| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaCN + 5 NaOCl + H2O = 2 CO2 + N2 + 5 NaCl + 2 NaOH
Na2SO3 + CH3COOH = NaC2H3O2 + H2O + SO2 =>
Na2SO3 + 2 CH3COOH = 2 NaC2H3O2 + H2O + SO2
NH3 + MgO = Mg3N2 + H2O =>
2 NH3 + 3 MgO = Mg3N2 + 3 H2O
Fe3C + HNO3 = Fe(NO3)3 + CO2 + NO2 + H2O =>
Fe3C + 22 HNO3 = 3 Fe(NO3)3 + CO2 + 13 NO2 + 11 H2O
C7H12(l) + O2(g) = CO(g) + H2O(g) =>
2 C7H12(l) + 13 O2(g) = 14 CO(g) + 12 H2O(g)
Sb4O6 + NaOH = NaSbO2 + H2O =>
Sb4O6 + 4 NaOH = 4 NaSbO2 + 2 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
SiH4 + N2O = SiO2 + N2 + H2O =>
SiH4 + 4 N2O = SiO2 + 4 N2 + 2 H2O
H3PO2 + Cr2O7{2-} + H{+} = H3PO4 + Cr{3+} + H2O =>
3 H3PO2 + 2 Cr2O7{2-} + 16 H{+} = 3 H3PO4 + 4 Cr{3+} + 8 H2O
FeSO4(s) = Fe2O3(s) + SO2(g) + O2(g) =>
4 FeSO4(s) = 2 Fe2O3(s) + 4 SO2(g) + O2(g)
H2SO3(aq) + LiOH(aq) = H2O + Li2SO3 =>
H2SO3(aq) + 2 LiOH(aq) = 2 H2O + Li2SO3
Cl2 + O2 = Cl2O3 =>
2 Cl2 + 3 O2 = 2 Cl2O3
Na2OH + H2S = Na2S + H3O =>
Na2OH + H2S = Na2S + H3O
H2SO4(aq) + Na2CO3(aq) = H2CO3(s) + Na2SO4(aq) =>
H2SO4(aq) + Na2CO3(aq) = H2CO3(s) + Na2SO4(aq)
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
HCl + Br = HBr + Cl2 =>
2 HCl + 2 Br = 2 HBr + Cl2
FeCl3 + KSCN + EDTA = [Fe(SCN)(EDTA)6] + KCl3 =>
FeCl3 + KSCN + 6 EDTA = [Fe(SCN)(EDTA)6] + KCl3
NO2 + H2 = HNO3 + NO =>
4 NO2 + H2 = 2 HNO3 + 2 NO
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
SO4 + KMnO4 = MnSO4 + K2SO4 + O2 =>
3 SO4 + 2 KMnO4 = 2 MnSO4 + K2SO4 + 4 O2
CH3NO2 + Zn + H2SO4 = [CH3NH3]HSO4 + H2O + ZnSO4 =>
CH3NO2 + 3 Zn + 4 H2SO4 = [CH3NH3]HSO4 + 2 H2O + 3 ZnSO4
Pb(NO3)2 + H2O = PbO + HNO3 =>
Pb(NO3)2 + H2O = PbO + 2 HNO3
Ni + I = NiI3 =>
Ni + 3 I = NiI3
NaHS = Na + H + S =>
NaHS = Na + H + S
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
Al = Al{3+} + e =>
Al = Al{3+} + 3e
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CuBr2 + AlCl3 = CuCl2 + AlBr3 =>
3 CuBr2 + 2 AlCl3 = 3 CuCl2 + 2 AlBr3
CCl4 + HCl = C2H6 + Cl2 =>
2 CCl4 + 6 HCl = C2H6 + 7 Cl2
CH3Cl + Na + CH3CH2Cl = CH3CH2CH3 + NaCl =>
CH3Cl + 2 Na + CH3CH2Cl = CH3CH2CH3 + 2 NaCl
Pb[NO3]2 + Fe2[SO4]3 = Fe[NO3]3 + PbSO4 =>
3 Pb[NO3]2 + Fe2[SO4]3 = 2 Fe[NO3]3 + 3 PbSO4
Ag + Fe(No3)3 = AgNo3 + Fe =>
3 Ag + Fe(No3)3 = 3 AgNo3 + Fe
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
K3[Fe(CN)6] + KOH = KCN + Fe(OH)3 =>
K3[Fe(CN)6] + 3 KOH = 6 KCN + Fe(OH)3
ClF3 = Cl + F =>
ClF3 = Cl + 3 F
I2 + NaOH = NaI + NaIO + H2O =>
I2 + 2 NaOH = NaI + NaIO + H2O
Na2SiO3 + HNO3 = NaNO3 + H2SiO3 =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + H2SiO3
C6H6O2 + NaOH = C6H5O2Na + H2O =>
C6H6O2 + NaOH = C6H5O2Na + H2O
Mg(IO3)2 = MgO + I2 + O2 =>
2 Mg(IO3)2 = 2 MgO + 2 I2 + 5 O2
C4H10FO2P + O2 = H3PO4 + CO2 + HF + H2O =>
2 C4H10FO2P + 13 O2 = 2 H3PO4 + 8 CO2 + 2 HF + 6 H2O
K2O + Fe(NO3)3 = K(NO3) + Fe2O3 =>
3 K2O + 2 Fe(NO3)3 = 6 K(NO3) + Fe2O3
C5H8 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
10 C5H8 + 16 KMnO4 + 24 H2SO4 = 25 CH3COOH + 8 K2SO4 + 16 MnSO4 + 14 H2O
C4H10 + O2 = C + H2O =>
2 C4H10 + 5 O2 = 8 C + 10 H2O
K2O + MgCO3 = K2CO3 + MgO =>
K2O + MgCO3 = K2CO3 + MgO
Na2SO4 + Al = Na2S + Al2O3 =>
3 Na2SO4 + 8 Al = 3 Na2S + 4 Al2O3
Na(s) + H2O(l) = H2(g) + NaOH(aq) = H2(g) + O2(g) = H2O(g) =>
2 Na(s) + 2 H2O(l) = H2(g) + 2 NaOH(aq)
Na[Pb(OH)3] + H2SO4 = PbO + Na2SO4 + H2O =>
2 Na[Pb(OH)3] + H2SO4 = 2 PbO + Na2SO4 + 4 H2O
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
Pb + SO3 = Pb(SO3)2 =>
Pb + 2 SO3 = Pb(SO3)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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