2 = 2 GaBr3
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
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Équations équilibrées sur10/22/24
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