| Équations équilibrées la veille |
NaCH3COO + HCl = NaCl + HCH3COO
(NH2)2CO + Na2CO3 = NaCNO + NH3 + CO2 =>
3(NH2)2CO + Na2CO3 = 2 NaCNO + 4 NH3 + 2 CO2
K2S2O8 + AgNO3 = KNO3 + AgO + SO2 + O2 =>
K2S2O8 + 2 AgNO3 = 2 KNO3 + 2 AgO + 2 SO2 + O2
NaF + Cl2 = NaCl + F =>
2 NaF + Cl2 = 2 NaCl + 2 F
HNO3 + KBr = KOH + BrNO2 =>
HNO3 + KBr = KOH + BrNO2
HBr + Fe(OH)3 = FeBr3 + H2O =>
3 HBr + Fe(OH)3 = FeBr3 + 3 H2O
Cr2O7 + OH = CrO4 + H2O =>
Cr2O7 + 2 OH = 2 CrO4 + H2O
Sb + H2S = Sb2S3 + H =>
2 Sb + 3 H2S = Sb2S3 + 6 H
CoCl2(aq) + NaOH(aq) = Co(OH)Cl + NaCl =>
CoCl2(aq) + NaOH(aq) = Co(OH)Cl + NaCl
NaClO4 + (NH4)2S = NH4ClO4 + Na2S =>
2 NaClO4 + (NH4)2S = 2 NH4ClO4 + Na2S
ClO4{-} + I{-} = ClO{-} + IO3{-} =>
ClO4{-} + I{-} = ClO{-} + IO3{-}
AlCl3O9 = AlCl3 + O =>
AlCl3O9 = AlCl3 + 9 O
NH3 + Pb(NO3)2 + H2O = NH4NO3 + Pb =>
10 NH3 + 4 Pb(NO3)2 + 3 H2O = 9 NH4NO3 + 4 Pb
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
CO2 + OH{-} = HCO3{-} =>
CO2 + OH{-} = HCO3{-}
HgNO3 + NaOH = NaNO3 + H2O + Hg2O =>
2 HgNO3 + 2 NaOH = 2 NaNO3 + H2O + Hg2O
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
H3PO2 + Cr2O7{2-} + H{+} = H3PO4 + Cr{3+} + H2O =>
3 H3PO2 + 2 Cr2O7{2-} + 16 H{+} = 3 H3PO4 + 4 Cr{3+} + 8 H2O
Na2SO4 + S = Na2S2O3 + O2 =>
2 Na2SO4 + 2 S = 2 Na2S2O3 + O2
Zn + Fe2O3 = Fe + ZnO =>
3 Zn + Fe2O3 = 2 Fe + 3 ZnO
CaSO4 + Mg = CaS + MgO =>
CaSO4 + 4 Mg = CaS + 4 MgO
Cl + AgNO3 + H2O = AgCl + HClO3 + HNO3 =>
6 Cl + 5 AgNO3 + 3 H2O = 5 AgCl + HClO3 + 5 HNO3
FeSO4 + HBrO2 + HCl = FeCl3 + FeBr3 + Fe2(SO4)3 + H2O =>
12 FeSO4 + 3 HBrO2 + 9 HCl = 3 FeCl3 + FeBr3 + 4 Fe2(SO4)3 + 6 H2O
C6H6 + C12H24 = C6H5C12H28 =>
2 C6H6 + 5 C12H24 = 4 C6H5C12H28
N2O3 + KOH = KNO2 + H2O =>
N2O3 + 2 KOH = 2 KNO2 + H2O
NaOH(aq) + Na2SO4 = NaSO4 + Na2OH =>
NaOH(aq) + Na2SO4 = NaSO4 + Na2OH
Ga2O3 + HNO3 = Ga(NO3)3 + H2O =>
Ga2O3 + 6 HNO3 = 2 Ga(NO3)3 + 3 H2O
ZnS + HBr = ZnBr2 + H2S =>
ZnS + 2 HBr = ZnBr2 + H2S
C6H5C3H7 + KMnO4 = C6H5COOK + K2CO3 + MnO2 + H2O =>
3 C6H5C3H7 + 28 KMnO4 = 2 C6H5COOK + 13 K2CO3 + 28 MnO2 + 13 H2O
Al + K2O = AlO + K =>
Al + K2O = AlO + 2 K
HgCl2 + H2O = Hg2Cl2 + HCl + O2 =>
4 HgCl2 + 2 H2O = 2 Hg2Cl2 + 4 HCl + O2
K2CO3 + S = K2S + C + O3 =>
K2CO3 + S = K2S + C + O3
C15H32 + O2 = CO2 + H2O =>
C15H32 + 23 O2 = 15 CO2 + 16 H2O
H4P2O7 + Fe(OH)3 = Fe4(P2O7)3 + H2O =>
3 H4P2O7 + 4 Fe(OH)3 = Fe4(P2O7)3 + 12 H2O
SnS2 + HCl = SnCl4 + H2S =>
SnS2 + 4 HCl = SnCl4 + 2 H2S
KNO3(s) + C(s) = K2CO3(s) + CO(g) + N2(g) =>
2 KNO3(s) + 4 C(s) = K2CO3(s) + 3 CO(g) + N2(g)
Ca(NO3)2(aq) + Na3PO4(aq) = Ca3(PO4)2 + NaNO3(aq) =>
3 Ca(NO3)2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2 + 6 NaNO3(aq)
KCrO2 + PbO2 + KOH + H2O = K2[Pb(OH)4] + K2CrO4 =>
2 KCrO2 + 3 PbO2 + 8 KOH + 2 H2O = 3 K2[Pb(OH)4] + 2 K2CrO4
NH4Br + Ag(C2H3O2) = NH4(C2H3O2) + AgBr =>
NH4Br + Ag(C2H3O2) = NH4(C2H3O2) + AgBr
C6H5NH2 + C4H6O3 = C8H9NO + H2O =>
2 C6H5NH2 + C4H6O3 = 2 C8H9NO + H2O
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
Ba(CH3COO)2 = Ba + C + H2 + O2 =>
Ba(CH3COO)2 = Ba + 4 C + 3 H2 + 2 O2
Pd + O2 = Pd2O3 =>
4 Pd + 3 O2 = 2 Pd2O3
CuBr2 + (NH4)2S = CuS + NH4Br =>
CuBr2 + (NH4)2S = CuS + 2 NH4Br
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
C6H12 + H2O = CO2 + H2 =>
C6H12 + 12 H2O = 6 CO2 + 18 H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe + NH3 = Fe3N2 + H2 =>
3 Fe + 2 NH3 = Fe3N2 + 3 H2
C6H10O5 + CuO = CO2 + H2O + Cu =>
C6H10O5 + 12 CuO = 6 CO2 + 5 H2O + 12 Cu
NH3 + HCl + O2 = H2O + NCl =>
NH3 + HCl + O2 = 2 H2O + NCl
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Équations équilibrées sur10/23/24
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