| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCl + H2O = Cl + H3O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
KMnO4 = K3MnO5 + Mn3O7 + O3 =>
27 KMnO4 = 9 K3MnO5 + 6 Mn3O7 + 7 O3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2SO4 + H2O = HSO4 + H3O =>
H2SO4 + H2O = HSO4 + H3O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
C3H8(g) + O2(g) = CO2(g) + H2O(l) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(l) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(l)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
HCOOH + NaOH = HCOONa + H2O =>
HCOOH + NaOH = HCOONa + H2O
Si2H3(l) + O2(g) = SiO2(s) + H2O =>
4 Si2H3(l) + 11 O2(g) = 8 SiO2(s) + 6 H2O
N2O5(g) + H2O(l) = HNO3(aq) =>
N2O5(g) + H2O(l) = 2 HNO3(aq)
Zn + HCl = ZnCl2H2 =>
Zn + 2 HCl = ZnCl2H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
S + Na = Na2S =>
S + 2 Na = Na2S
Zn + SO4 = ZnSO4 =>
Zn + SO4 = ZnSO4
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe(s) + O2 = Fe2O3 =>
4 Fe(s) + 3 O2 = 2 Fe2O3
HBr + AL(OH)3 = H2O + ALBr3 =>
3 HBr + AL(OH)3 = 3 H2O + ALBr3
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + 2 NaNO3(aq)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
CaI2 + HCl = HI2 + CaCl =>
CaI2 + HCl = HI2 + CaCl
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
FeS2(s) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(s) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
H2S + O = SO2 + H2O =>
H2S + 3 O = SO2 + H2O
[NH4]2CO3 = NH3 + CO2 + H2O =>
[NH4]2CO3 = 2 NH3 + CO2 + H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + KCl(aq) =>
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + 2 KCl(aq)
Fe2O3(s) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
B(OH)3 + CH3OH = B(OCH3)3 + H2O =>
B(OH)3 + 3 CH3OH = B(OCH3)3 + 3 H2O
KIO4 + C6H12O6 = CO2 + H2O + KI =>
3 KIO4 + C6H12O6 = 6 CO2 + 6 H2O + 3 KI
H + O2 = H2O2 =>
2 H + O2 = H2O2
Al + FeO3 = Fe + AlO3 =>
Al + FeO3 = Fe + AlO3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
K(s) + Br2(l) = KBr(s) =>
2 K(s) + Br2(l) = 2 KBr(s)
N2H4 + Cl = N2H4Cl =>
N2H4 + Cl = N2H4Cl
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
H2O2(aq) = H2O(l) + O2(g) =>
2 H2O2(aq) = 2 H2O(l) + O2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/12/11
Équations équilibrées sur03/14/10
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