| Équations équilibrées la veille | Équations équilibrées le lendemain |
16 Al(s) + 3 S8(s) = 8 Al2S3(s)
Co(NO3)2 + (NH4)H2PO4 + C6H12N4 = Co3(PO4)2 + CO2 + N2 + H2O =>
9 Co(NO3)2 + 6(NH4)H2PO4 + 2 C6H12N4 = 3 Co3(PO4)2 + 12 CO2 + 16 N2 + 30 H2O
AlBr3 + Na2CO3 = Al2(CO3)3 + NaBr =>
2 AlBr3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaBr
ZnBr2 + K3PO4 = KBr + (Zn)3(PO4)2 =>
3 ZnBr2 + 2 K3PO4 = 6 KBr + (Zn)3(PO4)2
NaBrAg(NO3) = AgBrNa(NO3) =>
NaBrAg(NO3) = AgBrNa(NO3)
Pb(NO3)2 = PbO1 + NO2 + O =>
Pb(NO3)2 = PbO1 + 2 NO2 + O
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
C4H9COOH + O2 = CO2 + H2O =>
2 C4H9COOH + 13 O2 = 10 CO2 + 10 H2O
P3O10 + H2O = P3H2O11 =>
P3O10 + H2O = P3H2O11
FeS2 + HNO3 = Fe(NO3)3 + S + NO2 + H2O =>
FeS2 + 6 HNO3 = Fe(NO3)3 + 2 S + 3 NO2 + 3 H2O
Fe + CO2 = FeCO3 + CO =>
Fe + 2 CO2 = FeCO3 + CO
AgCl2 + NH4OH = AgO + NH4Cl + H2O =>
AgCl2 + 2 NH4OH = AgO + 2 NH4Cl + H2O
FeCl2(aq) + NaOH(aq) = Fe(OH)2 + NaCl =>
FeCl2(aq) + 2 NaOH(aq) = Fe(OH)2 + 2 NaCl
Al(NO2)3 + Li = LiNO2 + Al =>
Al(NO2)3 + 3 Li = 3 LiNO2 + Al
Pb(NO3)2 + KI = Pb + (NO3)2KI =>
Pb(NO3)2 + KI = Pb + (NO3)2KI
NH4NO3 + KI = NH4I + KNO3 =>
NH4NO3 + KI = NH4I + KNO3
Ba(NO2)2 + H2O + KMnO4 = Ba(NO3)2 + KOH + MnO2 =>
3 Ba(NO2)2 + 2 H2O + 4 KMnO4 = 3 Ba(NO3)2 + 4 KOH + 4 MnO2
Fe2O3 + Al = Al2O4 + Fe =>
4 Fe2O3 + 6 Al = 3 Al2O4 + 8 Fe
CaO + HI = CaI2(aq) + H2O(l) =>
CaO + 2 HI = CaI2(aq) + H2O(l)
Pb(OH)2 = H2O + PbO =>
Pb(OH)2 = H2O + PbO
LiNO3 + CaF2 = LiF + Ca(NO3)2 =>
2 LiNO3 + CaF2 = 2 LiF + Ca(NO3)2
MgO + NO2 + O2 = Mg(NO3)2 =>
2 MgO + 4 NO2 + O2 = 2 Mg(NO3)2
ClO{-} + Fe(OH)3 = FeO4{2-} + Cl2 + OH{-} + H2O =>
6 ClO{-} + 2 Fe(OH)3 = 2 FeO4{2-} + 3 Cl2 + 2 OH{-} + 2 H2O
KI + Br = KBr + I =>
KI + Br = KBr + I
MnO4{-} = MnO4{-}2 =>
MnO4{-} = MnO4{-}2
CrO4{2-} + S2O4{2-} + H2O = Cr(OH)3 + SO4{2-} + OH{-} =>
2 CrO4{2-} + S2O4{2-} + 4 H2O = 2 Cr(OH)3 + 2 SO4{2-} + 2 OH{-}
PbS + NaOH = NaS + PbOH =>
PbS + NaOH = NaS + PbOH
C3H21 + O2 = CO2 + H2O =>
4 C3H21 + 33 O2 = 12 CO2 + 42 H2O
C3H6Br2 + KOH = KBr + H2O + C3H5Br =>
C3H6Br2 + KOH = KBr + H2O + C3H5Br
Mg + Br2 = MgBr2 =>
Mg + Br2 = MgBr2
CH3CHO + I2 + K2CO3 = CI3CHO + KI + H2CO3 =>
2 CH3CHO + 6 I2 + 3 K2CO3 = 2 CI3CHO + 6 KI + 3 H2CO3
C3HCOOH + O2 = CO2 + H2O =>
2 C3HCOOH + 7 O2 = 8 CO2 + 2 H2O
H2SO4 + KMnO4 + FeSO3 = MnSO4 + K2SO4 + Fe2(SO4)2 + H2O =>
6 H2SO4 + 4 KMnO4 + 10 FeSO3 = 4 MnSO4 + 2 K2SO4 + 5 Fe2(SO4)2 + 6 H2O
FeS + H2SO4 = FeSO4 + H2S =>
FeS + H2SO4 = FeSO4 + H2S
Fe + Co = FeCo2 =>
Fe + 2 Co = FeCo2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl3 + (NH4)3PO4 = FePO4 + NH4Cl = =>
FeCl3 + (NH4)3PO4 = FePO4 + 3 NH4Cl
CaCO3 = O + Ca + CO2 =>
CaCO3 = O + Ca + CO2
SiH4 + N2O = SiO2 + N2 + H2O =>
SiH4 + 4 N2O = SiO2 + 4 N2 + 2 H2O
HPO3 + Al(OH)3 = Al(OH)2PO3 + H2O =>
HPO3 + Al(OH)3 = Al(OH)2PO3 + H2O
NH4Cl + K2(HgBr2I2) + KOH = HgO*Hg(NH2)I + KCl + KBr + KI + H2O =>
NH4Cl + 2 K2(HgBr2I2) + 4 KOH = HgO*Hg(NH2)I + KCl + 4 KBr + 3 KI + 3 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Mn2O3 + Fe2O3 = MnFe2O4 + O2 =>
2 Mn2O3 + 4 Fe2O3 = 4 MnFe2O4 + O2
HgS + NO3{-} + Cl{-} + H{+} = HgCl2 + NO + S + H2O =>
3 HgS + 2 NO3{-} + 6 Cl{-} + 8 H{+} = 3 HgCl2 + 2 NO + 3 S + 4 H2O
HClO3 + Ba(OH)2 = HCl(OH)3 + BaO2 =>
2 HClO3 + 3 Ba(OH)2 = 2 HCl(OH)3 + 3 BaO2
H[AuCl4] + KOH = Au2O3 + KCl + H2O =>
2 H[AuCl4] + 8 KOH = Au2O3 + 8 KCl + 5 H2O
Cu2S + O2 + C = Cu + C3(SO2)4 =>
4 Cu2S + 4 O2 + 3 C = 8 Cu + C3(SO2)4
NaNO3 + KCl = NaCl + NO3K =>
NaNO3 + KCl = NaCl + NO3K
Na2SeO4 + KI = KSeO4 + Na + I =>
Na2SeO4 + KI = KSeO4 + 2 Na + I
Mg + Zn + NO3 = MgZn2(NO3)2 =>
Mg + 2 Zn + 2 NO3 = MgZn2(NO3)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/05/24
Équations équilibrées sur06/04/23
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