| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca(NO3)2 + Fe2(SO4)3 = 3 CaSO4 + 2 Fe(NO3)3
Mn(NO3)2 + KBrO3 + KOH = KMnO4 + Br + KNO3 + H2O =>
Mn(NO3)2 + KBrO3 + 2 KOH = KMnO4 + Br + 2 KNO3 + H2O
Na + H2SO4 = Na2SO4 + H2S + HOO =>
2 Na + 2 H2SO4 = Na2SO4 + H2S + 2 HOO
Pb(s) + FeI3(aq) = PbI2(s) + Fe(s) =>
3 Pb(s) + 2 FeI3(aq) = 3 PbI2(s) + 2 Fe(s)
AgNO3 + HCN = AgCN + HNO3 =>
AgNO3 + HCN = AgCN + HNO3
K2S + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O =>
5 K2S + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 9 K2SO4 + 12 H2O
Cu(NO3)2 + H2O = Cu(H2O){2+} + NO3{-} =>
Cu(NO3)2 + H2O = Cu(H2O){2+} + 2 NO3{-}
HI + O2 = HIO2 =>
HI + O2 = HIO2
Ca(s) + CO3(g) = CaCO3(s) =>
Ca(s) + CO3(g) = CaCO3(s)
OH{-} + Cr{3+} = CrO4{2-} + H2O + e =>
8 OH{-} + Cr{3+} = CrO4{2-} + 4 H2O + 3e
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KCN + CuSO4 = Cu(CN)2SO4 + K =>
2 KCN + CuSO4 = Cu(CN)2SO4 + 2 K
BaS2O3 + HNO3 = Ba(NO3)2 + H2S2O3 =>
BaS2O3 + 2 HNO3 = Ba(NO3)2 + H2S2O3
Zn + H2SO4 = H2 + (ZnSO4) =>
Zn + H2SO4 = H2 + (ZnSO4)
(NH4)2SO3 + HCl = NH4 + Cl + SO2 + H2O =>
(NH4)2SO3 + 2 HCl = 2 NH4 + 2 Cl + SO2 + H2O
Cr(OH)3 + H2O2 = CrO4 + H2O =>
2 Cr(OH)3 + 5 H2O2 = 2 CrO4 + 8 H2O
MnO + O2 = Mn3O4 =>
6 MnO + O2 = 2 Mn3O4
Na2O + H2S = HOH + Na2S =>
Na2O + H2S = HOH + Na2S
Cr(OH)3 + H2O2 = CrO4 + H2O =>
2 Cr(OH)3 + 5 H2O2 = 2 CrO4 + 8 H2O
NaNO3 + C2H2O = NaO + CO2 + N + H2O =>
2 NaNO3 + C2H2O = 2 NaO + 2 CO2 + 2 N + H2O
CaF2 + Al2(CO3)3 = CaCO3 + AlF3 =>
3 CaF2 + Al2(CO3)3 = 3 CaCO3 + 2 AlF3
H2SO4 + Cu2O = CuSO4 + H2O + Cu =>
H2SO4 + Cu2O = CuSO4 + H2O + Cu
Al(OH)3(s) + BaCl2(aq) = AlCl3(aq) + Ba(OH)2(aq) =>
2 Al(OH)3(s) + 3 BaCl2(aq) = 2 AlCl3(aq) + 3 Ba(OH)2(aq)
CH4 + F = CHF3 + H2 =>
2 CH4 + 6 F = 2 CHF3 + 3 H2
(NH4)2SO4(aq) + Na2CrO4(aq) = (NH4)2CrO4 + Na2SO4 =>
(NH4)2SO4(aq) + Na2CrO4(aq) = (NH4)2CrO4 + Na2SO4
Si + Ca(OH)2 = Ca2Si + OH =>
Si + 2 Ca(OH)2 = Ca2Si + 4 OH
KY + Br2 = KBr + Y3 =>
6 KY + 3 Br2 = 6 KBr + 2 Y3
ClO4{-} + Cl{-} + H{+} = Cl2 + H2O =>
ClO4{-} + 7 Cl{-} + 8 H{+} = 4 Cl2 + 4 H2O
OH + NaCH3CO2 = H3O + NaCH2CO2 =>
OH + 2 NaCH3CO2 = H3O + 2 NaCH2CO2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
K2Cr2O7 + K2SO3 + H2O = Cr(OH)3 + K2SO4 + KOH =>
K2Cr2O7 + 3 K2SO3 + 4 H2O = 2 Cr(OH)3 + 3 K2SO4 + 2 KOH
KCrO2 + Br2 + KOH = K3CrO4 + KBr + H2O =>
KCrO2 + Br2 + 4 KOH = K3CrO4 + 2 KBr + 2 H2O
Mn2O + H2O = MnO2 + H2 =>
Mn2O + 3 H2O = 2 MnO2 + 3 H2
Ag(NH3)2{+} + KI = AgI + NH3 + K{+} =>
Ag(NH3)2{+} + KI = AgI + 2 NH3 + K{+}
BiO3 + Cr = Cr2O7 + Bi =>
7 BiO3 + 6 Cr = 3 Cr2O7 + 7 Bi
(C6H5)2NH + NaNO3 = Na(C6H5)2 + NO3NH =>
(C6H5)2NH + NaNO3 = Na(C6H5)2 + NO3NH
ZnS + NH4Cl = ZnCl2 + (NH4)2S =>
ZnS + 2 NH4Cl = ZnCl2 + (NH4)2S
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cd + NiOOH + H2O = Cd(OH)2 + Ni(OH)2H2O =>
Cd + 2 NiOOH + 4 H2O = Cd(OH)2 + 2 Ni(OH)2H2O
I6 + H = I4H6 =>
2 I6 + 18 H = 3 I4H6
PbO2 + HNO3 = Pb + H2O + NO3 =>
PbO2 + 4 HNO3 = Pb + 2 H2O + 4 NO3
Cs{+} + O2{4-} = Cs2O =>
4 Cs{+} + O2{4-} = 2 Cs2O
HI + HClO = HIO3 + HCl =>
HI + 3 HClO = HIO3 + 3 HCl
K3AsO4 + LiNO3 = KNO3 + Li3AsO4 =>
K3AsO4 + 3 LiNO3 = 3 KNO3 + Li3AsO4
Ni100000Cu277091 + Pb = NiPb277091 + Cu =>
Ni100000Cu277091 + 27709100000 Pb = 100000 NiPb277091 + 277091 Cu
C3H5CH3 + O2 = C6H5COOH + H2O =>
7 C3H5CH3 + 12 O2 = 4 C6H5COOH + 16 H2O
NaCO3 + CuO = CuCO3 + NaO =>
NaCO3 + CuO = CuCO3 + NaO
MgCl2 + K4Fe(CN)6 = Mg2Fe(CN)6 + KCl =>
2 MgCl2 + K4Fe(CN)6 = Mg2Fe(CN)6 + 4 KCl
Cr + HI = CrI + H =>
Cr + HI = CrI + H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/06/25
Équations équilibrées sur02/05/24
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