| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + Zn = H2 + ZnO + Na2O
C6H5OCOCH3 + KOH = CH3OH + C6H5COOK =>
C6H5OCOCH3 + KOH = CH3OH + C6H5COOK
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(l) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(l)
NiSO4(ac) + C2H8N2 = Ni(C2H8N2)3SO4(ac) =>
NiSO4(ac) + 3 C2H8N2 = Ni(C2H8N2)3SO4(ac)
HBrO + Ra(OH)2 = Ra(BrO)2 + H2O =>
2 HBrO + Ra(OH)2 = Ra(BrO)2 + 2 H2O
H3C6H5O7 + NaHCO3 = H2O + CO2 + NaC6H5O7 =>
8 H3C6H5O7 + 9 NaHCO3 = 14 H2O + 3 CO2 + 9 NaC6H5O7
NiSO4(ac) + C2H8N2 = Ni(C2H8N2)3SO4(ac) =>
NiSO4(ac) + 3 C2H8N2 = Ni(C2H8N2)3SO4(ac)
Cu(NO3)2 = CuO + NO2 + NO3 =>
Cu(NO3)2 = CuO + NO2 + NO3
I2 + H2O = IO3{-} + e + H3O{+} =>
I2 + 18 H2O = 2 IO3{-} + 10e + 12 H3O{+}
K3PO4 + CuI = KI + Cu3(PO4) =>
K3PO4 + 3 CuI = 3 KI + Cu3(PO4)
K + Na2SO4 = KNa + SO4 =>
2 K + Na2SO4 = 2 KNa + SO4
Zn(s) + HI(aq) = ZnI2(aq) + H =>
Zn(s) + 2 HI(aq) = ZnI2(aq) + 2 H
HNO3 + CaCl2 = Ca(NO3) + HCl2 =>
HNO3 + CaCl2 = Ca(NO3) + HCl2
K3PO4 + CuI = KI + Cu3(PO4) =>
K3PO4 + 3 CuI = 3 KI + Cu3(PO4)
Cr2(SO4)3 + NaBr = Na2SO4 + CrBr3 =>
Cr2(SO4)3 + 6 NaBr = 3 Na2SO4 + 2 CrBr3
CrO3 + HNO3 + H2O = Cr(NO3)3*9H2O + O =>
2 CrO3 + 6 HNO3 + 15 H2O = 2 Cr(NO3)3*9H2O + 3 O
NaAlSi3O8 + H2O + H = Al2Si2O5(OH4) + Na + H4SiO4 =>
2 NaAlSi3O8 + 6 H2O + 8 H = Al2Si2O5(OH4) + 2 Na + 4 H4SiO4
HCl + AgC2H3O2 = AgCl + C2H4O2 =>
HCl + AgC2H3O2 = AgCl + C2H4O2
NH4NO3 + CuOH = CuNO3 + NH3 + H2O =>
NH4NO3 + CuOH = CuNO3 + NH3 + H2O
NaOH + Zn = H2 + ZnO + Na2O =>
2 NaOH + Zn = H2 + ZnO + Na2O
Zn(s) + HI(aq) = ZnI2(aq) + H2(g) =>
Zn(s) + 2 HI(aq) = ZnI2(aq) + H2(g)
NaOH + Zn = H2 + ZnO + Na2O =>
2 NaOH + Zn = H2 + ZnO + Na2O
MgCl2 + NaHCO3 = Mg(HCO3)2 + NaCl =>
MgCl2 + 2 NaHCO3 = Mg(HCO3)2 + 2 NaCl
CaCl2 + (NH4)2SO4 = CaSO4 + NH4Cl =>
CaCl2 + (NH4)2SO4 = CaSO4 + 2 NH4Cl
Fe(OH)3 + NaCl = FeCl3 + NaOH =>
Fe(OH)3 + 3 NaCl = FeCl3 + 3 NaOH
(NH4)2CO3 + Zn(NO3)2 = (NH4)(NO3) + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2(NH4)(NO3) + ZnCO3
CuSO4 + NO2 = CuO2 + NSO4 =>
CuSO4 + NO2 = CuO2 + NSO4
Al(NO3)(aq) + H2O(l) + NH3(aq) = Al(OH)4(s) + NH4(NO3)(aq) =>
8 Al(NO3)(aq) + 23 H2O(l) + 2 NH3(aq) = 8 Al(OH)4(s) + 5 NH4(NO3)(aq)
Br2 + H3AsO4 = As2 + HBrO2 + H2O =>
5 Br2 + 6 H3AsO4 = 3 As2 + 10 HBrO2 + 4 H2O
Zn(s) + HI(aq) = ZnI2(aq) + H =>
Zn(s) + 2 HI(aq) = ZnI2(aq) + 2 H
OH + H3PO3 + NO{3-} = PO4{3-} + N2O4 + H2O =>
14 OH + 2 H3PO3 + 2 NO{3-} = 2 PO4{3-} + N2O4 + 10 H2O
B + C = B4C =>
4 B + C = B4C
Cu2S + Al = Al2S3 + Cu =>
3 Cu2S + 2 Al = Al2S3 + 6 Cu
Zn(s) + HI(aq) = ZnI2(aq) + H =>
Zn(s) + 2 HI(aq) = ZnI2(aq) + 2 H
(NH4)6Mo7O24 + H2S + HCl = Mo5O14 + NH4Cl + S + H2O =>
5(NH4)6Mo7O24 + 7 H2S + 30 HCl = 7 Mo5O14 + 30 NH4Cl + 7 S + 22 H2O
(OH) = H2O + O2 =>
4(OH) = 2 H2O + O2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NaBr + K2Cr2O7 + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O + Br2 =>
6 NaBr + K2Cr2O7 + 7 H2SO4 = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 7 H2O + 3 Br2
KNO3 + Fe = FeO + KNO2 =>
KNO3 + Fe = FeO + KNO2
NiS + NaCl = NiCl2 + Na2S =>
NiS + 2 NaCl = NiCl2 + Na2S
CHCCH3 + H2 = CH3CH2CH3 =>
CHCCH3 + 2 H2 = CH3CH2CH3
Na2CO3(aq) + HCl(aq) = NaCl + H2O + CO2 =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl + H2O + CO2
Zn(SO4)2 + SrCl = ZnClSr(SO4)2 =>
Zn(SO4)2 + SrCl = ZnClSr(SO4)2
Pb(NO3)2 + NaOH + NaClO = NaNO3 + NaCl + PbO2 + H2O =>
Pb(NO3)2 + 2 NaOH + NaClO = 2 NaNO3 + NaCl + PbO2 + H2O
C7H14N2 + O2 = HNO3 + CO2 + H2O =>
C7H14N2 + 13 O2 = 2 HNO3 + 7 CO2 + 6 H2O
Li3N + NHe4NO3 = LiNO3 + (NHe4)3N =>
Li3N + 3 NHe4NO3 = 3 LiNO3 + (NHe4)3N
Pb + AgC2H3O2 = Ag + PbC2H3O2 =>
Pb + AgC2H3O2 = Ag + PbC2H3O2
HCH2CHCO2 + OH = H2O + CO2 =>
HCH2CHCO2 + 12 OH = 8 H2O + 3 CO2
Al + FeCl2 + H2O = AlCl3 + Fe2(OH)3 + H2 =>
8 Al + 12 FeCl2 + 18 H2O = 8 AlCl3 + 6 Fe2(OH)3 + 9 H2
Al(NO3)(aq) + H2O(l) + NH3(aq) = Al(OH)4(s) + NH4(NO3)(aq) =>
8 Al(NO3)(aq) + 23 H2O(l) + 2 NH3(aq) = 8 Al(OH)4(s) + 5 NH4(NO3)(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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