| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H5COCH3 + Br = C2H5COCH2 + HBr
BiO2 + HCl = BiCl4 + H2O =>
BiO2 + 4 HCl = BiCl4 + 2 H2O
NaCIO3 = NaCI + O3 =>
NaCIO3 = NaCI + O3
H2SO4 + KMnO4 = K2SO4 + MnSO4 + O2 + H2O =>
6 H2SO4 + 4 KMnO4 = 2 K2SO4 + 4 MnSO4 + 5 O2 + 6 H2O
NiSO4(aq) + NaOH(aq) = Na2(SO4)(aq) + Ni(OH)2(s) =>
NiSO4(aq) + 2 NaOH(aq) = Na2(SO4)(aq) + Ni(OH)2(s)
K3Po4 + Ca(No3)2 = Ca3(Po4)2 + KNo3 =>
2 K3Po4 + 3 Ca(No3)2 = Ca3(Po4)2 + 6 KNo3
CH3OOH + Mg(OH)2 = Mg(CH3COO)2 + H2O =>
4 CH3OOH + Mg(OH)2 = Mg(CH3COO)2 + 6 H2O
HOH + SO2 = H2SO3 =>
HOH + SO2 = H2SO3
H2PtCl6 + NaBH4 + H2O = Pt + NaCl + B(OH)3 + HCl =>
2 H2PtCl6 + NaBH4 + 3 H2O = 2 Pt + NaCl + B(OH)3 + 11 HCl
Mg(OH)2 + K3PO3 = Mg3(PO3)2 + KOH =>
3 Mg(OH)2 + 2 K3PO3 = Mg3(PO3)2 + 6 KOH
Fe + H2S = FeS + H =>
Fe + H2S = FeS + 2 H
CoSO4 + Na2S = Co2S2 + Na2SO4 =>
2 CoSO4 + 2 Na2S = Co2S2 + 2 Na2SO4
NaCO3(s) = Na(s) + O2(g) + CO2(g) =>
2 NaCO3(s) = 2 Na(s) + O2(g) + 2 CO2(g)
AlCl3 + NaOH + HCl = Na[Al(OH)4(H2O)2] + NaCl =>
AlCl3 + 6 NaOH + 2 HCl = Na[Al(OH)4(H2O)2] + 5 NaCl
CO2(g) + H2O(l) = C6H12O6(aq) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(aq) + 6 O2(g)
HCl + H2O2 = H2O + Cl =>
2 HCl + H2O2 = 2 H2O + 2 Cl
ZnO + HNO3(aq) = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3(aq) = Zn(NO3)2 + H2O
NaBr(aq) + Cl(aq) = NaCl(aq) + Br(d) =>
NaBr(aq) + Cl(aq) = NaCl(aq) + Br(d)
[Ag(NH3)]Cl + NaCl = [Ag(NH3)]Cl2 + Na =>
[Ag(NH3)]Cl + NaCl = [Ag(NH3)]Cl2 + Na
K2MnO4 + KCl + H2O = KClO3 + MnO2 + KOH =>
3 K2MnO4 + KCl + 3 H2O = KClO3 + 3 MnO2 + 6 KOH
Cu{2+} + SO2 + SCN{-} + H2O = CuSCN + SO4{2-} + H{+} =>
2 Cu{2+} + SO2 + 2 SCN{-} + 2 H2O = 2 CuSCN + SO4{2-} + 4 H{+}
Cu(NH3)4 + SO4 = CuSO4 + NH3 =>
Cu(NH3)4 + SO4 = CuSO4 + 4 NH3
Li + I = Li3I2 =>
3 Li + 2 I = Li3I2
Na3VO4 + NH4Cl = (NH4)3VO4 + NaCl =>
Na3VO4 + 3 NH4Cl = (NH4)3VO4 + 3 NaCl
H + CH3Cl = CH4 + Cl =>
H + CH3Cl = CH4 + Cl
H2O + C20H27NO11 = C7H6O + HCN + C6H12O6 =>
2 H2O + C20H27NO11 = C7H6O + HCN + 2 C6H12O6
H2As2O4 + Zn + HCl = AsH3 + ZnCl2 + H2O =>
H2As2O4 + 6 Zn + 12 HCl = 2 AsH3 + 6 ZnCl2 + 4 H2O
FeCe3 + KOH = Fe(OH)3 + KCe =>
FeCe3 + 3 KOH = Fe(OH)3 + 3 KCe
I2 + IH2 = HI =>
I2 + 2 IH2 = 4 HI
H2SO4 + CH3COOH = C2H4SO5 + H2O =>
H2SO4 + CH3COOH = C2H4SO5 + H2O
C12H30O2 + NH4NO3 = H2O + CO2 + N2 =>
C12H30O2 + 37 NH4NO3 = 89 H2O + 12 CO2 + 37 N2
ZnOH + NaOH + H2O = Na2Zn(OH)4 + H2 =>
2 ZnOH + 4 NaOH + 2 H2O = 2 Na2Zn(OH)4 + H2
AgCl + Na2S2O3 = Ag2S2O3 + NaCl =>
2 AgCl + Na2S2O3 = Ag2S2O3 + 2 NaCl
(NH4)2S2O8 + Mg = N2 + H2 + SO2 + MgO =>
(NH4)2S2O8 + 4 Mg = N2 + 4 H2 + 2 SO2 + 4 MgO
CuSO4 + NH4HCO3 = CuCO3 + (NH4)2SO4 + H2O + CO2 =>
CuSO4 + 2 NH4HCO3 = CuCO3 + (NH4)2SO4 + H2O + CO2
Br2(l) + I2(s) = IBr3(g) =>
3 Br2(l) + I2(s) = 2 IBr3(g)
C3H5(NO3)3 = O2 + N2 + H2O + CO2 =>
4 C3H5(NO3)3 = O2 + 6 N2 + 10 H2O + 12 CO2
C5H10Cl2 + NaOH = C5H9Cl + NaCl + H2O =>
C5H10Cl2 + NaOH = C5H9Cl + NaCl + H2O
Ca + K2O = K2CaO =>
Ca + K2O = K2CaO
CrS + O2 = CrO + SO2 =>
2 CrS + 3 O2 = 2 CrO + 2 SO2
Pb + H3PO4 = H2 + PbPO4 =>
2 Pb + 2 H3PO4 = 3 H2 + 2 PbPO4
CH3COONa + FeCl3 + H3PO4 = NaCl + CH3COOH + FePO4 =>
3 CH3COONa + FeCl3 + H3PO4 = 3 NaCl + 3 CH3COOH + FePO4
ZrO3 = ZrO + O2 =>
ZrO3 = ZrO + O2
Zn3(PO4)2 + K = KPO4 + Zn =>
Zn3(PO4)2 + 2 K = 2 KPO4 + 3 Zn
HClO4(aq) + Li2CO3(aq) = H2CO3(aq) + LiCl(aq) + O2 =>
2 HClO4(aq) + Li2CO3(aq) = H2CO3(aq) + 2 LiCl(aq) + 4 O2
BaC2O4 + NaNO3 = Na2C2O4 + Ba(NO3)2 =>
BaC2O4 + 2 NaNO3 = Na2C2O4 + Ba(NO3)2
C6H10O2 + H2 = C6H12O2 =>
C6H10O2 + H2 = C6H12O2
HCN + NO2 = N2 + CO2 + H2O =>
8 HCN + 10 NO2 = 9 N2 + 8 CO2 + 4 H2O
Bi2S3 + HNO3 = Bi(NO3)3 + NO + H2O + S =>
Bi2S3 + 8 HNO3 = 2 Bi(NO3)3 + 2 NO + 4 H2O + 3 S
NaF + Al(OH)3 = NaOH + AlF3 =>
3 NaF + Al(OH)3 = 3 NaOH + AlF3
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Équations équilibrées sur12/20/24
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