| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Cl2 + Na(OH) = NaCl + NaClO + H2O =>
Cl2 + 2 Na(OH) = NaCl + NaClO + H2O
Sn{2+}(aq) + Cu{2+}(aq) = Sn{4+}(aq) + Cu{+}(aq) =>
Sn{2+}(aq) + 2 Cu{2+}(aq) = Sn{4+}(aq) + 2 Cu{+}(aq)
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Fe(s) + CuSO4(aq) = Fe(SO4)(aq) + Cu(s) =>
Fe(s) + CuSO4(aq) = Fe(SO4)(aq) + Cu(s)
NaHCO3 + AgNO3 = NaNO3 + AgOH + CO2 =>
NaHCO3 + AgNO3 = NaNO3 + AgOH + CO2
K3PO4 + Al(NO3)3 = KNO3 + AlPO4 =>
K3PO4 + Al(NO3)3 = 3 KNO3 + AlPO4
FeCl2 + HCl = FeCl3 + H2 =>
2 FeCl2 + 2 HCl = 2 FeCl3 + H2
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
NaHCO3(aq) + AgNO3 = NaNO3 + AgOH + CO2 =>
NaHCO3(aq) + AgNO3 = NaNO3 + AgOH + CO2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Na(NO3) + Pb(C2H3O2)2 = Pb(NO3)2 + NaC2H3O2 =>
2 Na(NO3) + Pb(C2H3O2)2 = Pb(NO3)2 + 2 NaC2H3O2
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaHCO3(aq) + AgNO3(aq) = NaNO3 + AgOH + CO2 =>
NaHCO3(aq) + AgNO3(aq) = NaNO3 + AgOH + CO2
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Co + HNO3 = Co(NO3) + H2(O) + NO =>
3 Co + 4 HNO3 = 3 Co(NO3) + 2 H2(O) + NO
COCl2 + H2 = HCO + HCl =>
2 COCl2 + 3 H2 = 2 HCO + 4 HCl
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH =>
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH
FeCl2 + H2O2 + HCl = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 FeCl3 + 2 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
HgS + CaO = Hg + CaS + CaSO4 =>
4 HgS + 4 CaO = 4 Hg + 3 CaS + CaSO4
KClO3 = KClO2 + O2 =>
2 KClO3 = 2 KClO2 + O2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
NaOH(aq) + CuSO4 = Na2SO4(aq) + Cu(OH)2(s) =>
2 NaOH(aq) + CuSO4 = Na2SO4(aq) + Cu(OH)2(s)
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
MgBr2 + NaOH = MgOH + NaBr2 =>
MgBr2 + NaOH = MgOH + NaBr2
Mg(OH)2 = H2O + MgO =>
Mg(OH)2 = H2O + MgO
(NH4)3PO4 + BaCl2 = NH4Cl + Ba3(PO4)2 =>
2(NH4)3PO4 + 3 BaCl2 = 6 NH4Cl + Ba3(PO4)2
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
NaCl + Fe2S3 = FeCl3 + Na2S =>
6 NaCl + Fe2S3 = 2 FeCl3 + 3 Na2S
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
HI + Ca(OH)2 = H2O + CaI2 =>
2 HI + Ca(OH)2 = 2 H2O + CaI2
Na2S2O3 + I2 = NaI + Na2S4O6 =>
2 Na2S2O3 + I2 = 2 NaI + Na2S4O6
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
CO(g) + H2(g) = C8H8(l) + H2O =>
8 CO(g) + 12 H2(g) = C8H8(l) + 8 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H{+} + SO3{2-} + NO3{-} = SO4{2+} + NO + H2O =>
6 H{+} + SO3{2-} + 2 NO3{-} = SO4{2+} + 2 NO + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/12/19
Équations équilibrées sur02/11/18
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