| Équations équilibrées la veille |
4 C6H6COOH + 31 O2 = 28 CO2 + 14 H2O
Sr(NO3)2 + Pb(BrO3)4 = Sr(BrO3)2 + Pb(NO3)4 =>
2 Sr(NO3)2 + Pb(BrO3)4 = 2 Sr(BrO3)2 + Pb(NO3)4
CoBr2 + Ba = Co + BaBr2 =>
CoBr2 + Ba = Co + BaBr2
NaNO2 + HCl + KI = KIO3 + NO + NaCl + H2O =>
6 NaNO2 + 6 HCl + KI = KIO3 + 6 NO + 6 NaCl + 3 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Al + HI2 = AlI3 + H2 =>
4 Al + 6 HI2 = 4 AlI3 + 3 H2
OH = H2O + O2 =>
4 OH = 2 H2O + O2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
CI + AgNO3 = AgCI + NO3 =>
CI + AgNO3 = AgCI + NO3
Li3PO4 + NaNO3 = Li3(NO3)3 + Na3PO4 =>
Li3PO4 + 3 NaNO3 = Li3(NO3)3 + Na3PO4
H3AsO4 + Pb(NO3)2 = HNO3 + PbHAsO4 =>
H3AsO4 + Pb(NO3)2 = 2 HNO3 + PbHAsO4
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
ZnCrO4 + H3AsO4 = Zn3(AsO4)2 + H2CrO4 =>
3 ZnCrO4 + 2 H3AsO4 = Zn3(AsO4)2 + 3 H2CrO4
Al + FeO2 = Al2O3 + Fe =>
4 Al + 3 FeO2 = 2 Al2O3 + 3 Fe
FeS2 + O2 + NaOH = FeOOH + Na2SO4 + H2O =>
4 FeS2 + 15 O2 + 16 NaOH = 4 FeOOH + 8 Na2SO4 + 6 H2O
NiCl2 + KOH = KCl2 + Ni(OH) =>
NiCl2 + KOH = KCl2 + Ni(OH)
NaH2PO4 + Cu = Cu3(PO4)2 + Na3PO4 + H2 =>
3 NaH2PO4 + 3 Cu = Cu3(PO4)2 + Na3PO4 + 3 H2
KI + NH4OH = KOHINH4 =>
KI + NH4OH = KOHINH4
CaCO3 + H2S = CaS + CO2 + H2O =>
CaCO3 + H2S = CaS + CO2 + H2O
ZnBr2 + H2SO4 + KMnO4 = Br2 + MnSO4 + H2O + ZnSO4 + K2SO4 =>
5 ZnBr2 + 8 H2SO4 + 2 KMnO4 = 5 Br2 + 2 MnSO4 + 8 H2O + 5 ZnSO4 + K2SO4
Ba + SO4{-2} = BaSO4{-2} =>
Ba + SO4{-2} = BaSO4{-2}
Cu(OH)2 + CH3COOH = Cu(CH3COO)2 + H2O =>
Cu(OH)2 + 2 CH3COOH = Cu(CH3COO)2 + 2 H2O
C7H14 + O2 = C7H14O =>
2 C7H14 + O2 = 2 C7H14O
KBr + NaOH = KOH + NaBr =>
KBr + NaOH = KOH + NaBr
Cr2O3(s) + Na2CO3(s) + KNO3(s) = Na2CrO4(s) + KNO2(s) + CO2(g) =>
Cr2O3(s) + 2 Na2CO3(s) + 3 KNO3(s) = 2 Na2CrO4(s) + 3 KNO2(s) + 2 CO2(g)
Fe2 + O2 = Fe3O2 =>
3 Fe2 + 2 O2 = 2 Fe3O2
K12 + H = K12H9 =>
K12 + 9 H = K12H9
Cd + CuSO4 = CdSO4 + Cu =>
Cd + CuSO4 = CdSO4 + Cu
Fe2SO43 + NaOH = NaSO43 + Fe2OH =>
Fe2SO43 + NaOH = NaSO43 + Fe2OH
FeSO4 = SO3Fe2O3SO2 =>
2 FeSO4 = SO3Fe2O3SO2
CaCl + AgNo = AgCl + CaNo =>
CaCl + AgNo = AgCl + CaNo
Na(cr) + Cl2(g) = NaCl(cr) =>
2 Na(cr) + Cl2(g) = 2 NaCl(cr)
PB(NO3)2(aq) + (CH3CO2)K(s) = PB(CH3CO2)2(s) + KNO3(aq) =>
PB(NO3)2(aq) + 2(CH3CO2)K(s) = PB(CH3CO2)2(s) + 2 KNO3(aq)
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Pb(NO3)2 + AgNO3 = PbAg + (NO3)2NO3 =>
Pb(NO3)2 + AgNO3 = PbAg + (NO3)2NO3
Sr(OH)2 + CO2 = SrCO3 + H2O =>
Sr(OH)2 + CO2 = SrCO3 + H2O
K2CrO4 + NaNO2 + H2O = KOH + Cr2O3 + NaNO3 =>
2 K2CrO4 + 3 NaNO2 + 2 H2O = 4 KOH + Cr2O3 + 3 NaNO3
FeSO4*7H2O + Na2CO3 = FeCO3 + Na2SO4 + H2O =>
FeSO4*7H2O + Na2CO3 = FeCO3 + Na2SO4 + 7 H2O
C3H6O + O2(g) = CO2(g) + H2O(i) =>
C3H6O + 4 O2(g) = 3 CO2(g) + 3 H2O(i)
C6H8O6 + I3{-} = C6H6O6 + I{-} + H{+} =>
C6H8O6 + I3{-} = C6H6O6 + 3 I{-} + 2 H{+}
Na2MnO4 + NaNO2 + H2O = MnO2 + NaNO3 + NaOH =>
Na2MnO4 + NaNO2 + H2O = MnO2 + NaNO3 + 2 NaOH
C2H5OH + PCl5 = C3H7Cl + POCl3 + HCl =>
3 C2H5OH + 3 PCl5 = 2 C3H7Cl + 3 POCl3 + 4 HCl
MgCl2 + KOH = KCl2 + MgOH =>
MgCl2 + KOH = KCl2 + MgOH
Be(OH)2 + KOH = BeK2O2 + H2O =>
Be(OH)2 + 2 KOH = BeK2O2 + 2 H2O
C6H5OH + Br2 = C6H3Br3OH + HBr =>
2 C6H5OH + 5 Br2 = 2 C6H3Br3OH + 4 HBr
Ba + HCI = BaHCI =>
Ba + HCI = BaHCI
Sn + FeCl2 = Fe2 + Sn2Cl =>
8 Sn + 2 FeCl2 = Fe2 + 4 Sn2Cl
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
K3(Fe(CN)6) + KI = K4(Fe(CN)6) + I2 =>
2 K3(Fe(CN)6) + 2 KI = 2 K4(Fe(CN)6) + I2
C2H4(OH)2 + O2 = CO2 + H2O =>
2 C2H4(OH)2 + 5 O2 = 4 CO2 + 6 H2O
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