| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Ne + H2 = 2 NeH
FeS + LiCl = FeCl2 + Li2S =>
FeS + 2 LiCl = FeCl2 + Li2S
Al2O3 + H3PO4 = AlPO4 + H2O =>
Al2O3 + 2 H3PO4 = 2 AlPO4 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
Fe + H2O = Fe3O4 + H3 =>
9 Fe + 12 H2O = 3 Fe3O4 + 8 H3
Si(s) + HCl(g) = HSiCl3(l) + H2(g) =>
Si(s) + 3 HCl(g) = HSiCl3(l) + H2(g)
Sr(C2H3O2)2 + Na2CO3 = Sr2(CO3)2 + Na(C2H3O2) =>
2 Sr(C2H3O2)2 + 2 Na2CO3 = Sr2(CO3)2 + 4 Na(C2H3O2)
H2SO4 + CH3CH2OH = CH3CH2SO4H + H2O =>
H2SO4 + CH3CH2OH = CH3CH2SO4H + H2O
Ni(OH)2 + NaOH = Na2[Ni(OH)4] =>
Ni(OH)2 + 2 NaOH = Na2[Ni(OH)4]
Cr2(SO4)3 + Cl2 + NaOH = Na2CrO4 + NaCl + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Cl2 + 16 NaOH = 2 Na2CrO4 + 6 NaCl + 3 Na2SO4 + 8 H2O
Fe2O3 + Cl2 + OH{-} = FeO4{-2} + Cl{-} + H2O =>
Fe2O3 + 3 Cl2 + 10 OH{-} = 2 FeO4{-2} + 6 Cl{-} + 5 H2O
Sn + NaOH + H2O = Na(Sn(OH)2) + H2 =>
2 Sn + 2 NaOH + 2 H2O = 2 Na(Sn(OH)2) + H2
Ca + PO4 = Ca3(PO4)2 =>
3 Ca + 2 PO4 = Ca3(PO4)2
Ca2CO3 + Ba(NO3)2 = CaNO3 + BaCO3 =>
Ca2CO3 + Ba(NO3)2 = 2 CaNO3 + BaCO3
AlCl3 + Mg(ClO4)2 = MgCl2 + Al(ClO4)3 =>
2 AlCl3 + 3 Mg(ClO4)2 = 3 MgCl2 + 2 Al(ClO4)3
Sr(OH)2 + Al2(SO4)3 = SrSO4 + Al(OH)3 =>
3 Sr(OH)2 + Al2(SO4)3 = 3 SrSO4 + 2 Al(OH)3
Si(s) + HCl(g) = HSiCl3(l) + H2(g) =>
Si(s) + 3 HCl(g) = HSiCl3(l) + H2(g)
Al + Ca(OH)2 + H2O = Ca3[Al(OH)6]2 + H2 =>
2 Al + 3 Ca(OH)2 + 6 H2O = Ca3[Al(OH)6]2 + 3 H2
AgBr + O2 = AgO + Br2 =>
2 AgBr + O2 = 2 AgO + Br2
Ni + CuSO4 = NiSO4 + Cu =>
Ni + CuSO4 = NiSO4 + Cu
Rb(OH)2 + P2O5 = Rb3(PO4)2 + H2O =>
3 Rb(OH)2 + P2O5 = Rb3(PO4)2 + 3 H2O
KI + K2S2O8 = I2 + K2SO4 =>
2 KI + K2S2O8 = I2 + 2 K2SO4
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
Mn(NO3)2 + (NH4)2S2O8 + H2O = HMnO4 + (NH4)2SO4 + HNO3 =>
18 Mn(NO3)2 + 5(NH4)2S2O8 + 42 H2O = 18 HMnO4 + 10(NH4)2SO4 + 26 HNO3
Li + CuF2 = CuLi2 + F2 =>
2 Li + CuF2 = CuLi2 + F2
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Na2CO3 + HCl(aq) = NaCl(aq) + H2O + CO2(g) =>
Na2CO3 + 2 HCl(aq) = 2 NaCl(aq) + H2O + CO2(g)
FeSO4 + H2O2 = Fe2O3 + SO42 + H2O =>
2 FeSO4 + 79 H2O2 = Fe2O3 + 2 SO42 + 79 H2O
Na2S + Cu(CH3COO)2 = NaCH3COO + CuS =>
Na2S + Cu(CH3COO)2 = 2 NaCH3COO + CuS
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Sb(OH)3 + KOH = K(Sb(OH)4) =>
Sb(OH)3 + KOH = K(Sb(OH)4)
C14H18N2O5 + H2O = C4H7NO4 + CH3OH + C9H11NO2 =>
C14H18N2O5 + 2 H2O = C4H7NO4 + CH3OH + C9H11NO2
CaCO3 + C2H4O2 = Ca + H2O + CO2 =>
4 CaCO3 + C2H4O2 = 4 Ca + 2 H2O + 6 CO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Al(OH)3 + RbOH = Rb3[Al(OH)6] =>
Al(OH)3 + 3 RbOH = Rb3[Al(OH)6]
PbO2 = PbO + O =>
PbO2 = PbO + O
ZnAl + HCl = ZnCl2 + AlCl3 + H2 =>
2 ZnAl + 10 HCl = 2 ZnCl2 + 2 AlCl3 + 5 H2
H3PO4 + MnO2 = H2O + Mn3(PO4)4 =>
4 H3PO4 + 3 MnO2 = 6 H2O + Mn3(PO4)4
C2H6O + SOCl2 = C2H5Cl + H2SO3 =>
2 C2H6O + SOCl2 = 2 C2H5Cl + H2SO3
NO2 + H2 = HNO3 + NO =>
4 NO2 + H2 = 2 HNO3 + 2 NO
KF + Ca(NO3)2 = KNO3 + CaF2 =>
2 KF + Ca(NO3)2 = 2 KNO3 + CaF2
C3H6O2 + C2H5OH = C4H8O2 + H2O =>
2 C3H6O2 + C2H5OH = 2 C4H8O2 + H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
HCO3 + H = H2O + CO2 =>
HCO3 + H = H2O + CO2
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2CO3 + (NH4)2(SO4)3 =>
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2CO3 + (NH4)2(SO4)3
Br2 + CuCl2 = BrCl + Cu =>
Br2 + CuCl2 = 2 BrCl + Cu
Na(OH) + I2 = NaI + Na(IO3) + H2O =>
6 Na(OH) + 3 I2 = 5 NaI + Na(IO3) + 3 H2O
H(g) + O(g) = H2O(g) =>
2 H(g) + O(g) = H2O(g)
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Équations équilibrées sur10/22/24
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