| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe + O2 = 2 FeO
NaNO3 + Ca(C2H3O2)2 = Na(C2H3O2) + Ca(NO3)2 =>
2 NaNO3 + Ca(C2H3O2)2 = 2 Na(C2H3O2) + Ca(NO3)2
CaCO3 + H2O = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 H2O = Ca(OH)2 + H2CO3
Al + Ca(OH)2 = Al(OH)3 + Ca =>
2 Al + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca
Ca(OH)2 + Cu(SO4)2 = Ca(SO4)2 + Cu(OH)2 =>
Ca(OH)2 + Cu(SO4)2 = Ca(SO4)2 + Cu(OH)2
NH4ClO4(s) + Al(s) = Al2O3(g) + HCl(g) + N2(g) + H2O(g) =>
6 NH4ClO4(s) + 10 Al(s) = 5 Al2O3(g) + 6 HCl(g) + 3 N2(g) + 9 H2O(g)
Mg(OH)2 + NaOH = Na2MgO2 + H2O =>
Mg(OH)2 + 2 NaOH = Na2MgO2 + 2 H2O
Cr(OH)3 + KOH = KCrO2 + H2O =>
Cr(OH)3 + KOH = KCrO2 + 2 H2O
NaOH + CuCl3 = CuOH + NaCl3 =>
NaOH + CuCl3 = CuOH + NaCl3
NaHCO3(s) + HC2H3O2(aq) = NaCH3CO2(aq) + CO2(g) + H2O(l) =>
NaHCO3(s) + HC2H3O2(aq) = NaCH3CO2(aq) + CO2(g) + H2O(l)
Cl(g) + Cs(s) = CsCl(s) =>
Cl(g) + Cs(s) = CsCl(s)
CaOH + NH4CO3 = CaCO3 + NH4OH =>
CaOH + NH4CO3 = CaCO3 + NH4OH
CH3COOH + C6H8O6 = C2H8O6 + C6H3O2 =>
CH3COOH + 5 C6H8O6 = 4 C2H8O6 + 4 C6H3O2
PbI2 + NaOH = NaI + Pb(OH)2 =>
PbI2 + 2 NaOH = 2 NaI + Pb(OH)2
C7H16 = C7H13 + H2 =>
2 C7H16 = 2 C7H13 + 3 H2
Al(s) + NH4ClO4(s) = N2(g) + Al2O3(s) + AlCl3(s) + H2O(l) =>
10 Al(s) + 6 NH4ClO4(s) = 3 N2(g) + 4 Al2O3(s) + 2 AlCl3(s) + 12 H2O(l)
Ca(OH)2 + Cu(SO4)2 = Ca(SO4)2 + Cu(OH)2 =>
Ca(OH)2 + Cu(SO4)2 = Ca(SO4)2 + Cu(OH)2
SrCO3 + CaCO3 + CuO = SrCaCuCO5 + CO2 =>
SrCO3 + CaCO3 + CuO = SrCaCuCO5 + CO2
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
K2SO + BaCl2 = BaSO + KCl =>
K2SO + BaCl2 = BaSO + 2 KCl
sodiumhydrogencarbonate + hydrochloricacid = sodiumchloride + water + carbondioxide =>
NaHCO3 + HCl = NaCl + H2O + CO2
BaSO3 + HCl = BaCl2 + H2SO3 =>
BaSO3 + 2 HCl = BaCl2 + H2SO3
Tl2SO4 + SO2 = Tl2(SO4)3 + S =>
Tl2SO4 + 4 SO2 = Tl2(SO4)3 + 2 S
SnO + Cs = Cs2O + Sn =>
SnO + 2 Cs = Cs2O + Sn
NH4ClO4(s) + Al(s) = NO(g) + Al2O3(s) + H2O(g) + AlCl3(g) =>
3 NH4ClO4(s) + 3 Al(s) = 3 NO(g) + Al2O3(s) + 6 H2O(g) + AlCl3(g)
CuSO4 + Fe(OH)2 = Cu(OH)2 + Fe(SO4) =>
CuSO4 + Fe(OH)2 = Cu(OH)2 + Fe(SO4)
Fe + NaOH = FeO + Na + H2 =>
2 Fe + 2 NaOH = 2 FeO + 2 Na + H2
NO3{-}(aq) + OH{-}(aq) + Zn(s) + H2O(l) = [Zn(OH)4]{2-}(aq) + NH3(g) =>
NO3{-}(aq) + 7 OH{-}(aq) + 4 Zn(s) + 6 H2O(l) = 4[Zn(OH)4]{2-}(aq) + NH3(g)
HC1 + CaCO3 = CO2 + HOH + CaC1 =>
6 HC1 + 5 CaCO3 = 6 CO2 + 3 HOH + 5 CaC1
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
CH4 + H2O + CO2 = C6H14O6 =>
13 CH4 + 2 H2O + 11 CO2 = 4 C6H14O6
NH3OH(aq) = NOH4(aq) =>
NH3OH(aq) = NOH4(aq)
Al(s) + NH4ClO4(s) = Al2O3(s) + AlCl3(s) + NO(g) + H2O(g) =>
3 Al(s) + 3 NH4ClO4(s) = Al2O3(s) + AlCl3(s) + 3 NO(g) + 6 H2O(g)
Na2Cr2O7 + H2S + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
4 Na2Cr2O7 + 3 H2S + 13 H2SO4 = 4 Na2SO4 + 4 Cr2(SO4)3 + 16 H2O
CaOCO2 = CaCO3 =>
CaOCO2 = CaCO3
NH4OH + H2O = NH4OH*2H2O =>
NH4OH + 2 H2O = NH4OH*2H2O
CN + AsO4 = AsO2 + CNO =>
2 CN + AsO4 = AsO2 + 2 CNO
LiCl + Na2SO4 = Li2SO4 + NaCl =>
2 LiCl + Na2SO4 = Li2SO4 + 2 NaCl
C4H9Br + NH3 = C4H9NH3 + Br =>
C4H9Br + NH3 = C4H9NH3 + Br
CuSO4 + NH4OH = Cu(NH3)4SO4H2O + H2O =>
CuSO4 + 4 NH4OH = Cu(NH3)4SO4H2O + 3 H2O
SO2 + Li2Se = SSe2 + Li2O = =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
Ba{+2} + CO3{-2} = BaCO3 =>
Ba{+2} + CO3{-2} = BaCO3
BaCl2 + (NH4)2CO3 = BaCO3 + Cl2(NH4)2 =>
BaCl2 + (NH4)2CO3 = BaCO3 + Cl2(NH4)2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Al2O3 + HF = AlF3 + H2O =>
Al2O3 + 6 HF = 2 AlF3 + 3 H2O
Ba + K = KBa =>
Ba + K = KBa
NH4ClO4(s) + Al(s) = Al2O3(s) + N2(g) + HCl(g) + H2O(g) =>
6 NH4ClO4(s) + 10 Al(s) = 5 Al2O3(s) + 3 N2(g) + 6 HCl(g) + 9 H2O(g)
NH3 + Co(OH)2 = [Co(NH3)4]{2+} + OH{-} =>
4 NH3 + Co(OH)2 = [Co(NH3)4]{2+} + 2 OH{-}
C7H5O4 + NH3 = C11H14N2 + CO2 + H2O =>
52 C7H5O4 + 50 NH3 = 25 C11H14N2 + 89 CO2 + 30 H2O
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Équations équilibrées sur10/15/24
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