| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mn(OH)3 + 2 KI + 6 HCl = 2 MnCl2 + 2 KCl + I2 + 6 H2O
C2H4O + NaHSO4 = NaHSO3 + HCOOH =>
C2H4O + 3 NaHSO4 = 3 NaHSO3 + 2 HCOOH
H2O + CuCl2 + NH3 = NH4 + Cu(OH)2 + Cl =>
2 H2O + CuCl2 + 2 NH3 = 2 NH4 + Cu(OH)2 + 2 Cl
HgO + O2 = Hg2O3 =>
4 HgO + O2 = 2 Hg2O3
NH4OH + Cu = [Cu(NH3)4] + H2O =>
4 NH4OH + Cu = [Cu(NH3)4] + 4 H2O
Al(s) + HCl(s) = AlCl3(s) + H(s) =>
Al(s) + 3 HCl(s) = AlCl3(s) + 3 H(s)
KMnO4 + HCl + Na2SO3 = Na2SO4 + KCl + H2O + MnCl2 =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 5 Na2SO4 + 2 KCl + 3 H2O + 2 MnCl2
C2H4O + NaHSO4 = NaHSO3 + HCOOH =>
C2H4O + 3 NaHSO4 = 3 NaHSO3 + 2 HCOOH
MgO + CuO = MgCu + O =>
MgO + CuO = MgCu + 2 O
Pb3O4 = Pb + O2 =>
Pb3O4 = 3 Pb + 2 O2
Co3NO3 + H2SO4 = Co2S3 + NO3 + H2O + O2 =>
4 Co3NO3 + 18 H2SO4 = 6 Co2S3 + 4 NO3 + 18 H2O + 27 O2
Sr(s) + I2(g) = SrI2 =>
Sr(s) + I2(g) = SrI2
KMnO4 + C2H6O + H2SO4 = Mn + K2SO4 + C2H4O2 + H2O =>
4 KMnO4 + 7 C2H6O + 2 H2SO4 = 4 Mn + 2 K2SO4 + 7 C2H4O2 + 9 H2O
Cu(NO3)2*3H2O = Cu + NO2 + O2 + H2O =>
Cu(NO3)2*3H2O = Cu + 2 NO2 + O2 + 3 H2O
AgNO3(base) + NOCl(acid) = AgCl(salt) + N2O4 =>
AgNO3(base) + NOCl(acid) = AgCl(salt) + N2O4
C2H4O + NaHSO4 = NaHSO3 + HCOOH =>
C2H4O + 3 NaHSO4 = 3 NaHSO3 + 2 HCOOH
KClO + HBr = KH + ClOBr =>
KClO + HBr = KH + ClOBr
C2H4O + NaHSO4 = NaHSO3 + HCOOH =>
C2H4O + 3 NaHSO4 = 3 NaHSO3 + 2 HCOOH
Pb + KSCN = Pb(KSCN)2 =>
Pb + 2 KSCN = Pb(KSCN)2
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
Sb2S3 + OH{-} = SbOS{-} + SbS2{-} + H2O =>
Sb2S3 + 2 OH{-} = SbOS{-} + SbS2{-} + H2O
Sn{2+} = Sn{4+} + e =>
Sn{2+} = Sn{4+} + 2e
Br2 + FeCl3 = Fe + BrCl =>
3 Br2 + 2 FeCl3 = 2 Fe + 6 BrCl
C2H4O + NaHSO4 = NaHSO3 + HCOOH =>
C2H4O + 3 NaHSO4 = 3 NaHSO3 + 2 HCOOH
MnO4{-} + H2O + C2O4{-2} = MnO2 + CO3{-2} + H{+} =>
2 MnO4{-} + 2 H2O + 3 C2O4{-2} = 2 MnO2 + 6 CO3{-2} + 4 H{+}
Cr(s) + HBr(aq) = CrBr + H =>
Cr(s) + HBr(aq) = CrBr + H
Cl + C2H4 = HCl + C =>
4 Cl + C2H4 = 4 HCl + 2 C
KI = K + I2 =>
2 KI = 2 K + I2
(MnO4){-} + Fe{+2} + H{+} = Mn{+2} + Fe{+3} + H2O =>
(MnO4){-} + 5 Fe{+2} + 8 H{+} = Mn{+2} + 5 Fe{+3} + 4 H2O
Rb2SO4 + Ca(ClO3)2 = CaSO4 + RbClO3 =>
Rb2SO4 + Ca(ClO3)2 = CaSO4 + 2 RbClO3
CuCl2 + DMSO = CuCl2DMSO =>
CuCl2 + DMSO = CuCl2DMSO
SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K(SO4) + H2O =>
2 SO2 + K2Cr2O7 + 3 H2SO4 = Cr2(SO4)3 + 2 K(SO4) + 3 H2O
H3PO4 + Cr(OH)3 = (CrOH)(H2PO4)2 + H2O =>
2 H3PO4 + Cr(OH)3 = (CrOH)(H2PO4)2 + 2 H2O
P + NaOH = NaP + Na3PO4 + H2O =>
6 P + 8 NaOH = 5 NaP + Na3PO4 + 4 H2O
NaHCO3 = CO2 + H2O + CNa2O3 =>
2 NaHCO3 = CO2 + H2O + CNa2O3
H4C18 + O2 = CO2 + H2O =>
H4C18 + 19 O2 = 18 CO2 + 2 H2O
C7H8NO2 + KMnO4 + H2SO4 = C7H5NO4 + MnSO4 + K2SO4 + H2O =>
10 C7H8NO2 + 14 KMnO4 + 21 H2SO4 = 10 C7H5NO4 + 14 MnSO4 + 7 K2SO4 + 36 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NO3 + Na =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NO3 + 2 Na
Ca(OH2) + NH4NO3 = NH3 + H2O + Ca(NO3)2 =>
4 Ca(OH2) + 9 NH4NO3 = 10 NH3 + 7 H2O + 4 Ca(NO3)2
MgI2 + H2O = Mg(OH)2 + HI =>
MgI2 + 2 H2O = Mg(OH)2 + 2 HI
Pu(NO3)2 + H2O = Pu(OH)2 + HNO3 =>
Pu(NO3)2 + 2 H2O = Pu(OH)2 + 2 HNO3
KMnO4 + NaHSO4 + H2SO4 = MnSO4 + K2SO4 + NaSO4 + H2O =>
2 KMnO4 + 10 NaHSO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 NaSO4 + 8 H2O
CH4 + KMnO4 = MnO2 + H2O + K2O + C =>
3 CH4 + 4 KMnO4 = 4 MnO2 + 6 H2O + 2 K2O + 3 C
CO2(g) + H2O(l) = CO2H2O =>
CO2(g) + H2O(l) = CO2H2O
Mn2O3 = O2 + Mn3O4 =>
6 Mn2O3 = O2 + 4 Mn3O4
HC6H7O6 + O2 = H2O + C6H7O6 =>
4 HC6H7O6 + O2 = 2 H2O + 4 C6H7O6
C13H28 + O2(g) = CO2(g) + H2O(g) =>
C13H28 + 20 O2(g) = 13 CO2(g) + 14 H2O(g)
CuCl2(aq) + Na2CO3(aq) = Na2Cl2(aq) + CuCO3(aq) =>
CuCl2(aq) + Na2CO3(aq) = Na2Cl2(aq) + CuCO3(aq)
K2Cr2O7 + C6H12O6 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
4 K2Cr2O7 + C6H12O6 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 6 CO2 + 22 H2O
HgBr2 + Cl2 = HgCl2 + Br2 =>
HgBr2 + Cl2 = HgCl2 + Br2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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