| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + Ba(OH)2 = Na2BaO2 + 2 H2O
NiSO4 + Li2S = Ni2S + LiSO4 =>
2 NiSO4 + Li2S = Ni2S + 2 LiSO4
AgNO3(aq) + (NH4)2CO3(aq) = Ag2CO3(s) + NH4NO3(aq) =>
2 AgNO3(aq) + (NH4)2CO3(aq) = Ag2CO3(s) + 2 NH4NO3(aq)
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
NH4NO3 + HClO4 = NH3 + H2O + ClO4NO3 =>
5 NH4NO3 + 4 HClO4 = 6 NH3 + 3 H2O + 4 ClO4NO3
BiCl3 + NH3 + H2O = Bi(OH)3 + NH4Cl =>
BiCl3 + 3 NH3 + 3 H2O = Bi(OH)3 + 3 NH4Cl
H + CaAl2Si2O8 + CaMgSi2O6 + Na + CO2 = NaAlSi3O8 + CaCO3 + Mg + H2O =>
2 H + CaAl2Si2O8 + 2 CaMgSi2O6 + 2 Na + 3 CO2 = 2 NaAlSi3O8 + 3 CaCO3 + 2 Mg + H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
FeCl3 + Cu(OH)2 = Fe(OH)3 + CuCl2 =>
2 FeCl3 + 3 Cu(OH)2 = 2 Fe(OH)3 + 3 CuCl2
CH3CH2OH + K2Cr2O7 + HCl = CH3COOH + KCl + CrCl3 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 16 HCl = 3 CH3COOH + 4 KCl + 4 CrCl3 + 11 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
CaSO4 + Cu(OH)2 = Ca(OH)2 + CuSO4 =>
CaSO4 + Cu(OH)2 = Ca(OH)2 + CuSO4
Fe(NO3)3 + KNCS = Fe(NCS)3 + KNO3 =>
Fe(NO3)3 + 3 KNCS = Fe(NCS)3 + 3 KNO3
CaSO3 + HBr = CaBr2 + SO2 + H2O =>
CaSO3 + 2 HBr = CaBr2 + SO2 + H2O
PbSO4(s) + NaC2H3O2(aq) = Na2[Pb(C2H3O2)4](aq) + Na2SO4(aq) =>
PbSO4(s) + 4 NaC2H3O2(aq) = Na2[Pb(C2H3O2)4](aq) + Na2SO4(aq)
Cu(OH)2 + K3PO4 = Cu3(PO4)2 + KOH =>
3 Cu(OH)2 + 2 K3PO4 = Cu3(PO4)2 + 6 KOH
KClO4 + H2SO4 = KHSO4 + HClO4 =>
KClO4 + H2SO4 = KHSO4 + HClO4
K + CrSO4 = K2SO4 + Cr =>
2 K + CrSO4 = K2SO4 + Cr
As3{+} + MnO4 + H = As5{+} + Mn{2+} + H2O =>
5 As3{+} + MnO4 + 8 H = 3 As5{+} + Mn{2+} + 4 H2O
HNO3 + Li2S = LiNO3 + H2S =>
2 HNO3 + Li2S = 2 LiNO3 + H2S
Pb{2+} + KCl = PbCl2 + K{+} =>
Pb{2+} + 2 KCl = PbCl2 + 2 K{+}
Pb + SO = PbSO =>
Pb + SO = PbSO
I2 + (OH){-} = (IO4){-} + I{-} + H2O =>
4 I2 + 8(OH){-} = (IO4){-} + 7 I{-} + 4 H2O
NaOH + Ag3N = AgOH + Na3N =>
3 NaOH + Ag3N = 3 AgOH + Na3N
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
FeSO4 + NaCI = Fe(CI)2 + Na2SO4 =>
FeSO4 + 2 NaCI = Fe(CI)2 + Na2SO4
CaSO4(aq) + Mg(OH)2(aq) = Ca(OH)2(aq) + MgSO4(aq) =>
CaSO4(aq) + Mg(OH)2(aq) = Ca(OH)2(aq) + MgSO4(aq)
KH2PO4 + MnI2 = KH2I2 + MnPO4 =>
KH2PO4 + MnI2 = KH2I2 + MnPO4
HC2H3O2 + AlCl3 = HCl + Al(C2H3O2)3 =>
3 HC2H3O2 + AlCl3 = 3 HCl + Al(C2H3O2)3
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
Pt3(PO3)2 + Al = Pt + AlPO3 =>
Pt3(PO3)2 + 2 Al = 3 Pt + 2 AlPO3
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
NO3{-} + S2O3{2-} + H2O = N2 + SO4{2-} + H{+} =>
8 NO3{-} + 5 S2O3{2-} + H2O = 4 N2 + 10 SO4{2-} + 2 H{+}
H2SO4 + H2O = H4O5S =>
H2SO4 + H2O = H4O5S
S + P = PS =>
S + P = PS
Fe(CN)2 + NaCN = Na4Fe(CN)6 =>
Fe(CN)2 + 4 NaCN = Na4Fe(CN)6
MnO4{3-} + H2O = MnO4{2-} + MnO2 + OH{-} =>
2 MnO4{3-} + 2 H2O = MnO4{2-} + MnO2 + 4 OH{-}
NaCl + HNo3 = NaNo3 + HCl =>
NaCl + HNo3 = NaNo3 + HCl
NaBr(aq) + KI(aq) = KBr(aq) + NaI(aq) =>
NaBr(aq) + KI(aq) = KBr(aq) + NaI(aq)
CO(g) + FeO3(s) = Fe(s) + CO2(g) =>
3 CO(g) + FeO3(s) = Fe(s) + 3 CO2(g)
NaSO{4} + HCl = NaCl + H{2}O + SO{2} =>
NaSO{4} + HCl = NaCl + H{2}O + SO{2}
Ca + M2 = Ca3M2 =>
3 Ca + M2 = Ca3M2
Br3I5 = Br + I =>
Br3I5 = 3 Br + 5 I
C2H7NO2 = H2O + C2H5NO =>
C2H7NO2 = H2O + C2H5NO
Pr6O11 + H3BO3 = PrBO3 + H2O + O2 =>
Pr6O11 + 6 H3BO3 = 6 PrBO3 + 9 H2O + O2
Na2SO3 + KMnO4 + H2O = Na2(SO4) + MnO2 + KOH =>
3 Na2SO3 + 2 KMnO4 + H2O = 3 Na2(SO4) + 2 MnO2 + 2 KOH
KNO3 + PbSO4 = K2SO4 + Pb(NO3)2 =>
2 KNO3 + PbSO4 = K2SO4 + Pb(NO3)2
C2H5OH + PBr5 = C2H5Br + POBr3 + HBr =>
C2H5OH + PBr5 = C2H5Br + POBr3 + HBr
NaOH + H2Co3 = NaHCo3 + H2O =>
NaOH + H2Co3 = NaHCo3 + H2O
(NH4)2Cr2O7 = NH + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH + 6 H2O + 2 Cr2O3 + O2
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