| Équations équilibrées la veille | Équations équilibrées le lendemain |
20 KMnO4 = K20 + 20 MnO + 30 O2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
BrO3{-} + Br{-} + H{+} = Br2 + H2O =>
BrO3{-} + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
BrO3{-} + Br{-} + H{+} = Br2 + H2O =>
BrO3{-} + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
FeCl2 + NH3 + H2O = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH3 + 2 H2O = Fe(OH)2 + 2 NH4Cl
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ca(OH)2 + H4P2O7 = Ca2P2O7 + H2O =>
2 Ca(OH)2 + H4P2O7 = Ca2P2O7 + 4 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C2H2Cl4 + Ca(OH)2 = C2HCl3 + CaCl2 + H2O =>
2 C2H2Cl4 + Ca(OH)2 = 2 C2HCl3 + CaCl2 + 2 H2O
H6N2O4S + NaOH = N2H4 + Na2SO4 + H2O =>
H6N2O4S + 2 NaOH = N2H4 + Na2SO4 + 2 H2O
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Ba(NO3)2 + Fe2(SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = P4 + 6 CaSiO3 + 10 CO
CuSO4 + NaI = CuI + I2 + Na2SO4 =>
2 CuSO4 + 4 NaI = 2 CuI + I2 + 2 Na2SO4
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Co(OH)3 + H2SO4 = CoSO4 + H2O + O2 =>
4 Co(OH)3 + 4 H2SO4 = 4 CoSO4 + 10 H2O + O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AgBr + Na2S2O3 = Na3 + [Ag(S2O3)2] + NaBr =>
AgBr + 2 Na2S2O3 = Na3 + [Ag(S2O3)2] + NaBr
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O = fe =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
SnCl2 + NaOH + BiCl3 = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 12 NaOH + 2 BiCl3 = 2 Bi + 3 Sn(OH)4 + 12 NaCl
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
CuO + NH3 = Cu + H2O + N =>
3 CuO + 2 NH3 = 3 Cu + 3 H2O + 2 N
HPO3 + Ca(OH)2 = Ca(PO3)2 + H2O =>
2 HPO3 + Ca(OH)2 = Ca(PO3)2 + 2 H2O
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
C7H9N + O2 = CO2 + H2O + NO2 =>
4 C7H9N + 41 O2 = 28 CO2 + 18 H2O + 4 NO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Au + HNO3 + HCl = AuCl3 + NO + H2O =>
Au + HNO3 + 3 HCl = AuCl3 + NO + 2 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
H2 + Br = HBr =>
H2 + 2 Br = 2 HBr
K20 + MnO + O2 = KMnO4 =>
K20 + 20 MnO + 30 O2 = 20 KMnO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/05/20
Équations équilibrées sur04/04/19
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