| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 NH4Br + Nd2O3 + 6 HBr = 2(NH4)2NdBr5 + 3 H2O
Li2CO3 = Li2 + CO2 + O2 =>
2 Li2CO3 = 2 Li2 + 2 CO2 + O2
K2CO3(aq) + HNO3(aq) = KNO3(aq) + H2CO3(aq) =>
K2CO3(aq) + 2 HNO3(aq) = 2 KNO3(aq) + H2CO3(aq)
H2SO4N = H2N + SO4 =>
H2SO4N = H2N + SO4
Pb(NO3)2(aq) + K2CrO4 = Pb2(CrO4)2 + KNO3 =>
2 Pb(NO3)2(aq) + 2 K2CrO4 = Pb2(CrO4)2 + 4 KNO3
NaCl + Cu(HCO3)2 = NaHCO3 + CuCl2 =>
2 NaCl + Cu(HCO3)2 = 2 NaHCO3 + CuCl2
(NH4)2CO3 + HCl = NH3 + CO + H2O + Cl =>
(NH4)2CO3 + 2 HCl = 2 NH3 + CO + 2 H2O + 2 Cl
NaF + HBr = HF + NaBr =>
NaF + HBr = HF + NaBr
Al + H3AlO3 = Al(HAlO3) + H2 =>
Al + H3AlO3 = Al(HAlO3) + H2
C3H6O3 + Na = C3H3O3Na3 + H2 =>
2 C3H6O3 + 6 Na = 2 C3H3O3Na3 + 3 H2
Mg(NO3)2 + HOH = MgOHNO3 + HNO3 =>
Mg(NO3)2 + HOH = MgOHNO3 + HNO3
NaCr2O2 + Br2 + NaOH = CrO3 + NaBr + H2O =>
2 NaCr2O2 + 9 Br2 + 16 NaOH = 4 CrO3 + 18 NaBr + 8 H2O
MaF2 + Ag = MaAg + F =>
MaF2 + Ag = MaAg + 2 F
K2Cr2O7 + KI + HCl = KCl + CrCl3 + H2O + I2 =>
K2Cr2O7 + 6 KI + 14 HCl = 8 KCl + 2 CrCl3 + 7 H2O + 3 I2
NaBr + NaBrO3 + H2SO = Na2SO4 + Br2 + H2O =>
2 NaBr + 4 NaBrO3 + 3 H2SO = 3 Na2SO4 + 3 Br2 + 3 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Fe + HCl = H2FeCl2 =>
Fe + 2 HCl = H2FeCl2
Na2O + Br = NaBr + O =>
Na2O + 2 Br = 2 NaBr + O
C2H4(OH)2 + Na = C2H4O2Na2 + H2 =>
C2H4(OH)2 + 2 Na = C2H4O2Na2 + H2
Pb(NO3)2(aq) + Na3PO4(aq) = NaNO3(aq) + Pb3(PO4)2(aq) =>
3 Pb(NO3)2(aq) + 2 Na3PO4(aq) = 6 NaNO3(aq) + Pb3(PO4)2(aq)
NH4Br + H2SO4 + MnO2 = (NH4)2SO4 + MnSO4 + H2O + Br2 =>
2 NH4Br + 2 H2SO4 + MnO2 = (NH4)2SO4 + MnSO4 + 2 H2O + Br2
Br + H2O = HBr + HBrO3 =>
6 Br + 3 H2O = 5 HBr + HBrO3
Cu + H2NO3 = CuO + NO + H2O =>
Cu + H2NO3 = CuO + NO + H2O
C + Cl = C2Cl2 =>
2 C + 2 Cl = C2Cl2
MgCl2 + Na(CO3) = Mg(CO3) + NaCl2 =>
MgCl2 + Na(CO3) = Mg(CO3) + NaCl2
Si + HNO3 = SiO2 + H2O + NO2 =>
Si + 4 HNO3 = SiO2 + 2 H2O + 4 NO2
Fe3(PO4)2 + H2SO4 = H3PO4 + FeSO4 =>
Fe3(PO4)2 + 3 H2SO4 = 2 H3PO4 + 3 FeSO4
(NH4)2S + Al(NO3)3 = (NH4)NO3 + Al2S3 =>
3(NH4)2S + 2 Al(NO3)3 = 6(NH4)NO3 + Al2S3
Ag + HF = AgFH =>
Ag + HF = AgFH
Ba(NO3)2(aq) + ZnSO3(aq) = BaSO3(s) + Zn(NO3)2 =>
Ba(NO3)2(aq) + ZnSO3(aq) = BaSO3(s) + Zn(NO3)2
K3N + BaCl2 = KCl + Ba3N2 =>
2 K3N + 3 BaCl2 = 6 KCl + Ba3N2
Mg(OH)2(s) + (NH4)3PO4 = Mg3(PO4)2 + NH3 + H2O =>
3 Mg(OH)2(s) + 2(NH4)3PO4 = Mg3(PO4)2 + 6 NH3 + 6 H2O
Au3{+} + Sn = Sn2{+} + Au =>
Au3{+} + 2 Sn = Sn2{+} + 3 Au
Pb(NO3)2(aq) + LiI(aq) = PbI + Li(NO3)2 =>
Pb(NO3)2(aq) + LiI(aq) = PbI + Li(NO3)2
KIO3 + Cl2 + H2O = KIO4 + HCl =>
KIO3 + Cl2 + H2O = KIO4 + 2 HCl
CO2 + C12H22O11 + NaCl = C2H3O2Na + Cl + H2O =>
12 CO2 + 7 C12H22O11 + 48 NaCl = 48 C2H3O2Na + 48 Cl + 5 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NbI3(cr) + I2(cr) = NbI5(cr) =>
NbI3(cr) + I2(cr) = NbI5(cr)
FeO + H = Fe + H2O =>
FeO + 2 H = Fe + H2O
Zn + MnNO3 = ZnNO3 + Mn =>
Zn + MnNO3 = ZnNO3 + Mn
K2Cr2O7 + HCl = ClCr3 + Cl2 + H2O + KCl =>
3 K2Cr2O7 + 42 HCl = 2 ClCr3 + 17 Cl2 + 21 H2O + 6 KCl
Al3 + Fe2O3 = Al3O2 + Fe2 =>
3 Al3 + 2 Fe2O3 = 3 Al3O2 + 2 Fe2
C6H5CH3 + O2 = C8H18 + CO2 =>
9 C6H5CH3 + 31 O2 = 4 C8H18 + 31 CO2
BaSO4 + H2O = BaOH + HSO4 =>
BaSO4 + H2O = BaOH + HSO4
C6H10O5 + O = CO2 + H2O =>
C6H10O5 + 12 O = 6 CO2 + 5 H2O
FeCl3 + Na2SO2 = Fe2(SO2)3 + NaCl =>
2 FeCl3 + 3 Na2SO2 = Fe2(SO2)3 + 6 NaCl
ZnSO4 + Pb(NO3)2 = Zn(NO3)2 + Pb(SO4) =>
ZnSO4 + Pb(NO3)2 = Zn(NO3)2 + Pb(SO4)
CaCl2(aq) + Al2(SO4)3(aq) = CaSO4(s) + AlCl3(aq) =>
3 CaCl2(aq) + Al2(SO4)3(aq) = 3 CaSO4(s) + 2 AlCl3(aq)
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NaOH + H2SO4 = Na2SO4 + O + H =>
2 NaOH + H2SO4 = Na2SO4 + 2 O + 4 H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/20/25
Équations équilibrées sur03/22/24
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