| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 S8 + 16 O3 = 24 SO2
NaNO2 + FeSO4 + H2SO4 = Na2SO4 + Fe2(SO4)3 + NO + H2O =>
2 NaNO2 + 2 FeSO4 + 2 H2SO4 = Na2SO4 + Fe2(SO4)3 + 2 NO + 2 H2O
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
CaCl{-}2 + AgNO{-}3 = AgCl + Ca(NO{-}3){-}2 =>
CaCl{-}2 + AgNO{-}3 = AgCl + Ca(NO{-}3){-}2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + KI = ClI + K =>
Cl2 + 2 KI = 2 ClI + 2 K
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Fe(NO3)3(aq) + NH3(aq) + H2O(l) = Fe(OH)3(s) + NH4NO3(aq) =>
Fe(NO3)3(aq) + 3 NH3(aq) + 3 H2O(l) = Fe(OH)3(s) + 3 NH4NO3(aq)
NiCl3 + Cs2S = Ni2S3 + CsCl =>
2 NiCl3 + 3 Cs2S = Ni2S3 + 6 CsCl
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
KMnO4 + NaCl = KCl + NaMnO4 =>
KMnO4 + NaCl = KCl + NaMnO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C4H6 + O2 = C2O + H2O =>
2 C4H6 + 5 O2 = 4 C2O + 6 H2O
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NH4Cl + F2 = NH4F + Cl2 =>
2 NH4Cl + F2 = 2 NH4F + Cl2
Fe + Cr2O7 + H{+} = Fe{3+} + Cr{3+} + H2O =>
8 Fe + 3 Cr2O7 + 42 H{+} = 8 Fe{3+} + 6 Cr{3+} + 21 H2O
CaCl{-}2 + AgNO{-}3 = AgCl + Ca(NO{-}3){-}2 =>
CaCl{-}2 + AgNO{-}3 = AgCl + Ca(NO{-}3){-}2
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
Au + H2So4 = Au(So4)3 + H2 =>
Au + 3 H2So4 = Au(So4)3 + 3 H2
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
NaI + Cu(NO3)2 = Na(NO3) + CuI2 =>
2 NaI + Cu(NO3)2 = 2 Na(NO3) + CuI2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KCl + O = KClO =>
KCl + O = KClO
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
HBr + Al(OH)3 = H2O + AlBr3 =>
3 HBr + Al(OH)3 = 3 H2O + AlBr3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
H2SO4 + NaHCO3 = Na2SO4 + H2O + CO2 =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 H2O + 2 CO2
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO2 + O = SO3 =>
SO2 + O = SO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H3PO4 + CaO = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
F2 + NaOH = O2 + NaF + H2O =>
2 F2 + 4 NaOH = O2 + 4 NaF + 2 H2O
HNO3 + Fe(OH)3 = HOH + Fe(NO3)3 =>
3 HNO3 + Fe(OH)3 = 3 HOH + Fe(NO3)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/05/19
Équations équilibrées sur03/07/18
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