| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 CH2CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 6 CH3C(O)CH3
C3H8O + I2 + P = C3H7I + HPO3 + H2O =>
10 C3H8O + 5 I2 + 2 P = 10 C3H7I + 2 HPO3 + 4 H2O
Bi2(SO4)3 + (NH4)(OH) = Bi(OH)3 + (NH4)2(SO4) =>
Bi2(SO4)3 + 6(NH4)(OH) = 2 Bi(OH)3 + 3(NH4)2(SO4)
ZnO + Al2O3 = ZnO4 + Al =>
ZnO + Al2O3 = ZnO4 + 2 Al
C13H10 + O2 = CO2 + H2O =>
2 C13H10 + 31 O2 = 26 CO2 + 10 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Sn + HNO3 + HCl = H2SnCl6 + NO + H2O =>
3 Sn + 4 HNO3 + 18 HCl = 3 H2SnCl6 + 4 NO + 8 H2O
LiOH + HOH = LiO + H3O =>
LiOH + HOH = LiO + H3O
NaI + PbO = Na2O + PbI2 =>
2 NaI + PbO = Na2O + PbI2
Cu(OH)2 + HCOH = Cu2O + HCOOH + H2O =>
2 Cu(OH)2 + HCOH = Cu2O + HCOOH + 2 H2O
NaI + PbO = Na2O + PbI2 =>
2 NaI + PbO = Na2O + PbI2
HMnO4 + H2C2O4 = MnC2O4 + CO2 + H2O =>
2 HMnO4 + 7 H2C2O4 = 2 MnC2O4 + 10 CO2 + 8 H2O
Na2CO3 + BaI2 = BaCO3 + NaI =>
Na2CO3 + BaI2 = BaCO3 + 2 NaI
NaI + PbO = Na2O + PbI2 =>
2 NaI + PbO = Na2O + PbI2
CrPO4 + HCl = CrCl3 + H3PO4 =>
CrPO4 + 3 HCl = CrCl3 + H3PO4
FCa = CaF =>
FCa = CaF
Na3PO4 + CH3COOH = NaH2PO4 + C2H3NaO2 =>
Na3PO4 + 2 CH3COOH = NaH2PO4 + 2 C2H3NaO2
NO + H5IO6 = HNO3 + HIO3 + H2O =>
2 NO + 3 H5IO6 = 2 HNO3 + 3 HIO3 + 5 H2O
Sb2S3 + O2 = Sb4O6 + SO6 =>
2 Sb2S3 + 21 O2 = Sb4O6 + 6 SO6
NaOH + Fe3O = NaO + Fe3HO =>
NaOH + Fe3O = NaO + Fe3HO
Sb2O3HNO3 = Sb2O5HNO =>
Sb2O3HNO3 = Sb2O5HNO
CH3CHCH3CH2OH + CUO = CH3CHO + H2O + CU =>
CH3CHCH3CH2OH + 2 CUO = 2 CH3CHO + H2O + 2 CU
H2C4H4O6 + NaOH = C4NaHO4 + H2O =>
H2C4H4O6 + NaOH = C4NaHO4 + 3 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
H2O + NaNO3 = H2 + NaNO4 =>
H2O + NaNO3 = H2 + NaNO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
V(CNO)2 + H2SO4 = HCNO + VSO4 =>
V(CNO)2 + H2SO4 = 2 HCNO + VSO4
FePO4 + HCl = FeCl2 + H2PO4 =>
FePO4 + 2 HCl = FeCl2 + H2PO4
HC2H4O2 + NaOH = NaC2H4O2 + HOH =>
HC2H4O2 + NaOH = NaC2H4O2 + HOH
Ni3(PO4)2 + HCl = Ni + Cl + H3PO4 =>
Ni3(PO4)2 + 6 HCl = 3 Ni + 6 Cl + 2 H3PO4
NH4(Cr2O7)2 + NaBr = NH4Br + Na(Cr2O7)2 =>
NH4(Cr2O7)2 + NaBr = NH4Br + Na(Cr2O7)2
W + KClO4 + SrMoO4 = SrWO4 + MoO3 + KCl =>
4 W + 3 KClO4 + 4 SrMoO4 = 4 SrWO4 + 4 MoO3 + 3 KCl
K3C6H5O7 + H2SO4 = H3C6H5O7 + K2SO4 =>
2 K3C6H5O7 + 3 H2SO4 = 2 H3C6H5O7 + 3 K2SO4
C5H11COOH + C4H9OH = C5H11COOC4H9 + H2O =>
C5H11COOH + C4H9OH = C5H11COOC4H9 + H2O
C6H6CHO + CrO3 + H2SO4 = C6H6COOH + H2O + Cr2(SO4)3 =>
3 C6H6CHO + 2 CrO3 + 3 H2SO4 = 3 C6H6COOH + 3 H2O + Cr2(SO4)3
NiCl2 + Ca(OH)2 = Ni(OH)2 + Cl2Ca =>
NiCl2 + Ca(OH)2 = Ni(OH)2 + Cl2Ca
BaCO3 + HCOOH = H2O + Ba(COOH)2 + CO3 =>
2 BaCO3 + 3 HCOOH = H2O + 2 Ba(COOH)2 + CO3
FeS(s) + HCl(as) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(as) = FeCl2(aq) + H2S(g)
SO2 + Na[Al(OH)4] = NaHSO3 + Al(OH)3 =>
SO2 + Na[Al(OH)4] = NaHSO3 + Al(OH)3
Br{-} + ClNH2 + H2O = Br2 + OH{-} + NH3 + Cl{-} =>
2 Br{-} + ClNH2 + H2O = Br2 + OH{-} + NH3 + Cl{-}
CaO + KH2PO4 = Ca3(PO4)2 + H2O + K2O =>
3 CaO + 2 KH2PO4 = Ca3(PO4)2 + 2 H2O + K2O
[Co(NH3)5(H2O)]Cl3 + HNO3 = [Co(NH3)5(H2O)](NO3)3 + H{+} + Cl{-} =>
[Co(NH3)5(H2O)]Cl3 + 3 HNO3 = [Co(NH3)5(H2O)](NO3)3 + 3 H{+} + 3 Cl{-}
Al(s) + Fe3O4(s) = Al2O3(s) + Fe(s) =>
8 Al(s) + 3 Fe3O4(s) = 4 Al2O3(s) + 9 Fe(s)
KMnO4 + KOH + KI = K2MnO4 + KIO4 + H2O =>
8 KMnO4 + 8 KOH + KI = 8 K2MnO4 + KIO4 + 4 H2O
Zn + (Cr2O7){-2} + H{+} = Zn{2} + Cr{3} + H2O =>
3 Zn + (Cr2O7){-2} + 14 H{+} = 3 Zn{2} + 2 Cr{3} + 7 H2O
Ba(No3)2 + CaCl2 = BaCl2 + Ca(No3)2 =>
Ba(No3)2 + CaCl2 = BaCl2 + Ca(No3)2
((NH4)2)Cr2O7 = Cr2O3 + N2 + H2O =>
((NH4)2)Cr2O7 = Cr2O3 + N2 + 4 H2O
Al2(HCO3)3 + HCl = AlCl3 + H + HCO3 =>
Al2(HCO3)3 + 6 HCl = 2 AlCl3 + 6 H + 3 HCO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
FeCl2 + Br2 + H2O = FeCl3 + HBr + Fe(OH)3 =>
6 FeCl2 + 3 Br2 + 6 H2O = 4 FeCl3 + 6 HBr + 2 Fe(OH)3
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