| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 NO2(g) + H2O = 2 HNO3 + NO
CoS + HNO3 = Co(NO3)2 + H2S =>
CoS + 2 HNO3 = Co(NO3)2 + H2S
NH4Cl + O2 = (NH4)2O + Cl2 =>
4 NH4Cl + O2 = 2(NH4)2O + 2 Cl2
CuI2 + Cl2 = CuCl2 + I2 =>
CuI2 + Cl2 = CuCl2 + I2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Sr(s) + H2O(l) = Sr(HO)2(s) + H2(g) =>
Sr(s) + 2 H2O(l) = Sr(HO)2(s) + H2(g)
CaCO3 + NH4H2PO4 = Ca10(PO4)6(OH)2 + H2O + CO2 + NH3 =>
10 CaCO3 + 6 NH4H2PO4 = Ca10(PO4)6(OH)2 + 8 H2O + 10 CO2 + 6 NH3
Cr + PO4 = Cr(PO4) =>
Cr + PO4 = Cr(PO4)
NH4Cl + Cu(C2H3O2)2 = NH4(C2H3O2)2 + CuCl =>
NH4Cl + Cu(C2H3O2)2 = NH4(C2H3O2)2 + CuCl
KClO3 + KCl + H2SO4 = Cl2 + H2O + KHSO4 =>
KClO3 + 5 KCl + 6 H2SO4 = 3 Cl2 + 3 H2O + 6 KHSO4
KNO3 + KI + HCl = NO + I2 + KCl + H2O =>
2 KNO3 + 6 KI + 8 HCl = 2 NO + 3 I2 + 8 KCl + 4 H2O
C6H8O7 + FeSO4 = Fe3(C6H5O7)2 + H2SO4 =>
2 C6H8O7 + 3 FeSO4 = Fe3(C6H5O7)2 + 3 H2SO4
Xe + F2 = XeF6 =>
Xe + 3 F2 = XeF6
NaI + Cr(NO3)3 = NaNO3 + CrI3 =>
3 NaI + Cr(NO3)3 = 3 NaNO3 + CrI3
K2MnO4 + KI + H2SO4 = I2 + MnSO4 + H2O + K2O =>
K2MnO4 + 4 KI + H2SO4 = 2 I2 + MnSO4 + H2O + 3 K2O
KI + NaClO = KCl + NaI + O2 =>
2 KI + 2 NaClO = 2 KCl + 2 NaI + O2
Ba + Ni3(PO4)2 = Ni + BaPO4 =>
2 Ba + Ni3(PO4)2 = 3 Ni + 2 BaPO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Nb + HNO3 + HF = H2NbF7 + NO2 + H2O =>
Nb + 5 HNO3 + 7 HF = H2NbF7 + 5 NO2 + 5 H2O
Cd(s) + HCl(aq) = CdCl2(s) + H2(g) =>
Cd(s) + 2 HCl(aq) = CdCl2(s) + H2(g)
C2H5OH + I2 + NaOH = CHI3 + HCOONa + H2 =>
2 C2H5OH + 3 I2 + 2 NaOH = 2 CHI3 + 2 HCOONa + 5 H2
NaF + CH3COOH = CH3COONa + HF =>
NaF + CH3COOH = CH3COONa + HF
Li(OH) + Fe(NO3)3 = Fe(OH)3 + LiNO3 =>
3 Li(OH) + Fe(NO3)3 = Fe(OH)3 + 3 LiNO3
Al4C3(g) + H2O(l) = Al(OH)3(g) + CH4(g) =>
Al4C3(g) + 12 H2O(l) = 4 Al(OH)3(g) + 3 CH4(g)
Co + NH4SCN = [Co(SCN)4] + NH4 =>
Co + 4 NH4SCN = [Co(SCN)4] + 4 NH4
Al2O3 + Cl2O7 = Al(ClO4)3 =>
Al2O3 + 3 Cl2O7 = 2 Al(ClO4)3
NaBr(aq) + H2SO4(aq) = Br2(l) + SO2(g) + H2O(l) + Na2SO4(aq) =>
2 NaBr(aq) + 2 H2SO4(aq) = Br2(l) + SO2(g) + 2 H2O(l) + Na2SO4(aq)
C3H5O3{-} = C3H5O2{-} + C2H3O2{-} + CO2 + H2 =>
2 C3H5O3{-} = C3H5O2{-} + C2H3O2{-} + CO2 + H2
Ba + Ni3(PO4)2 = Ni + Ba3(PO4)2 =>
3 Ba + Ni3(PO4)2 = 3 Ni + Ba3(PO4)2
ZnSO4 + NH3 = Zn(NH3)4 + SO4 =>
ZnSO4 + 4 NH3 = Zn(NH3)4 + SO4
K3[Cr(OH)6] + CO2 = Cr(OH)3 + K2CO3 + H2O =>
2 K3[Cr(OH)6] + 3 CO2 = 2 Cr(OH)3 + 3 K2CO3 + 3 H2O
OCl + H = Cl2 + H2O =>
2 OCl + 4 H = Cl2 + 2 H2O
KIO3 + Mg + H2SO4 = MgSO4 + KI + H2O =>
KIO3 + 3 Mg + 3 H2SO4 = 3 MgSO4 + KI + 3 H2O
Br + H3PO4 = Br2O + P2O3 + H2O =>
4 Br + 2 H3PO4 = 2 Br2O + P2O3 + 3 H2O
NaBr = Na + Br2 =>
2 NaBr = 2 Na + Br2
IO3 + SO3 = I2 + SO4 =>
2 IO3 + 6 SO3 = I2 + 6 SO4
Cr(OH)3 + H{+} = Cr{+3} + H2O =>
Cr(OH)3 + 3 H{+} = Cr{+3} + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H3NBH3 + H2O = NH4 + BO2 + H2 =>
H3NBH3 + 2 H2O = NH4 + BO2 + 3 H2
KI + ClO = KCl + IO =>
KI + ClO = KCl + IO
KI(aq) + F2(g) = I2(s) + KF(aq) =>
2 KI(aq) + F2(g) = I2(s) + 2 KF(aq)
Sr(s) + O2(g) = SrO(s) =>
2 Sr(s) + O2(g) = 2 SrO(s)
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
C21H44 + O2 = C + H2O =>
C21H44 + 11 O2 = 21 C + 22 H2O
Mg(OH)2 + Li3N = Mg3N2 + LiOH =>
3 Mg(OH)2 + 2 Li3N = Mg3N2 + 6 LiOH
H3PO4 + Co(OH)3 = Co(PO4) + H2O =>
H3PO4 + Co(OH)3 = Co(PO4) + 3 H2O
Si(OCH2CH3)4 + H2O = Si(OCH2CH3)3OH + CH2CH3OH =>
Si(OCH2CH3)4 + H2O = Si(OCH2CH3)3OH + CH2CH3OH
Sn + PbO2 = SnO2 + Pb =>
Sn + PbO2 = SnO2 + Pb
PbCl2(aq) + Li2SO4(aq) = LiCl + PbSO4 =>
PbCl2(aq) + Li2SO4(aq) = 2 LiCl + PbSO4
Fe2 + S = FeS =>
Fe2 + 2 S = 2 FeS
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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