| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ni8 + 16 HCl = 8 NiCl2 + 8 H2
ClO2 + HCl = Cl2 + H2O =>
2 ClO2 + 8 HCl = 5 Cl2 + 4 H2O
C14H11Cl2NO2 + O3 = CO2 + H2O + NH4{+} + Cl{-} + H{+} =>
3 C14H11Cl2NO2 + 29 O3 = 42 CO2 + 9 H2O + 3 NH4{+} + 6 Cl{-} + 3 H{+}
C2H5Br + KOH(ap) = KBr + H2O + C2H4 =>
C2H5Br + KOH(ap) = KBr + H2O + C2H4
NaBr + I2 = Na2I2 + Br =>
2 NaBr + I2 = Na2I2 + 2 Br
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
NiSO4 + C4H8O2N2 = Ni(C4H7O2N2)2 + H2SO4 =>
NiSO4 + 2 C4H8O2N2 = Ni(C4H7O2N2)2 + H2SO4
C6H12(s) + O2(g) = CO2(g) + H2O(g) =>
C6H12(s) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
BaOH + HNO3 = BaNO3 + H2O =>
BaOH + HNO3 = BaNO3 + H2O
Fe + Cu(OH)2 = Fe(OH)2 + Cu =>
Fe + Cu(OH)2 = Fe(OH)2 + Cu
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
FeSO47H2O = SO3 + Fe2O3 + O2 + H2O =>
4 FeSO47H2O = 4 SO3 + 2 Fe2O3 + 85 O2 + 4 H2O
Cr2(SO4)3 + NH4OH = Cr(OH)3 + (NH4)2(SO4) =>
Cr2(SO4)3 + 6 NH4OH = 2 Cr(OH)3 + 3(NH4)2(SO4)
LiCl + H3PO4 = Li3PO4 + HCl =>
3 LiCl + H3PO4 = Li3PO4 + 3 HCl
AlF3 + Cl2 = AlCl3 + F3 =>
2 AlF3 + 3 Cl2 = 2 AlCl3 + 2 F3
HCON(CH3)2 + O2 = CO2 + H2O + N2O =>
2 HCON(CH3)2 + 9 O2 = 6 CO2 + 7 H2O + N2O
Ca + C + O2 = CaCO3 =>
2 Ca + 2 C + 3 O2 = 2 CaCO3
Mg + HNO3 = Mg(NO3) + N2O + H2O =>
8 Mg + 10 HNO3 = 8 Mg(NO3) + N2O + 5 H2O
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
Br + Cl + H2O = HBrO3 + HCl =>
Br + 5 Cl + 3 H2O = HBrO3 + 5 HCl
Fe(OH)3CaO = FeOCa(OH)3 =>
Fe(OH)3CaO = FeOCa(OH)3
COKOH = HCOOK =>
COKOH = HCOOK
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
PbCO3 + HC2H3O2 = Pb(C2H3O2)2 + H2O + CO2 =>
PbCO3 + 2 HC2H3O2 = Pb(C2H3O2)2 + H2O + CO2
MgSO4 + Na3PO4 = Mg3(PO4)2 + Na2SO4 =>
3 MgSO4 + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2SO4
CaCO3HCOOH = HCaCOOHCO3 =>
CaCO3HCOOH = HCaCOOHCO3
C2H2OHO2 = C2H2O2(OH) =>
C2H2OHO2 = C2H2O2(OH)
PhNH2 + NaNO2 + H2SO4 = PhH + NaHSO4 + N2 + H2O =>
3 PhNH2 + NaNO2 + H2SO4 = 3 PhH + NaHSO4 + 2 N2 + 2 H2O
H2O2 + BrN3 = NO2 + HBrO3 + H2O =>
17 H2O2 + 2 BrN3 = 6 NO2 + 2 HBrO3 + 16 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
I2 + HNO2 = HIO3 + NO + H2O =>
I2 + 10 HNO2 = 2 HIO3 + 10 NO + 4 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
K2SO4 + Ca(OH)2 = K2(OH)2 + Ca(SO4) =>
K2SO4 + Ca(OH)2 = K2(OH)2 + Ca(SO4)
KI + KIO + HCl = I + H2O + KCl =>
KI + KIO + 2 HCl = 2 I + H2O + 2 KCl
CdO + HCl = CdOHCl =>
CdO + HCl = CdOHCl
Cl2O5 + Fe2O3 = ClO3 + FeO =>
Cl2O5 + Fe2O3 = 2 ClO3 + 2 FeO
Sr + N2 = Sr3N2 =>
3 Sr + N2 = Sr3N2
Na2S2O3 + Br2 + H2O = NaBr + H2SO4 + S =>
Na2S2O3 + Br2 + H2O = 2 NaBr + H2SO4 + S
CoCl2 + K3[Fe(CN)6] = KCl + Co3[Fe(CN)6]2 =>
3 CoCl2 + 2 K3[Fe(CN)6] = 6 KCl + Co3[Fe(CN)6]2
CuSO4 + Co = Co2(SO4)3 + Cu =>
3 CuSO4 + 2 Co = Co2(SO4)3 + 3 Cu
FeCl2 + HNO3 = Fe(NO3)3 + NO + H2O + HCl =>
3 FeCl2 + 10 HNO3 = 3 Fe(NO3)3 + NO + 2 H2O + 6 HCl
H2O2 + Br2 = H2BrO3H2O =>
4 H2O2 + Br2 = 2 H2BrO3H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Mn(NO3)2 + LiOH = Mn(OH)2 + LiNO3 =>
Mn(NO3)2 + 2 LiOH = Mn(OH)2 + 2 LiNO3
NH4OH + (AlCl3) = NH4Cl + Al(OH)3 =>
3 NH4OH + (AlCl3) = 3 NH4Cl + Al(OH)3
Cr(s) + Fe(No3)2 = Fe(s) + Cr(No3)3 =>
2 Cr(s) + 3 Fe(No3)2 = 3 Fe(s) + 2 Cr(No3)3
KNO2 + KMnO44 + HCl = KNO3 + MnCl2 + KCl + H2O =>
85 KNO2 + 2 KMnO44 + 6 HCl = 85 KNO3 + 2 MnCl2 + 2 KCl + 3 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
AlOH3 + O2 = Al2O3 + H2O =>
2 AlOH3 + 2 O2 = Al2O3 + 3 H2O
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Équations équilibrées sur11/19/24
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