| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnO + CuCl2 = ZnCl2 + CuO
HCe + FeS = FeCe2 + H2S =>
2 HCe + FeS = FeCe2 + H2S
Na2SO4 + FeCl3*2H2O = NaCl + Fe2(SO4)3 + H2O =>
3 Na2SO4 + 2 FeCl3*2H2O = 6 NaCl + Fe2(SO4)3 + 4 H2O
Ca{2+} + (SO3){2-} = Ca(SO3) =>
Ca{2+} + (SO3){2-} = Ca(SO3)
Cu(NO3)2 + H2O = HNO3 + CuOHNO3 =>
Cu(NO3)2 + H2O = HNO3 + CuOHNO3
Ca{2+} + (SO3){2-} = Ca(SO3) =>
Ca{2+} + (SO3){2-} = Ca(SO3)
CH3COOH + CuO = Cu(CH3COO)2 + H2O =>
2 CH3COOH + CuO = Cu(CH3COO)2 + H2O
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
S2O3{2-} + I2 + H2O = I{-} + SO4{2-} + H{+} =>
S2O3{2-} + 4 I2 + 5 H2O = 8 I{-} + 2 SO4{2-} + 10 H{+}
C4H5N3O + O2 = CO2 + N2 + H2O =>
4 C4H5N3O + 19 O2 = 16 CO2 + 6 N2 + 10 H2O
BaCrO4 + HNO3 = Ba(NO3)2 + H2Cr2O7 + H2O =>
2 BaCrO4 + 4 HNO3 = 2 Ba(NO3)2 + H2Cr2O7 + H2O
H{+} + Cr2O7{-} + Cl{-} = Cr{3+} + Cl2 + H2O =>
28 H{+} + 2 Cr2O7{-} + 14 Cl{-} = 4 Cr{3+} + 7 Cl2 + 14 H2O
CoCl2 + H2O2 + NaOH = NaCoO4 + NaCl + H2O =>
2 CoCl2 + 5 H2O2 + 6 NaOH = 2 NaCoO4 + 4 NaCl + 8 H2O
C6H10O5 + XO2 = XCO2 + H2O =>
C6H10O5 + 6 XO2 = 6 XCO2 + 5 H2O
CO(NH2)2H2O = CO2 + NH3 =>
CO(NH2)2H2O = CO2 + 2 NH3
C7H8 + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
5 C7H8 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
LiBr = Li2 + Br2 =>
2 LiBr = Li2 + Br2
AlBr3 + PbI2 = AlI3 + PbBr2 =>
2 AlBr3 + 3 PbI2 = 2 AlI3 + 3 PbBr2
Mg(PO4)2 + Ca(OH)2 = Mg(OH)2 + Ca(PO4)2 =>
Mg(PO4)2 + Ca(OH)2 = Mg(OH)2 + Ca(PO4)2
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
Bi(NO3)3 + NaOH = Bi(OH)3 + NaNO3 =>
Bi(NO3)3 + 3 NaOH = Bi(OH)3 + 3 NaNO3
KMnO4 + MnCl2 + HOH = MnO2 + KCl + HCl =>
2 KMnO4 + 3 MnCl2 + 2 HOH = 5 MnO2 + 2 KCl + 4 HCl
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
ZnBr2(aq) + NH4OH(aq) = BrNH4(aq) + Zn(OH)2(s) =>
ZnBr2(aq) + 2 NH4OH(aq) = 2 BrNH4(aq) + Zn(OH)2(s)
AsH3 + KMnO4 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
5 AsH3 + 8 KMnO4 + 12 H2SO4 = 5 H3AsO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
Ca{2+} + (SO3){2-} = Ca(SO3) =>
Ca{2+} + (SO3){2-} = Ca(SO3)
NH4NO3 = HNO3 + H2O + N2 =>
5 NH4NO3 = 2 HNO3 + 9 H2O + 4 N2
Ca{2+} + (SO3){2-} = Ca(SO3) =>
Ca{2+} + (SO3){2-} = Ca(SO3)
SCl2 + Cl2 = SCl6 =>
SCl2 + 2 Cl2 = SCl6
Li + H2 = Li3H =>
6 Li + H2 = 2 Li3H
Y2O3 + BaO2 + CuO = YBa2Cu3O7 + O2 =>
2 Y2O3 + 8 BaO2 + 12 CuO = 4 YBa2Cu3O7 + 3 O2
Br2 + NH3 = NH4Br + NH2 =>
Br2 + 4 NH3 = 2 NH4Br + 2 NH2
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeCl2 + NH3 + H2O = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH3 + 2 H2O = Fe(OH)2 + 2 NH4Cl
FeS + Cl2 = FeCl + S =>
2 FeS + Cl2 = 2 FeCl + 2 S
H2 + CUO = H2O + CU =>
H2 + CUO = H2O + CU
Na3(PO4) + KOH = NaOH + K3(PO4) =>
Na3(PO4) + 3 KOH = 3 NaOH + K3(PO4)
FeSO4 + K2CrO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + H2O + K2SO4 =>
6 FeSO4 + 2 K2CrO4 + 8 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 8 H2O + 2 K2SO4
HBr + H2SO4 = SO2 + HBrO3 + H2O =>
HBr + 3 H2SO4 = 3 SO2 + HBrO3 + 3 H2O
C6H12O6 + MnO4{-} + OH{-} = C6H12O7{-} + MnO2 + H2O =>
3 C6H12O6 + MnO4{-} + 2 OH{-} = 3 C6H12O7{-} + MnO2 + H2O
CO2 + HBr = CBr4 + H2O =>
CO2 + 4 HBr = CBr4 + 2 H2O
C6H5ONa + O2 = CO2 + H2O + Na2CO3 =>
2 C6H5ONa + 14 O2 = 11 CO2 + 5 H2O + Na2CO3
HClO + OH = ClO + H2O =>
HClO + OH = ClO + H2O
HCHO + Ag(NH3)2{+} + OH{-} = HCOONH4{-} + Ag + NH3 + H2O =>
HCHO + Ag(NH3)2{+} + 2 OH{-} = HCOONH4{-} + Ag + NH3 + H2O
S + NaOH = Na2S2O3 + Na2S + H2O =>
4 S + 6 NaOH = Na2S2O3 + 2 Na2S + 3 H2O
Bu(OH)2 + H2SO4 = H2O + BuSO4 =>
Bu(OH)2 + H2SO4 = 2 H2O + BuSO4
FeCl2 + K2CrO7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O + HCl =>
18 FeCl2 + 2 K2CrO7 + 32 H2SO4 = 9 Fe2(SO4)3 + 2 K2SO4 + Cr2(SO4)3 + 14 H2O + 36 HCl
Ba(NO3)2 + Na2CrO4 = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2 + Na2CrO4 = BaCrO4(s) + 2 NaNO3(aq)
Al + H2 = AlH =>
2 Al + H2 = 2 AlH
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Équations équilibrées sur11/11/24
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