| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H5COOH + HCl = ClC2H4COOH + H2
ICl3 + NaBr = NaI + Br2 + Cl2 =>
2 ICl3 + 2 NaBr = 2 NaI + Br2 + 3 Cl2
Pb(NO3)2 + Na2I = Na(NO3)(aq) + PbI(s) =>
Pb(NO3)2 + Na2I = 2 Na(NO3)(aq) + PbI(s)
N{2+} = N{4+} + e =>
N{2+} = N{4+} + 2e
Al + BaCO3 = Ba2 + AlCO3 =>
2 Al + 2 BaCO3 = Ba2 + 2 AlCO3
C6H12O6 + Ca(NO3)2 = CO2 + H2O + CaCO3 + N2 =>
5 C6H12O6 + 12 Ca(NO3)2 = 18 CO2 + 30 H2O + 12 CaCO3 + 12 N2
LiBr + Al(NO3)3 = LiNO3 + AlBr3 =>
3 LiBr + Al(NO3)3 = 3 LiNO3 + AlBr3
C3H8O3 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 C3H8O3 + 14 KMnO4 + 21 H2SO4 = 15 CO2 + 7 K2SO4 + 14 MnSO4 + 41 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Na2SiO3 + C2H5OH = Na2OH + C2H5(SiO3) =>
Na2SiO3 + C2H5OH = Na2OH + C2H5(SiO3)
Fe(OH)3 + H = Fe2 + H2O =>
2 Fe(OH)3 + 6 H = Fe2 + 6 H2O
Mg + H3NO3 = Mg(NO3)2 + NH4NO3 + H2O =>
2 Mg + 10 H3NO3 = 2 Mg(NO3)2 + 3 NH4NO3 + 9 H2O
C12H20 + KMnO4 + H2SO4 = C8H8O4 + K2SO4 + H2O + MnSO4 =>
2 C12H20 + 8 KMnO4 + 12 H2SO4 = 3 C8H8O4 + 4 K2SO4 + 20 H2O + 8 MnSO4
Al(NO3)3 + NaOH = Na[Al(OH)4](aq) + NaNO3(aq) =>
Al(NO3)3 + 4 NaOH = Na[Al(OH)4](aq) + 3 NaNO3(aq)
C3H4 + O2 = CO + H =>
2 C3H4 + 3 O2 = 6 CO + 8 H
HClO4 + OH = ClO4 + H3O =>
2 HClO4 + OH = 2 ClO4 + H3O
Sr(NO3) + Na2(HPO4) = Sr(HPO4) + Na2(NO3) =>
Sr(NO3) + Na2(HPO4) = Sr(HPO4) + Na2(NO3)
C3H4 + Cl2 = CCl4 + HCl =>
C3H4 + 8 Cl2 = 3 CCl4 + 4 HCl
Li3P + K2Cr2O7 + HCl = CrCl + KCl + Li3PO4 + H2O =>
5 Li3P + 4 K2Cr2O7 + 16 HCl = 8 CrCl + 8 KCl + 5 Li3PO4 + 8 H2O
KHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + KCl =>
KHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + KCl
Mn + Sn = Mn3Sn2 =>
3 Mn + 2 Sn = Mn3Sn2
Ag{+} + Br{-} = AgBr =>
Ag{+} + Br{-} = AgBr
Fe + NaCl = FeCl2 + Na =>
Fe + 2 NaCl = FeCl2 + 2 Na
Cu2O(s) + O2(g) = CuO(s) =>
2 Cu2O(s) + O2(g) = 4 CuO(s)
KMnO4 + C12H22O11 + NaOH = C6H11O7Na + K2MnO4 + MnO2 + H2O =>
2 KMnO4 + C12H22O11 + 2 NaOH = 2 C6H11O7Na + K2MnO4 + MnO2 + H2O
HN3 + H2S = (NH4)2S + S =>
2 HN3 + 11 H2S = 3(NH4)2S + 8 S
Cr2S3 + Mn(NO3)2 + Na2CO3 = Na2CrO4 + NaSO4 + Na2MnO4 + NO + CO2 =>
2 Cr2S3 + 33 Mn(NO3)2 + 40 Na2CO3 = 4 Na2CrO4 + 6 NaSO4 + 33 Na2MnO4 + 66 NO + 40 CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + H2O = Cl{-} + ClO2{-} + H{+} =>
2 Cl2 + 2 H2O = 3 Cl{-} + ClO2{-} + 4 H{+}
Zn + H3O{+} = Zn{2+} + H2 + H2O =>
Zn + 2 H3O{+} = Zn{2+} + H2 + 2 H2O
KMnO4 + C12H22O11 + NaOH = C6H11O7Na + K2MnO4 + MnO2 + H2O =>
2 KMnO4 + C12H22O11 + 2 NaOH = 2 C6H11O7Na + K2MnO4 + MnO2 + H2O
Cr + CrOH = CrCrOH =>
Cr + CrOH = CrCrOH
ZnO + HSO4 = ZnSO4 + H2O2 =>
2 ZnO + 2 HSO4 = 2 ZnSO4 + H2O2
S + HNO3 = H2SO4 + NO2 + H8O =>
7 S + 30 HNO3 = 7 H2SO4 + 30 NO2 + 2 H8O
CH3COOH + HNO3 = CH2COO + H3O + NO =>
5 CH3COOH + 2 HNO3 = 5 CH2COO + 4 H3O + 2 NO
Fe + Ag2SO4 = FeSO4 + Ag =>
Fe + Ag2SO4 = FeSO4 + 2 Ag
Cr2(SO3)3 + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 SO2 + 3 H2O
CaF2*3Ca3(PO4)2 + H2SO4 + H2O = HF + H3PO4 + CaSO4*2H2O =>
CaF2*3Ca3(PO4)2 + 10 H2SO4 + 20 H2O = 2 HF + 6 H3PO4 + 10 CaSO4*2H2O
Al + Ba(NO3)2 = Al(NO3) + Ba2 =>
4 Al + 2 Ba(NO3)2 = 4 Al(NO3) + Ba2
CuSO4 + PbCl2 = CuCl2 + Pb2(SO4)2 =>
2 CuSO4 + 2 PbCl2 = 2 CuCl2 + Pb2(SO4)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AgNO3 + Na2(CO3) = Ag2CO3 + Na(NO3) =>
2 AgNO3 + Na2(CO3) = Ag2CO3 + 2 Na(NO3)
Br2 + F2 = Br2F3 =>
2 Br2 + 3 F2 = 2 Br2F3
Mn(OH)2 + O2 = (MnO2H2O) =>
2 Mn(OH)2 + O2 = 2(MnO2H2O)
CrO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
2 CrO3 + 6 FeSO4 + 6 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 6 H2O
CH3CHCHCH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CHCHCH3 + 8 KMnO4 + 16 H2O = 8 MnO2 + 12 CH3CH(OH)CH2(OH) + 8 KOH
Cu(OH)2 + HBrO = H2O + Cu(BrO)2 =>
Cu(OH)2 + 2 HBrO = 2 H2O + Cu(BrO)2
NaClO3 + H2SO4 = NaHSO4 + O2 + ClO2 + H2O =>
4 NaClO3 + 4 H2SO4 = 4 NaHSO4 + O2 + 4 ClO2 + 2 H2O
KClO2 = KClO4 + KCl =>
2 KClO2 = KClO4 + KCl
C6H13Cl + Na2 = C12H26 + NaCl =>
2 C6H13Cl + Na2 = C12H26 + 2 NaCl
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Équations équilibrées sur04/21/25
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