| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2(Cr2O7) + 3 H2S + 8 HCl = 2 CrCl3 + 3 S + 2 KCl + 7 H2O
MnO4{-} + SO2 + H2O = Mn{+2} + SO4{-2} + H{+} =>
2 MnO4{-} + 5 SO2 + 2 H2O = 2 Mn{+2} + 5 SO4{-2} + 4 H{+}
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
UF6 + H2O = UF2O2 + HF =>
UF6 + 2 H2O = UF2O2 + 4 HF
AgCl(s) + NH4OH(aq) = AgOH + NH4Cl =>
AgCl(s) + NH4OH(aq) = AgOH + NH4Cl
S2O3{2-} = S4O6{2-} + {-} =>
2 S2O3{2-} = S4O6{2-} + 2e
HCOONa = HCOO{-} + Na{+} =>
HCOONa = HCOO{-} + Na{+}
CuSO4(aq) + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4(aq) + 2 Fe = Fe2(SO4)3 + 3 Cu
FeSO4 + NH4OH = FeNH4 + OHSO4 =>
FeSO4 + NH4OH = FeNH4 + OHSO4
CaI2 + Na2Co3 = CaCo3 + NaI =>
CaI2 + Na2Co3 = CaCo3 + 2 NaI
Nb2O5 + NaOH = NaNbO3 + H2O =>
Nb2O5 + 2 NaOH = 2 NaNbO3 + H2O
N2O5 + Na = NaNO3 + NO2 =>
N2O5 + Na = NaNO3 + NO2
Cr(OH)2 + H2SO4 = CrSO4 + H2O =>
Cr(OH)2 + H2SO4 = CrSO4 + 2 H2O
Na2O + Br2 = O + NaBr =>
Na2O + Br2 = O + 2 NaBr
NH4Cl + CH2O = CH3NH2HCl + H2O + CO2 =>
2 NH4Cl + 3 CH2O = 2 CH3NH2HCl + H2O + CO2
KMnO4 + H2SO4 + CH3CH2OH = MnSO4 + K2SO4 + H2O + CO2 =>
12 KMnO4 + 18 H2SO4 + 5 CH3CH2OH = 12 MnSO4 + 6 K2SO4 + 33 H2O + 10 CO2
NaOH + Zn + H2O + KNO3 = Na2Zn(OH)4 + NH3 + KOH =>
8 NaOH + 4 Zn + 6 H2O + KNO3 = 4 Na2Zn(OH)4 + NH3 + KOH
CuSO4(aq) + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4(aq) + 2 Fe = Fe2(SO4)3 + 3 Cu
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
VCl4(g) + HBr(g) = VBr4(g) + HCl(g) =>
VCl4(g) + 4 HBr(g) = VBr4(g) + 4 HCl(g)
C5H10 + KMnO4 + H2SO4 = C5H10O4 + MnSO4 + K2SO4 + H2O =>
5 C5H10 + 8 KMnO4 + 12 H2SO4 = 5 C5H10O4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
C6H8 + KMnO4 + H2O = KOH + MnO2 + C6H8(OH)4 =>
3 C6H8 + 4 KMnO4 + 8 H2O = 4 KOH + 4 MnO2 + 3 C6H8(OH)4
NaNO3 + Al = Na2O + Al2O3 + N2 =>
6 NaNO3 + 10 Al = 3 Na2O + 5 Al2O3 + 3 N2
PBr5 = PBr3 + Br2 =>
PBr5 = PBr3 + Br2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Zn(s) + AlCl3(aq) = Al(s) + ZnCl2 =>
3 Zn(s) + 2 AlCl3(aq) = 2 Al(s) + 3 ZnCl2
NiO + HNO3 = Ni(NO3)2 + H2O =>
NiO + 2 HNO3 = Ni(NO3)2 + H2O
I2 + NaOH = IOH + Na =>
I2 + 2 NaOH = 2 IOH + 2 Na
KClO3 + H2SO4 = K2SO4 + O2 + ClO2 + H2O =>
4 KClO3 + 2 H2SO4 = 2 K2SO4 + O2 + 4 ClO2 + 2 H2O
Fe2 + Cl2 = FeCl2 =>
Fe2 + 2 Cl2 = 2 FeCl2
BaSO4 + CuO = BaO + CuSO4 =>
BaSO4 + CuO = BaO + CuSO4
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C6H8 + KMnO4 + H2O = MnO2 + C6H12O4 + KOH =>
3 C6H8 + 4 KMnO4 + 8 H2O = 4 MnO2 + 3 C6H12O4 + 4 KOH
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
I2 + CI2 = ICI3 =>
I2 + CI2 = ICI3
Al + KOH + H2SO4 = KAl(SO4)2 + H2O + H2 =>
2 Al + 2 KOH + 4 H2SO4 = 2 KAl(SO4)2 + 2 H2O + 3 H2
CaO + SO3 = CaSO4 =>
CaO + SO3 = CaSO4
AgNO3 + (NH4)2 + CO3 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + (NH4)2 + CO3 = Ag2CO3 + 2 NH4NO3
C4H8 + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
15 C4H8 + 16 KMnO4 + 24 H2SO4 = 20 C3H6O2 + 8 K2SO4 + 16 MnSO4 + 24 H2O
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
ZnO + Na = NaZn + O =>
ZnO + Na = NaZn + O
C + HO = CO2 + H2O =>
C + 4 HO = CO2 + 2 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Fe(ClO4)2 + Al = Al(ClO4) + Fe =>
Fe(ClO4)2 + 2 Al = 2 Al(ClO4) + Fe
C5H10 + KMnO4 + H2SO4 = C5H10O2 + K2SO4 + MnSO4 + H2O =>
5 C5H10 + 4 KMnO4 + 6 H2SO4 = 5 C5H10O2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
Mo2O5 + H2O = Mo(OH)5 =>
Mo2O5 + 5 H2O = 2 Mo(OH)5
C2H6 + O = CO2 + H2O =>
C2H6 + 7 O = 2 CO2 + 3 H2O
Fe + K2SO4 = Fe2(SO4)3 + K =>
2 Fe + 3 K2SO4 = Fe2(SO4)3 + 6 K
Na + ZnI2 = NaI + NaZn4 =>
9 Na + 4 ZnI2 = 8 NaI + NaZn4
Zn + Zn(NO3)2 = ZnO + NO =>
3 Zn + Zn(NO3)2 = 4 ZnO + 2 NO
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Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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