Équations équilibrées la veille |
2 HgO = 2 Hg + O2
C75H110O62N + O2 = CO2 + H2O + NH3 =>
4 C75H110O62N + 283 O2 = 300 CO2 + 214 H2O + 4 NH3
HClO4 + KOH = H2O + KCl + O2 =>
HClO4 + KOH = H2O + KCl + 2 O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SeO2(g) + H2Se(g) = Se(s) + H2O(l) =>
SeO2(g) + 2 H2Se(g) = 3 Se(s) + 2 H2O(l)
Zn(OH)2 + Pb3(PO4)2 = Zn3(PO4)2 + Pb(OH)2 =>
3 Zn(OH)2 + Pb3(PO4)2 = Zn3(PO4)2 + 3 Pb(OH)2
As2S3 + H2O2 + NH3 = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH3 = 2(NH4)3AsO4 + 3(NH4)2SO4 + 8 H2O
Mn + N = Mn3N2 =>
3 Mn + 2 N = Mn3N2
Ba + (CO3) = BaCO3 =>
Ba + (CO3) = BaCO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Na2SiO3 + HCl = SiO2 + H2O + NaCl =>
Na2SiO3 + 2 HCl = SiO2 + H2O + 2 NaCl
Eu(s) + HF(g) = EuF3(s) + H2(g) =>
2 Eu(s) + 6 HF(g) = 2 EuF3(s) + 3 H2(g)
Bi2O3 + NaClO + NaOH = NaBiO3NaCl + H2O =>
Bi2O3 + 2 NaClO + 2 NaOH = 2 NaBiO3NaCl + H2O
KClO + I2 + H2SO4 = HIO3 + K2SO4 + Cl2 + H2O =>
10 KClO + I2 + 5 H2SO4 = 2 HIO3 + 5 K2SO4 + 5 Cl2 + 4 H2O
MnO2(s) + C(s) = Mn(s) + CO2(g) =>
MnO2(s) + C(s) = Mn(s) + CO2(g)
Fe + KOH + H2O = K3[Fe(OH)6] + H2 =>
2 Fe + 6 KOH + 6 H2O = 2 K3[Fe(OH)6] + 3 H2
I2 + HSO3{-} + H2O = I{-} + SO4{2-} + H{+} =>
I2 + HSO3{-} + H2O = 2 I{-} + SO4{2-} + 3 H{+}
I2 + Cl2 + H2O = IO + HCl =>
I2 + 2 Cl2 + 2 H2O = 2 IO + 4 HCl