| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Mg + H2O + KOH = H2 + K[Mg(OH)4] =>
2 Mg + 6 H2O + 2 KOH = 3 H2 + 2 K[Mg(OH)4]
Na3PO4(aq) + Ca(OH)2(aq) = Ca3(PO4)2(s) + NaOH(aq) =>
2 Na3PO4(aq) + 3 Ca(OH)2(aq) = Ca3(PO4)2(s) + 6 NaOH(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2SO4 + Zn = ZnSO4 + H2S + H2O =>
5 H2SO4 + 4 Zn = 4 ZnSO4 + H2S + 4 H2O
IO3 + I{-} + H{+} = I2 + H2O =>
2 IO3 + 12 I{-} + 12 H{+} = 7 I2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
IO3{-} + I{-} + H{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 3 I2 + 3 H2O
H + Cl = HCl =>
H + Cl = HCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
P4 + Br = PBr3 =>
P4 + 12 Br = 4 PBr3
H2O + O2 + N2 = HNO3 =>
2 H2O + 5 O2 + 2 N2 = 4 HNO3
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaOCl + HCl = Cl2 + H2O + NaCl =>
NaOCl + 2 HCl = Cl2 + H2O + NaCl
C2H2 + H2 = C2H4 =>
C2H2 + H2 = C2H4
Rb + N2 = RbN2 =>
Rb + N2 = RbN2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Cu(s) = Cu2{+} + e =>
2 Cu(s) = Cu2{+} + e
Fe + CUSo4 = FeSo4 + CU =>
Fe + CUSo4 = FeSo4 + CU
H2S + HMNO4 = S + MNO2 + H2O =>
3 H2S + 2 HMNO4 = 3 S + 2 MNO2 + 4 H2O
ClO2 + H2O2 = ClO2{-} + O2 + H{+} =>
2 ClO2 + H2O2 = 2 ClO2{-} + O2 + 2 H{+}
C3H6 + NO = C3H3N + H2O + N2 =>
4 C3H6 + 6 NO = 4 C3H3N + 6 H2O + N2
Mg2{+} + e = Mg =>
Mg2{+} + e = 2 Mg
Na2CO3 + Pb(NO3)2 = PbCO3 + NaNO3 =>
Na2CO3 + Pb(NO3)2 = PbCO3 + 2 NaNO3
KMnO4 + HCl = Cl2 + MnCl2 + H2O + KCl =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 8 H2O + 2 KCl
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Ca + NaCl = Na + CaCl2 =>
Ca + 2 NaCl = 2 Na + CaCl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ni = Ni2{+} + e =>
2 Ni = Ni2{+} + e
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
HJ + HJO4 = J2 + H2O =>
7 HJ + HJO4 = 4 J2 + 4 H2O
Zn = Zn2{+} + e =>
2 Zn = Zn2{+} + e
K2Cr2O7 + HBr = KBr + CrBr3 + Br2 + H2O =>
K2Cr2O7 + 14 HBr = 2 KBr + 2 CrBr3 + 3 Br2 + 7 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Cu(s) = Cu2{+} + e =>
2 Cu(s) = Cu2{+} + e
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
Mg2{+} + e = Mg(s) =>
Mg2{+} + e = 2 Mg(s)
NaClO3 + K2SnO2 = NaCl + K2SnO3 =>
NaClO3 + 3 K2SnO2 = NaCl + 3 K2SnO3
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/18
Équations équilibrées sur11/03/17
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