| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Al + Cl + NaOH = AlOH + NaCl =>
Al + Cl + NaOH = AlOH + NaCl
K3PO4 + H2O = H2PO4 + K + OH =>
K3PO4 + 2 H2O = H2PO4 + 3 K + 2 OH
LiO + N2O3 = LiN2O4 =>
LiO + N2O3 = LiN2O4
H2SO4 + Cl2 = HCl + SO4 =>
H2SO4 + Cl2 = 2 HCl + SO4
Fe(OH)2 + BaCl3 = FeCl3 + Ba(OH)2 =>
Fe(OH)2 + BaCl3 = FeCl3 + Ba(OH)2
CaCl + AgNO3 = Ca(NO3) + AgCl =>
CaCl + AgNO3 = Ca(NO3) + AgCl
(n)Al + O2 = Al2O3 =>
4(n)Al + 3 O2 = 2 Al2O3
KClO3 + BiCl3 + KOH = KBiO3 + KCl + H2O =>
KClO3 + 3 BiCl3 + 12 KOH = 3 KBiO3 + 10 KCl + 6 H2O
CsCl(aq) + K3PO4(aq) = Cs3PO4(aq) + KCl(aq) =>
3 CsCl(aq) + K3PO4(aq) = Cs3PO4(aq) + 3 KCl(aq)
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Ni + Cr = NiCr =>
Ni + Cr = NiCr
NaCl + I2 = NaI + Cl2 =>
2 NaCl + I2 = 2 NaI + Cl2
C16H32O2(l) + O2(g) = CO2 + H2O =>
C16H32O2(l) + 23 O2(g) = 16 CO2 + 16 H2O
C2H5OH + FeCl2 + H2O = CH3Cl + Fe(OH)2 =>
C2H5OH + FeCl2 + H2O = 2 CH3Cl + Fe(OH)2
CuCl2 + Zn = Cu + ZnCl2 =>
CuCl2 + Zn = Cu + ZnCl2
HCl + Ca(OH)2 = CaCl2 + H2O* =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O*
BaO + F2 = BaF2 + O2 =>
2 BaO + 2 F2 = 2 BaF2 + O2
CaSO4 + NaNO3 = Ca(NO3)2 + Na2SO4 =>
CaSO4 + 2 NaNO3 = Ca(NO3)2 + Na2SO4
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
NH3 + CaCl2 = NH4Cl + Ca3N2 =>
8 NH3 + 3 CaCl2 = 6 NH4Cl + Ca3N2
FeCl2 + H2O = Fe(OH)2 + HCl =>
FeCl2 + 2 H2O = Fe(OH)2 + 2 HCl
U(OH)4 + HCl = UCl4 + H2O =>
U(OH)4 + 4 HCl = UCl4 + 4 H2O
K2Cr2O7 + H2O + H2S = Cr(OH)3 + KOH + S =>
K2Cr2O7 + H2O + 3 H2S = 2 Cr(OH)3 + 2 KOH + 3 S
ICl + H2O = HCl + HI + O2 =>
2 ICl + 2 H2O = 2 HCl + 2 HI + O2
Mg + HCl = Mg2HCl =>
2 Mg + HCl = Mg2HCl
Na6V10O28 + Al + HCl = VCl2 + NaCl + AlV3O9 + H2O =>
2 Na6V10O28 + 5 Al + 22 HCl = 5 VCl2 + 12 NaCl + 5 AlV3O9 + 11 H2O
NH4 + CaS = NH4S2 + Ca =>
NH4 + 2 CaS = NH4S2 + 2 Ca
KI(aq) + Hg2(NO3)2(aq) = K(NO3)2(aq) + Hg2I(s) =>
KI(aq) + Hg2(NO3)2(aq) = K(NO3)2(aq) + Hg2I(s)
CaO(s) + H2O(i) = Ca(OH)2(aq) =>
CaO(s) + H2O(i) = Ca(OH)2(aq)
Al2(SO4)3(aq) + Mg(s) = MgSO4 + Al2 =>
Al2(SO4)3(aq) + 3 Mg(s) = 3 MgSO4 + Al2
KC1O3(s) = KC1O4(s) + KC1(s) =>
4 KC1O3(s) = 3 KC1O4(s) + KC1(s)
Cd(OH)3 = Cd + OH =>
Cd(OH)3 = Cd + 3 OH
KC2H3O2 + NH4Br = KBr + NH4C2H3O2 =>
KC2H3O2 + NH4Br = KBr + NH4C2H3O2
RbNO3 + Cu = Cu(NO3)2 + Rb =>
2 RbNO3 + Cu = Cu(NO3)2 + 2 Rb
Cl6N6 + C6H12 = Cl12C3 + H + N2 =>
4 Cl6N6 + C6H12 = 2 Cl12C3 + 12 H + 12 N2
SO2 + CrO4 = SO4 + CrO2 =>
SO2 + CrO4 = SO4 + CrO2
I{-} + Ce{4+} = I2 + Ce{3+} =>
2 I{-} + 2 Ce{4+} = I2 + 2 Ce{3+}
K2CO3 + HNO3 = CO2 + H2O + KNO3 =>
K2CO3 + 2 HNO3 = CO2 + H2O + 2 KNO3
H2SiO3 + NaCl = Na2SiO3 + HCl =>
H2SiO3 + 2 NaCl = Na2SiO3 + 2 HCl
FeSO4 = Fe2O3 + SO2 + SO3 =>
2 FeSO4 = Fe2O3 + SO2 + SO3
N2O3 + KOH = KNO2 + H2O =>
N2O3 + 2 KOH = 2 KNO2 + H2O
(CO2H)2 + MnO4{-} + H{+} = Mn{2+} + CO2 + H2O =>
5(CO2H)2 + 2 MnO4{-} + 6 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
Cr(NO3)2(aq) + Na2S(aq) = CrS(s) + NaNO3 =>
Cr(NO3)2(aq) + Na2S(aq) = CrS(s) + 2 NaNO3
H4As2O9 + Be(OH)2 = Be2(As2O9) + H2O =>
H4As2O9 + 2 Be(OH)2 = Be2(As2O9) + 4 H2O
H + C7H12O = C7H14O =>
2 H + C7H12O = C7H14O
H2SO3 + Ti = TiSO3 + H2 =>
H2SO3 + Ti = TiSO3 + H2
K2CO3(s) + H2O(g) + CO2(g) = KHCO3(s) =>
K2CO3(s) + H2O(g) + CO2(g) = 2 KHCO3(s)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CaCO3 + HCl = Ca + Cl2 + CO2 + H2O =>
CaCO3 + 2 HCl = Ca + Cl2 + CO2 + H2O
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