| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CO2H + NaOH = H2O + CH3COONa
Zn + HCI = ZnCI + H =>
Zn + HCI = ZnCI + H
Al(NO3)3 = Al2O3 + NO2 + O2 =>
4 Al(NO3)3 = 2 Al2O3 + 12 NO2 + 3 O2
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
CoO + CO2 = CoO2 + CO =>
CoO + CO2 = CoO2 + CO
Al + HNO3 = Al(NO3)2 + N2O + H2O =>
4 Al + 10 HNO3 = 4 Al(NO3)2 + N2O + 5 H2O
KI + NaClO + H2SO4 = KI3 + Cl2 + Na2SO4 + K2SO4 + H2O =>
3 KI + 2 NaClO + 2 H2SO4 = KI3 + Cl2 + Na2SO4 + K2SO4 + 2 H2O
Na(OH) + FeBr3 = NaBr + Fe(OH)3 =>
3 Na(OH) + FeBr3 = 3 NaBr + Fe(OH)3
Co3{-2} + Ca{+2} = Co3Ca =>
Co3{-2} + Ca{+2} = Co3Ca
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
LiOH + HNO3 = HOH + LiNO3 =>
LiOH + HNO3 = HOH + LiNO3
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
Cr + Pb(NO3)2 = Cr(NO3)3 + Pb =>
2 Cr + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 Pb
IBr(s) + NH3(g) = NI3(s) + NH4Br(s) =>
3 IBr(s) + 4 NH3(g) = NI3(s) + 3 NH4Br(s)
In(s) + I2(s) = In2I6 =>
2 In(s) + 3 I2(s) = In2I6
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb =>
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb
HBr + HS{-} = Br{-} + H2S =>
HBr + HS{-} = Br{-} + H2S
P2S3 + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 P2S3 + 14 K2Cr2O7 + 47 H2SO4 = 6 H3PO4 + 14 K2SO4 + 14 Cr2(SO4)3 + 38 H2O
K2SO + CaCl2 = KCl + CaSO =>
K2SO + CaCl2 = 2 KCl + CaSO
HClO2 + Ca(OH)2 = Ca(ClO2)2 + H2O =>
2 HClO2 + Ca(OH)2 = Ca(ClO2)2 + 2 H2O
C6H8O6 + O2 = H2O + CO =>
C6H8O6 + 2 O2 = 4 H2O + 6 CO
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cr + Fe2O3 = Fe + CrO3 =>
Cr + Fe2O3 = 2 Fe + CrO3
Cr(OH)3 + HCIO = Cr(CIO)3 + H2O =>
Cr(OH)3 + 3 HCIO = Cr(CIO)3 + 3 H2O
Ba + FeCl2 = Fe + BaCl2 =>
Ba + FeCl2 = Fe + BaCl2
(NH4)(ClO4) = N2 + Cl2 + O2 + H2O =>
2(NH4)(ClO4) = N2 + Cl2 + 2 O2 + 4 H2O
K2SO3 + H3PO4 = K3(PO4) + SO2 + H2O =>
3 K2SO3 + 2 H3PO4 = 2 K3(PO4) + 3 SO2 + 3 H2O
HBr + Al2O3 = AlBr3 + H2O =>
6 HBr + Al2O3 = 2 AlBr3 + 3 H2O
N2SO3(aq) + AgNO3(aq) = Ag2SO3(aq) + N2O3(s) =>
N2SO3(aq) + 2 AgNO3(aq) = Ag2SO3(aq) + 2 N2O3(s)
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
Na2 + Pb = NaPb =>
Na2 + 2 Pb = 2 NaPb
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
HI(aq) + NaOH(aq) = NaI(aq) + H2O =>
HI(aq) + NaOH(aq) = NaI(aq) + H2O
Al(OH)3 + HgCl2 = Hg(OH)3 + AlCl2 =>
Al(OH)3 + HgCl2 = Hg(OH)3 + AlCl2
KCO3{-2} + BaCl = KCl + BaCO3{-2} =>
KCO3{-2} + BaCl = KCl + BaCO3{-2}
C6H12O6 + CO2 = CO + H2O =>
C6H12O6 + 6 CO2 = 12 CO + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
Al2O3 + HBr = AlBr3 + H2O =>
Al2O3 + 6 HBr = 2 AlBr3 + 3 H2O
HCOOCH2CH2CH3 + H2O = CH3CH2CH2OH + CH3CH2COOH =>
3 HCOOCH2CH2CH3 + H2O = CH3CH2CH2OH + 3 CH3CH2COOH
FeSO4 + K3[Fe(CN)6] = K2SO4 + KFe[Fe(CN)6] =>
FeSO4 + K3[Fe(CN)6] = K2SO4 + KFe[Fe(CN)6]
Cr(OH4) + H2O2 = CrO4 + H2O =>
Cr(OH4) + 5 H2O2 = CrO4 + 7 H2O
Ag(NO3) + Cl = AgCl + NO3 =>
Ag(NO3) + Cl = AgCl + NO3
FeCl3 + NH4Cl = FeCl2 + HCl + N2 =>
6 FeCl3 + 2 NH4Cl = 6 FeCl2 + 8 HCl + N2
(CH3COO)2Pb + K2CrO4 = PbCrO4 + CH3COOK =>
(CH3COO)2Pb + K2CrO4 = PbCrO4 + 2 CH3COOK
Fe(s) + Cl3(g) = FeCl3(s) =>
Fe(s) + Cl3(g) = FeCl3(s)
BaCl2 + H2SO4 = BaSO4 + H2Cl2 =>
BaCl2 + H2SO4 = BaSO4 + H2Cl2
KHCO3 + NH4NO3 = KNO3 + NH4HCO3 =>
KHCO3 + NH4NO3 = KNO3 + NH4HCO3
KI + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + NaI =>
2 KI + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + 2 NaI
Al + C9H9NO2 + CH3COOH = Al(CH3COO)3 + C9H13N + H2O =>
8 Al + 3 C9H9NO2 + 24 CH3COOH = 8 Al(CH3COO)3 + 3 C9H13N + 6 H2O
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