| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ni{+2} + Pb = Ni + Pb{+2}
KMnO4 + H2SO4 + NaNO2 = K2SO4 + Na(OH)2 + MnSO4 + NO2 + O2 =>
2 KMnO4 + 3 H2SO4 + 3 NaNO2 = K2SO4 + 3 Na(OH)2 + 2 MnSO4 + 3 NO2 + O2
Na(s) + H2O(l) = Na(OH)(g) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 Na(OH)(g) + H2(g)
NH4SCN + Fe3 = NH4 + Fe(SCN)3 =>
9 NH4SCN + Fe3 = 9 NH4 + 3 Fe(SCN)3
NaVO2 + H2SO4 + Zn = ZnSO4 + H2O + VSO4 + Na2SO4 =>
2 NaVO2 + 4 H2SO4 + Zn = ZnSO4 + 4 H2O + 2 VSO4 + Na2SO4
Na2CO3(s) + HClO3 = NaClO3 + H2CO3 =>
Na2CO3(s) + 2 HClO3 = 2 NaClO3 + H2CO3
Fe3N2 = Fe + N2 =>
Fe3N2 = 3 Fe + N2
BiN + CaI2 = BiI3 + Ca3N2 =>
2 BiN + 3 CaI2 = 2 BiI3 + Ca3N2
FeS2 + O2 = SO2 + Fe2O4 =>
2 FeS2 + 6 O2 = 4 SO2 + Fe2O4
Ti2O4 + HNO3 = Ti(NO3)4 + H2O =>
Ti2O4 + 8 HNO3 = 2 Ti(NO3)4 + 4 H2O
H2O2 + Mn = H2O + MnO2 =>
2 H2O2 + Mn = 2 H2O + MnO2
K2Cr2O7 + KJ + H2SO4 = J2 + Cr2(SO4)3 + H2O + K2O =>
K2Cr2O7 + 6 KJ + 3 H2SO4 = 3 J2 + Cr2(SO4)3 + 3 H2O + 4 K2O
C2Cl3 + AgNO3 = C2(NO3)3 + AgCl =>
C2Cl3 + 3 AgNO3 = C2(NO3)3 + 3 AgCl
FeSO4 + NaOH + H2O2 = Fe(OH)3 + NaSO4 =>
FeSO4 + NaOH + H2O2 = Fe(OH)3 + NaSO4
SiO2 + NaHCO3 = Na2SiO3 + H2O + CO2 =>
SiO2 + 2 NaHCO3 = Na2SiO3 + H2O + 2 CO2
CH3COOH + CH3CH2CH2(OH)CH3 = CH3CH2CH(COOCH3)CH3 + H2O =>
11 CH3COOH + 8 CH3CH2CH2(OH)CH3 = 9 CH3CH2CH(COOCH3)CH3 + 12 H2O
CaO + Al2O3 = CaAl2 + O2 =>
CaO + Al2O3 = CaAl2 + 2 O2
PbCl2 + H2O = Pb + HCl + O =>
PbCl2 + H2O = Pb + 2 HCl + O
H3O{+3} + Cr2O7{2-} + CH5OH = Cr{3+} + H2O + CH3CO2H =>
32 H3O{+3} + 12 Cr2O7{2-} + 34 CH5OH = 24 Cr{3+} + 116 H2O + 17 CH3CO2H
NaH(C4H4O6) + KClO3 = KH(C4H4O6) + NaClO3 =>
NaH(C4H4O6) + KClO3 = KH(C4H4O6) + NaClO3
KOH + NaHSO4 = K2SO4 + Na2SO4 + H2O =>
2 KOH + 2 NaHSO4 = K2SO4 + Na2SO4 + 2 H2O
CoCl2(aq) + Na2CO3(aq) = CoCO3(s) + NaCl(aq) =>
CoCl2(aq) + Na2CO3(aq) = CoCO3(s) + 2 NaCl(aq)
K2CrO4 + HNO3 + H2O = H2Cr2O4 + KNO3 + OH =>
2 K2CrO4 + 4 HNO3 + 2 H2O = H2Cr2O4 + 4 KNO3 + 6 OH
CoCl3 + Mg3(PO4)2 = MgCl2 + (CoPO4) =>
2 CoCl3 + Mg3(PO4)2 = 3 MgCl2 + 2(CoPO4)
C2H4O2 + C5H12O = C7H14O2 + H3O =>
23 C2H4O2 + 30 C5H12O = 28 C7H14O2 + 20 H3O
HC2H3O2 + NaCO3 = NaC2H3O2 + H2O + CO3 =>
11 HC2H3O2 + 12 NaCO3 = 12 NaC2H3O2 + 4 H2O + 10 CO3
(C2H6) + O2 = CO + H2O =>
2(C2H6) + 5 O2 = 4 CO + 6 H2O
Cu + HNO3 = NO2 + H2O + CuO2 =>
Cu + 4 HNO3 = 4 NO2 + 2 H2O + CuO2
Cu(C2H3O2)2 + Fe = Fe(C2H3O2)3 + Cu =>
3 Cu(C2H3O2)2 + 2 Fe = 2 Fe(C2H3O2)3 + 3 Cu
Li2CO3 + AgC2H3O2 = AgCO3 + Li2C2H3O2 =>
Li2CO3 + AgC2H3O2 = AgCO3 + Li2C2H3O2
Al + Cu2(SO4)2 = Al2(SO4)3 + Cu =>
4 Al + 3 Cu2(SO4)2 = 2 Al2(SO4)3 + 6 Cu
KMnO4 + HCl + N2H4 = N2 + H2O + MnCl2 + KCl =>
4 KMnO4 + 12 HCl + 5 N2H4 = 5 N2 + 16 H2O + 4 MnCl2 + 4 KCl
CH3CO2CH2CH2CH3O2 + O2 = CO2 + H2O =>
2 CH3CO2CH2CH2CH3O2 + 11 O2 = 10 CO2 + 10 H2O
FeO + TiO2 + Mn2O3 + Nb2O3 = Mn3FeTiNbO9 =>
2 FeO + 2 TiO2 + 3 Mn2O3 + Nb2O3 = 2 Mn3FeTiNbO9
(NH4)2CO3(s) = NH3(g) + H2O(g) + CO2(g) =>
(NH4)2CO3(s) = 2 NH3(g) + H2O(g) + CO2(g)
C6H5CHCHCOOH + HCl = C6H6CHCHCOOH + Cl =>
C6H5CHCHCOOH + HCl = C6H6CHCHCOOH + Cl
AlNaO2 + HCl = AlCl3 + H3NaO2 =>
AlNaO2 + 3 HCl = AlCl3 + H3NaO2
Na2S + Pb(NO)3 = Na2(NO)3 + PbS =>
Na2S + Pb(NO)3 = Na2(NO)3 + PbS
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Ar = Ar2 =>
2 Ar = Ar2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
KOH + H3PO4 = KH2PO4 + H2O =>
KOH + H3PO4 = KH2PO4 + H2O
CH3CH2OH + H2O = H3O + CH3CHO =>
CH3CH2OH + 2 H2O = 2 H3O + CH3CHO
BaCl2(aq) + Na2S(aq) = BaS(aq) + NaCl(s) =>
BaCl2(aq) + Na2S(aq) = BaS(aq) + 2 NaCl(s)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C6H8O7 + H2O2 = CH2O2 + H2O =>
C6H8O7 + 3 H2O2 = 6 CH2O2 + H2O
K3[Cr(OH)6] + SO2 = Cr(OH)3 + K2SO3 + H2O =>
2 K3[Cr(OH)6] + 3 SO2 = 2 Cr(OH)3 + 3 K2SO3 + 3 H2O
CaO + SiO = CaSiO2 =>
CaO + SiO = CaSiO2
LiCl + YCl3 = Li3YCl6 =>
3 LiCl + YCl3 = Li3YCl6
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
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Équations équilibrées sur12/13/24
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