| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO3 + Ca(OH)2 = CaSO3 + 2 H2O
Zn + AgNO3 = ZnO + AgNO2 =>
Zn + AgNO3 = ZnO + AgNO2
Fr(s) + H2S(g) = Fr2S(s) + H2(g) =>
2 Fr(s) + H2S(g) = Fr2S(s) + H2(g)
Cr2O3 + NO3{-} + OH{-} = CrO4{2-} + NO2{-} + H2O =>
Cr2O3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{2-} + 3 NO2{-} + 2 H2O
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
Ru(OH)2 + H2SO4(s) = Ru2(SO4)2(k) + H2O(s) =>
2 Ru(OH)2 + 2 H2SO4(s) = Ru2(SO4)2(k) + 4 H2O(s)
Na3(PO4) + CuSO4 = Cu3(PO4)2 + Na2SO4 =>
2 Na3(PO4) + 3 CuSO4 = Cu3(PO4)2 + 3 Na2SO4
FeSO3(s) = Fe(s) + Fe2(SO3)3(s) =>
3 FeSO3(s) = Fe(s) + Fe2(SO3)3(s)
H2SO4(ac) + Al(s) = H2(g) + Al2(SO4)3(ac) =>
3 H2SO4(ac) + 2 Al(s) = 3 H2(g) + Al2(SO4)3(ac)
CoCl2 + NH4Cl + NH4OH + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2 + 2 NH4Cl + 8 NH4OH + H2O2 = 2[Co(NH3)5Cl]Cl2 + 10 H2O
Ba(NO3)2 + K2CrO4 + H2O = Ba(HCrO4)2 + HNO3 + KOH =>
Ba(NO3)2 + 2 K2CrO4 + 4 H2O = Ba(HCrO4)2 + 2 HNO3 + 4 KOH
Sr + H3PO4 = H3 + Sr3(PO4)2 =>
3 Sr + 2 H3PO4 = 2 H3 + Sr3(PO4)2
Al3 + Fe3O = Al3O + Fe3 =>
Al3 + Fe3O = Al3O + Fe3
CoCl2 + KNO2 + H2SO4 = K3[Co(NO2)6] + K2SO4 + HCl + NO + H2O =>
CoCl2 + 7 KNO2 + 2 H2SO4 = K3[Co(NO2)6] + 2 K2SO4 + 2 HCl + NO + H2O
NaBr + H2SO4 + NaBrO2 = Br2 + Na2SO4 + H2O =>
3 NaBr + 2 H2SO4 + NaBrO2 = 2 Br2 + 2 Na2SO4 + 2 H2O
H2O = H3O{+} + HO{-} =>
2 H2O = H3O{+} + HO{-}
C2H + H2 = C2H6 =>
2 C2H + 5 H2 = 2 C2H6
CH2ClCOOH + H2O = CH2OHCOOH + HCl =>
CH2ClCOOH + H2O = CH2OHCOOH + HCl
S{2-} + H2O = SH{-} + OH{-} =>
S{2-} + H2O = SH{-} + OH{-}
C5H12 + Cl2 = C + HCl =>
C5H12 + 6 Cl2 = 5 C + 12 HCl
K2SO4 + Ba = K + BaSO4 =>
K2SO4 + Ba = 2 K + BaSO4
HCl + NaHCO3 = NaCl + H2O + CO2 =>
HCl + NaHCO3 = NaCl + H2O + CO2
CH2ClCOOH + H2O = CH2OHCOOH + HCl =>
CH2ClCOOH + H2O = CH2OHCOOH + HCl
As2O3 + IO4{-} + OH{-} = AsO4{3-} + IO3({-}) + H2O =>
As2O3 + 2 IO4{-} + 6 OH{-} = 2 AsO4{3-} + 2 IO3({-}) + 3 H2O
S + Cl2 = SCl6 =>
S + 3 Cl2 = SCl6
CdCl + K3PO4 = K + Cl + Cd3(PO4)2 =>
3 CdCl + 2 K3PO4 = 6 K + 3 Cl + Cd3(PO4)2
NH3 + O = N2O3 + H2O =>
2 NH3 + 6 O = N2O3 + 3 H2O
H3PO3 + (NH4)2MoO4 + HNO3 = (NH4)3PO4(MoO3)12 + NH4NO3 + H2O =>
4 H3PO3 + 48(NH4)2MoO4 + 86 HNO3 = 4(NH4)3PO4(MoO3)12 + 85 NH4NO3 + 47 H2O
C8H14O4 + O2 = CO2 + H2O =>
2 C8H14O4 + 19 O2 = 16 CO2 + 14 H2O
Na2CrO4 + H2SO4 = Na2SO4 + Na2Cr2O7 + H2O =>
2 Na2CrO4 + H2SO4 = Na2SO4 + Na2Cr2O7 + H2O
MgCl2 + (NH4)2CO3 = Mg2(CO3)2 + NH4Cl =>
2 MgCl2 + 2(NH4)2CO3 = Mg2(CO3)2 + 4 NH4Cl
MnO2 + OH{-} = MnO4{-} + H2O + e =>
MnO2 + 4 OH{-} = MnO4{-} + 2 H2O + 3e
FeS2 + HCl = FeCl2 + H2S + S =>
FeS2 + 2 HCl = FeCl2 + H2S + S
MnO2 + OH{-} = MnO4{-} + H2O + e =>
MnO2 + 4 OH{-} = MnO4{-} + 2 H2O + 3e
Al(s) + PbSO4(s) = Al(SO4)3(aq) + Pb(s) =>
Al(s) + 3 PbSO4(s) = Al(SO4)3(aq) + 3 Pb(s)
SO4 + NO3 = SO4NO3 =>
SO4 + NO3 = SO4NO3
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
HCOH + Br2 + H2O = HCOOH + HBr =>
HCOH + Br2 + H2O = HCOOH + 2 HBr
In + HCl = InCl3 + H2 =>
2 In + 6 HCl = 2 InCl3 + 3 H2
K2CrO4 + SnSO4 + KOH + H2O = K2[Sn(OH)6] + K2(Cr(OH)6) + K2SO4 =>
K2CrO4 + SnSO4 + 4 KOH + 4 H2O = K2[Sn(OH)6] + K2(Cr(OH)6) + K2SO4
H2SO + LiOH = H2O + Li2SO =>
H2SO + 2 LiOH = 2 H2O + Li2SO
H2C2O4 + KMnO4 = CO2 + K2O + MnO3 + H2O =>
H2C2O4 + 2 KMnO4 = 2 CO2 + K2O + 2 MnO3 + H2O
Cr + N2 = Cr2N3 =>
4 Cr + 3 N2 = 2 Cr2N3
Cr(NO3)2 + HNO3 = Cr(NO3)3 + H2O + NO =>
3 Cr(NO3)2 + 4 HNO3 = 3 Cr(NO3)3 + 2 H2O + NO
CO2 + Br2 = Br2O5 + CO =>
5 CO2 + Br2 = Br2O5 + 5 CO
Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
Cu(NO3)2 + Li = Li(NO3)2 + Cu =>
Cu(NO3)2 + Li = Li(NO3)2 + Cu
Na2CO3 + Cl2 = NaCl + NaClO3 + CO2 =>
3 Na2CO3 + 3 Cl2 = 5 NaCl + NaClO3 + 3 CO2
ZnSO4 + CoCl2 = ZnCl2 + CoSO4 =>
ZnSO4 + CoCl2 = ZnCl2 + CoSO4
CH3{-}CH2{-}OH + KMnO4 + KOH = CH{-}C + K2MnO4 + H2O =>
CH3{-}CH2{-}OH + 2 KMnO4 + 2 KOH = CH{-}C + 2 K2MnO4 + 2 H2O
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Équations équilibrées sur12/12/23
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