| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Fe + 4 H2O = Fe3O4 + 4 H2
I2 + S2O3{2-} = I{-} + S4O6{2-} =>
I2 + 2 S2O3{2-} = 2 I{-} + S4O6{2-}
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
S2Cl2 + NH3 = S4N4 + S8 + NH4Cl =>
6 S2Cl2 + 16 NH3 = S4N4 + S8 + 12 NH4Cl
KI + CuCl2 = I2 + CuCl + KCl =>
2 KI + 2 CuCl2 = I2 + 2 CuCl + 2 KCl
Ca(NO3)2 + SiO = CaSiO3 + NO2 =>
Ca(NO3)2 + SiO = CaSiO3 + 2 NO2
HIO3 + SO2 + H2O = H2SO4 + I2 =>
2 HIO3 + 5 SO2 + 4 H2O = 5 H2SO4 + I2
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
CH3CH2OH + PCl3 = CH3CH2Cl + H3PO3 =>
3 CH3CH2OH + PCl3 = 3 CH3CH2Cl + H3PO3
S2O4{-2} + OH{-} = HSO4{-} + H2O + e =>
S2O4{-2} + 6 OH{-} = 2 HSO4{-} + 2 H2O + 6e
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
O2 + C6H12O6 = CO2 + H2O =>
6 O2 + C6H12O6 = 6 CO2 + 6 H2O
Cu + Fe{3+} = Cu{2+} + Fe{2+} =>
Cu + 2 Fe{3+} = Cu{2+} + 2 Fe{2+}
FeS + O2 = Fe2O3 + S =>
4 FeS + 3 O2 = 2 Fe2O3 + 4 S
HCl + Na2B4O7 = NaCl + H2O + B4O6 =>
2 HCl + Na2B4O7 = 2 NaCl + H2O + B4O6
Cu + S = Cu2S =>
2 Cu + S = Cu2S
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
H3PO4 + Fe = FePO4 + H =>
H3PO4 + Fe = FePO4 + 3 H
FeS2 + O2 = Fe2O3 + S =>
4 FeS2 + 3 O2 = 2 Fe2O3 + 8 S
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Sn{+2} + Cr2O7{-2} + H3O{+} = Sn{+4} + Cr{+3} + H2O =>
3 Sn{+2} + Cr2O7{-2} + 14 H3O{+} = 3 Sn{+4} + 2 Cr{+3} + 21 H2O
S2O3{-2} + OH{-} = HSO4{-} + H2O + e =>
S2O3{-2} + 8 OH{-} = 2 HSO4{-} + 3 H2O + 8e
K2Cr2O7 + HI = KI + CrI3 + H2O + I2 =>
K2Cr2O7 + 14 HI = 2 KI + 2 CrI3 + 7 H2O + 3 I2
MnO4{+} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{+} + 7 NO2{-} + 2 H{+} = 2 Mn{2+} + 7 NO3{-} + H2O
CoCl2*6H2O + NH4Cl + NH4OH + H2O2 = (Co(NH3)6)Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 10 NH4OH + H2O2 = 2(Co(NH3)6)Cl3 + 24 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
I2 + KBrO3 = KIO3 + Br2 =>
I2 + 2 KBrO3 = 2 KIO3 + Br2
Zn(NO3)2 + Na2S = NaNO3 + ZnS =>
Zn(NO3)2 + Na2S = 2 NaNO3 + ZnS
AgNO3 + NaOH = NaNO3 + AgOH =>
AgNO3 + NaOH = NaNO3 + AgOH
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Fe(NO3)2 + (NH4)2SO4 = H2O + SO2 + Fe2O3 + N2 =>
4 Fe(NO3)2 + 9(NH4)2SO4 = 36 H2O + 9 SO2 + 2 Fe2O3 + 13 N2
S2{-} + [SO3]2{-} + H{+} = S + H2O =>
11 S2{-} + [SO3]2{-} + 12 H{+} = 24 S + 6 H2O
AgNO3 + NaI = NaNO3 + AgI =>
AgNO3 + NaI = NaNO3 + AgI
CoCl2*6H2O + NH4Cl + NH4OH + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 10 NH4OH + H2O2 = 2[Co(NH3)6]Cl3 + 24 H2O
K3[Al(OH)6] + HCl = KCl + AlCl3 + H2O =>
K3[Al(OH)6] + 6 HCl = 3 KCl + AlCl3 + 6 H2O
S2{-} + [SO3]{2-} + H{+} = S + H2O =>
4 S2{-} + [SO3]{2-} + 6 H{+} = 9 S + 3 H2O
BaCl2 + C2H4O2 = BaC2H4O2 + Cl2 =>
BaCl2 + C2H4O2 = BaC2H4O2 + Cl2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
SnCl4*5H2O + NH4OH = NH4Cl + SnO2*H2O + H2O =>
SnCl4*5H2O + 4 NH4OH = 4 NH4Cl + SnO2*H2O + 6 H2O
S{2-} + [SO3]{2-} + H{+} = S + H2O =>
2 S{2-} + [SO3]{2-} + 6 H{+} = 3 S + 3 H2O
SO2 = S4O8 =>
4 SO2 = S4O8
Al + HCl = AlCl + H =>
Al + HCl = AlCl + H
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu + H2SO4 = CuSO4 + H2 =>
Cu + H2SO4 = CuSO4 + H2
NaCrO2 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 NaCrO2 + 2 NaOH + 3 H2O2 = 2 Na2CrO4 + 4 H2O
[N3]{-} + I2 = N2 + I{-} =>
2[N3]{-} + I2 = 3 N2 + 2 I{-}
Zn + CrCl3 = Cr + ZnCl2 =>
3 Zn + 2 CrCl3 = 2 Cr + 3 ZnCl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/02/13
Équations équilibrées sur05/02/12
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