| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NO2 + CH4 = CO2 + N2 + 2 H2O
Pb(aq) + HCl(aq) = PbCl2 + H =>
Pb(aq) + 2 HCl(aq) = PbCl2 + 2 H
CaCO3 + H2CO3 = Ca + HCO3 =>
CaCO3 + H2CO3 = Ca + 2 HCO3
H{+} + NO3{-} + I{-} = I2 + NO + H2O =>
8 H{+} + 2 NO3{-} + 6 I{-} = 3 I2 + 2 NO + 4 H2O
(CaCl2)(aq) + (NH3)(aq) = Ca3N2(aq) + HCl(aq) =>
3(CaCl2)(aq) + 2(NH3)(aq) = Ca3N2(aq) + 6 HCl(aq)
CuO + C16H34 = CO2 + H2O + Cu =>
49 CuO + C16H34 = 16 CO2 + 17 H2O + 49 Cu
CaAl2O4 + H2O = Ca(OH)2 + Al2O3 =>
CaAl2O4 + H2O = Ca(OH)2 + Al2O3
Y100Ba200Cu300O678 + H100Cl100 = Cu100Cl200 + H200O100 + Y100Cl300 + Ba100Cl200 + Cl200 =>
50 Y100Ba200Cu300O678 + 678 H100Cl100 = 150 Cu100Cl200 + 339 H200O100 + 50 Y100Cl300 + 100 Ba100Cl200 + 14 Cl200
Li2SO4 + BaBr2 = Li2Br2 + BaSO4 =>
Li2SO4 + BaBr2 = Li2Br2 + BaSO4
Na2CO3 + K2SO4 = K2CO3 + Na2SO4 =>
Na2CO3 + K2SO4 = K2CO3 + Na2SO4
SO3 + CsOH = Cs2SO4 + H2O =>
SO3 + 2 CsOH = Cs2SO4 + H2O
FeCl3 + NH4H = Fe(H)3 + NH4Cl =>
FeCl3 + 3 NH4H = Fe(H)3 + 3 NH4Cl
K2CO3 + HClO3 = KClO3 + H2CO3 =>
K2CO3 + 2 HClO3 = 2 KClO3 + H2CO3
KCl2O3 = KCl2 + O3 =>
KCl2O3 = KCl2 + O3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
CuS + FeO = CuO + FeS =>
CuS + FeO = CuO + FeS
CuS + HNO3 = CuNO6 + NO + S + H2O =>
3 CuS + 10 HNO3 = 3 CuNO6 + 7 NO + 3 S + 5 H2O
Mn{2+}(aq) + O2(g) + OH{-}(aq) = MnO2(s) + H2O(l) =>
2 Mn{2+}(aq) + O2(g) + 4 OH{-}(aq) = 2 MnO2(s) + 2 H2O(l)
K + ZnCl2 = KZn + Cl2 =>
K + ZnCl2 = KZn + Cl2
NaHCO3 + KOH = NaCK + O2 + H =>
NaHCO3 + KOH = NaCK + 2 O2 + 2 H
C7H16 + Br2 = C7H15 + HBr =>
2 C7H16 + Br2 = 2 C7H15 + 2 HBr
Fe(OH)3 + C2H3O2H = Fe(C2H3O2)3 + H2O =>
Fe(OH)3 + 3 C2H3O2H = Fe(C2H3O2)3 + 3 H2O
Ca(C2H3O2)2 + Na2CO3 = CCaO3 + C2H3NaO2 =>
Ca(C2H3O2)2 + Na2CO3 = CCaO3 + 2 C2H3NaO2
Br2 + CCl4 = CClBr + Cl =>
Br2 + 2 CCl4 = 2 CClBr + 6 Cl
Na2S2O3 + Br2 = NaBr + Na2S4O6 =>
2 Na2S2O3 + Br2 = 2 NaBr + Na2S4O6
C6H5NHCOCH3 + HCl = H2O + C6H5NCCH3Cl =>
C6H5NHCOCH3 + HCl = H2O + C6H5NCCH3Cl
PbO + NaBr = PbBr2 + Na2O =>
PbO + 2 NaBr = PbBr2 + Na2O
AlC3 + H2O = Al(OH)3 + CH4 + O2 =>
4 AlC3 + 30 H2O = 4 Al(OH)3 + 12 CH4 + 9 O2
Ba(OH)2(aq) + K2SO4(aq) = BaSO4 + KOH =>
Ba(OH)2(aq) + K2SO4(aq) = BaSO4 + 2 KOH
K2O(s) + HI(aq) = KI(aq) + H2O(l) =>
K2O(s) + 2 HI(aq) = 2 KI(aq) + H2O(l)
Ba(ClO3)2 + Cr2O3 + Ba(OH)2 = BaCrO4 + BaCl2 + H2O =>
Ba(ClO3)2 + 2 Cr2O3 + 4 Ba(OH)2 = 4 BaCrO4 + BaCl2 + 4 H2O
Pb(OH)2 + Ba(OH)2 = Ba[Pb(OH)4] =>
Pb(OH)2 + Ba(OH)2 = Ba[Pb(OH)4]
[AuCl4]{-} + Cu = Au + Cl{-} + Cu{+2} =>
2[AuCl4]{-} + 3 Cu = 2 Au + 8 Cl{-} + 3 Cu{+2}
HClO + RbOH = H2ORbClO =>
HClO + RbOH = H2ORbClO
H2Se + Ba(OH)2 = H2O + BaSe =>
H2Se + Ba(OH)2 = 2 H2O + BaSe
NaHSO3 + O2 = Na2SO4 + SO2 + H2O =>
4 NaHSO3 + O2 = 2 Na2SO4 + 2 SO2 + 2 H2O
FeSO4 + H2O2 + H2SO4 = Fe2(SO4)3 + H2O =>
2 FeSO4 + H2O2 + H2SO4 = Fe2(SO4)3 + 2 H2O
Na2SO4 + KCI = NaCI + K2SO4 =>
Na2SO4 + 2 KCI = 2 NaCI + K2SO4
NaHSO3 + O2 = Na2SO4 + SO2 + H2O =>
4 NaHSO3 + O2 = 2 Na2SO4 + 2 SO2 + 2 H2O
I2 + KClO3 + HCl = ICl3 + KCl + H2O =>
I2 + KClO3 + 6 HCl = 2 ICl3 + KCl + 3 H2O
S8 + H2Se = H2S + SSe2 =>
3 S8 + 16 H2Se = 16 H2S + 8 SSe2
H3PO4 + NH3 = (NH4)3PO4 = =>
H3PO4 + 3 NH3 = (NH4)3PO4
BeO + Na2O = Be + NaO2 =>
3 BeO + Na2O = 3 Be + 2 NaO2
SbH3 + KOH + H2O = K[Sb(OH)4] + H2 =>
SbH3 + KOH + 3 H2O = K[Sb(OH)4] + 3 H2
ZnS + H2SO4 = H2S + SO2 + ZnO =>
4 ZnS + 3 H2SO4 = 3 H2S + 4 SO2 + 4 ZnO
B(OH)3 + HF = BF3 + H2O =>
B(OH)3 + 3 HF = BF3 + 3 H2O
FeO4(s) = Fe2O3(s) + O2(g) =>
4 FeO4(s) = 2 Fe2O3(s) + 5 O2(g)
[Cu(NH3)4](ClO3)2 = N2 + H2O + CuCl2 =>
[Cu(NH3)4](ClO3)2 = 2 N2 + 6 H2O + CuCl2
NH4Br + Ba(OH)2 = NH3 + BaBr2 + H2O =>
2 NH4Br + Ba(OH)2 = 2 NH3 + BaBr2 + 2 H2O
K + H2C4H4O6 = KHC4H4O6 + H =>
K + H2C4H4O6 = KHC4H4O6 + H
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Équations équilibrées sur01/01/25
Équations équilibrées sur01/31/24
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