| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Rb(s) + 2 H2O(l) = 2 RbOH(aq) + H2
Cd + HBr = CdBr2 + H2 =>
Cd + 2 HBr = CdBr2 + H2
Cu + H{+} + NO3{-} = Cu{2} + NO2 + H2O =>
Cu + 4 H{+} + 2 NO3{-} = Cu{2} + 2 NO2 + 2 H2O
Al + HNO3 = NO2 + Al2O3 + H2O =>
2 Al + 6 HNO3 = 6 NO2 + Al2O3 + 3 H2O
PbO2(s) + HCl = PbCl + Cl2 + H2O =>
2 PbO2(s) + 8 HCl = 2 PbCl + 3 Cl2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr2S3 + HNO3 = Cr(NO3)2 + S + NO + H2O =>
3 Cr2S3 + 16 HNO3 = 6 Cr(NO3)2 + 9 S + 4 NO + 8 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HCOH + Ag2O = Ag2 + HCOOH =>
HCOH + Ag2O = Ag2 + HCOOH
H2 + I2 = HI =>
H2 + I2 = 2 HI
SrCrO4 + CH3COOH = (CH3COO)2Sr + H2CrO4 =>
SrCrO4 + 2 CH3COOH = (CH3COO)2Sr + H2CrO4
HCHO + NaOH + I2 = HCOONa + NaI + H2O =>
HCHO + 3 NaOH + I2 = HCOONa + 2 NaI + 2 H2O
Na2CO3 + La2O3 + SrCO3 + ZrO2 + Nb2O5 = Na33La20Sr33Zr60Nb40O3 + O2 + CO2 =>
66 Na2CO3 + 40 La2O3 + 132 SrCO3 + 240 ZrO2 + 80 Nb2O5 = 4 Na33La20Sr33Zr60Nb40O3 + 593 O2 + 198 CO2
Mn(CN)2 + KOH = Mn(OH)2 + KCN =>
Mn(CN)2 + 2 KOH = Mn(OH)2 + 2 KCN
VOSO4 + H{+} + SO4{2-} + e = V2(SO4)3 + H2O =>
2 VOSO4 + 4 H{+} + SO4{2-} + 2e = V2(SO4)3 + 2 H2O
Ca + Fe{3+} = CaFe{3+} =>
Ca + Fe{3+} = CaFe{3+}
Na2S(aq) + Pb(NO3)2(aq) = PbS(s) + Na2(NO3)2(aq) =>
Na2S(aq) + Pb(NO3)2(aq) = PbS(s) + Na2(NO3)2(aq)
Ce(NO3)3 + Na(OH)3 = Ce(OH)3 + Na(NO3)3 =>
Ce(NO3)3 + Na(OH)3 = Ce(OH)3 + Na(NO3)3
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
As2S + H2SO4 = H3AsO4 + SO2 + H2O =>
As2S + 7 H2SO4 = 2 H3AsO4 + 8 SO2 + 4 H2O
SO2 + SeO2 = Se + SO4 =>
SO2 + SeO2 = Se + SO4
K2Cr2O7 + PbNO3 = Pb2Cr2O7 + KNO3 =>
K2Cr2O7 + 2 PbNO3 = Pb2Cr2O7 + 2 KNO3
Xe + HF = XeF2 + H2 =>
Xe + 2 HF = XeF2 + H2
CaCl2 + NH4OH + Na2HPO4 = Ca10(PO4)6(OH)2 + NH4Cl + NaCl + H2O =>
10 CaCl2 + 8 NH4OH + 6 Na2HPO4 = Ca10(PO4)6(OH)2 + 8 NH4Cl + 12 NaCl + 6 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
HC2H3O2(aq) + CaOH(aq) = CaC2H3O2 + H2O =>
HC2H3O2(aq) + CaOH(aq) = CaC2H3O2 + H2O
Mn + NH3 + H2O = Mn(OH)2 + NH4 =>
Mn + 2 NH3 + 2 H2O = Mn(OH)2 + 2 NH4
Al2O3 + Ca3Al2Si3O12 = CaAl2Si2O8 + Ca2Al2SiO7 =>
Al2O3 + Ca3Al2Si3O12 = CaAl2Si2O8 + Ca2Al2SiO7
Cr + Pb2{+} = Cr3{+} + Pb =>
3 Cr + Pb2{+} = Cr3{+} + 2 Pb
Na2B4O7 + Cr(OH)3 = NaBO2 + Cr(BO2)3 + H2O =>
3 Na2B4O7 + 2 Cr(OH)3 = 6 NaBO2 + 2 Cr(BO2)3 + 3 H2O
Fe2[Fe(CN)6] + O2 + H3O{+} = H2O + Fe4[Fe(CN)6]3 + Fe{3+} =>
6 Fe2[Fe(CN)6] + 3 O2 + 12 H3O{+} = 18 H2O + 2 Fe4[Fe(CN)6]3 + 4 Fe{3+}
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CH3CH2OH + Na[Al(OH)4] = CH3CH2ONa + Al(OH)3 + H2O =>
CH3CH2OH + Na[Al(OH)4] = CH3CH2ONa + Al(OH)3 + H2O
H3BO3 + HF = HBF4 + H2O =>
H3BO3 + 4 HF = HBF4 + 3 H2O
K2CO3(aq) + CaCl2(aq) = CaCO3(s) + KCl =>
K2CO3(aq) + CaCl2(aq) = CaCO3(s) + 2 KCl
FeCl3(aq) + K2CrO4(aq) = Fe2(CrO4)3 + KCl =>
2 FeCl3(aq) + 3 K2CrO4(aq) = Fe2(CrO4)3 + 6 KCl
NaCl + H(OH) = NaH + ClOH =>
NaCl + H(OH) = NaH + ClOH
Al + H2SO4 = Al(SO3)3 + H2O =>
Al + 3 H2SO4 = Al(SO3)3 + 3 H2O
Al + O3 = Al2O3 =>
2 Al + O3 = Al2O3
ZnO + HCI = ZnCIO + H2 =>
2 ZnO + 2 HCI = 2 ZnCIO + H2
H2Br + Cl2 = H2Cl + Br2 =>
2 H2Br + Cl2 = 2 H2Cl + Br2
Cr2O3 + H2O2 + KOH = KCrO4 + H2O =>
Cr2O3 + 4 H2O2 + 2 KOH = 2 KCrO4 + 5 H2O
LiCl + K = Li + KCl =>
LiCl + K = Li + KCl
V + O = VO2 =>
V + 2 O = VO2
KCl + Pb(C2H3O2)2 = PbCl2 + K(C2H3O2) =>
2 KCl + Pb(C2H3O2)2 = PbCl2 + 2 K(C2H3O2)
H2SO4 + NaF = HF + Na2SO4 =>
H2SO4 + 2 NaF = 2 HF + Na2SO4
NO2(aq) + Al(s) + OH(aq) = NH3(g) + AlO2(aq) =>
2 NO2(aq) + 5 Al(s) + 6 OH(aq) = 2 NH3(g) + 5 AlO2(aq)
N2H4 + (IO4){-} = N2 + (IO3){-} + H2O =>
N2H4 + 2(IO4){-} = N2 + 2(IO3){-} + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/31/24
Équations équilibrées sur03/01/23
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