| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
HClO3 + Ca(OH)2 = CaCl + O2 + H2O =>
4 HClO3 + 4 Ca(OH)2 = 4 CaCl + 7 O2 + 6 H2O
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
CaC2(s) + H2O(g) = Ca(OH)2(s) + C2H2(g) =>
CaC2(s) + 2 H2O(g) = Ca(OH)2(s) + C2H2(g)
C2H7NO2 + CaO = C4H6O4Ca + NH3 + H2O =>
2 C2H7NO2 + CaO = C4H6O4Ca + 2 NH3 + H2O
SCl2 + H2O = S + H2SO4 + HCl =>
3 SCl2 + 4 H2O = 2 S + H2SO4 + 6 HCl
SO3{2-} + Br2 + H2O = SO4{2-} + Br{-} + H{+} =>
SO3{2-} + Br2 + H2O = SO4{2-} + 2 Br{-} + 2 H{+}
Zn + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + ZnSO4 + K2SO4 =>
3 Zn + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 3 ZnSO4 + K2SO4
Cu(ClO4)2 + H2O = Cu + O2 + HClO4 =>
2 Cu(ClO4)2 + 2 H2O = 2 Cu + O2 + 4 HClO4
KI + (NH4)2S2O8 = I + (NH4)2SO4 + K2SO4 =>
2 KI + (NH4)2S2O8 = 2 I + (NH4)2SO4 + K2SO4
Pb(H2O) + HCl = PbCl2 + H2 + H2O =>
Pb(H2O) + 2 HCl = PbCl2 + H2 + H2O
KI + (NH4)2S2O8 = I + (NH4)2SO4 + K2SO4 =>
2 KI + (NH4)2S2O8 = 2 I + (NH4)2SO4 + K2SO4
SCl2 + H2O = H2SO3 + HCl + S =>
2 SCl2 + 3 H2O = H2SO3 + 4 HCl + S
Br2 + SO3{2-} + H2O = Br{-} + SO4{2-} + H3O{+} =>
Br2 + SO3{2-} + 3 H2O = 2 Br{-} + SO4{2-} + 2 H3O{+}
Fe(OH)2 + MnO4{-} + H2O = Fe(OH)3 + Mn(OH)2 + OH{-} =>
5 Fe(OH)2 + MnO4{-} + 4 H2O = 5 Fe(OH)3 + Mn(OH)2 + OH{-}
KI + (NH4)2S2O8 = K2S2O8 + NH4I =>
2 KI + (NH4)2S2O8 = K2S2O8 + 2 NH4I
(NH4)2S2O8 + KI = (NH4)I + K2S2O8 =>
(NH4)2S2O8 + 2 KI = 2(NH4)I + K2S2O8
Cu(H2O)4 + NH3 = Cu(NH3)4 + H2O =>
Cu(H2O)4 + 4 NH3 = Cu(NH3)4 + 4 H2O
Cd + NH3 = [Cd(NH3)4] =>
Cd + 4 NH3 = [Cd(NH3)4]
FeS2 + HCl + H2O2 = FeCl3 + SO2 + H2O =>
2 FeS2 + 6 HCl + 11 H2O2 = 2 FeCl3 + 4 SO2 + 14 H2O
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
Pb(NO3)2 + K2(SO4) = Pb(SO4) + K2(NO3)2 =>
Pb(NO3)2 + K2(SO4) = Pb(SO4) + K2(NO3)2
Cr2O7 + C = Cr4C + CO2 =>
2 Cr2O7 + 8 C = Cr4C + 7 CO2
Cl2 + KOH = KCl3 + KClO + H2O =>
2 Cl2 + 2 KOH = KCl3 + KClO + H2O
KI + (NH4)2S2O8 = K2S2O8 + NH4I =>
2 KI + (NH4)2S2O8 = K2S2O8 + 2 NH4I
Cd + NH3 = CdNH3 =>
Cd + NH3 = CdNH3
Ge + NaOH + H2O = Na2GeO3 + H2 =>
Ge + 2 NaOH + H2O = Na2GeO3 + 2 H2
Al2(O)3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2(O)3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Pb(NO3)2 + K2(SO4) = PbSO4 + KNO3 =>
Pb(NO3)2 + K2(SO4) = PbSO4 + 2 KNO3
Cu(NO3)2 + Ba(OH)2 = Ba(NO3)2 + Cu(OH)2 =>
Cu(NO3)2 + Ba(OH)2 = Ba(NO3)2 + Cu(OH)2
Ge + NaOH + H2O = Na2GeO3 + H2 =>
Ge + 2 NaOH + H2O = Na2GeO3 + 2 H2
Cd + NH3 = Cd(NH3)4 =>
Cd + 4 NH3 = Cd(NH3)4
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
H4O3 = H2O + O2 =>
2 H4O3 = 4 H2O + O2
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
C15H16O2 + COCl2 + NaOH = (OC6H4C(CH3)2C6H4OCO) + NaCl + H2O =>
C15H16O2 + COCl2 + 2 NaOH = (OC6H4C(CH3)2C6H4OCO) + 2 NaCl + 2 H2O
P2O5 + Zn(OH)2 = H3PO4 + ZnO =>
P2O5 + 3 Zn(OH)2 = 2 H3PO4 + 3 ZnO
Pb(NO3)2 + K2(SO4) = Pb(SO4) + K(NO3) =>
Pb(NO3)2 + K2(SO4) = Pb(SO4) + 2 K(NO3)
FeCl2 + Cl3NNClO3 = Cl2 + Fe(NO3)2 + NCl3 =>
FeCl2 + 2 Cl3NNClO3 = 2 Cl2 + Fe(NO3)2 + 2 NCl3
Cd + NH3 = Cd(NH3)2 =>
Cd + 2 NH3 = Cd(NH3)2
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
Ni3N2 = Ni + N2 =>
Ni3N2 = 3 Ni + N2
LiOH + HIO3 = LiIO3 + H2O =>
LiOH + HIO3 = LiIO3 + H2O
C15H16O2 + COCl2 + NaOH = NaCl + C16H14O3 + H2O =>
C15H16O2 + COCl2 + 2 NaOH = 2 NaCl + C16H14O3 + 2 H2O
C15H16O2 + COCl2 + NaOH = NaCl + (C16H14O3)50 + H2O =>
50 C15H16O2 + 50 COCl2 + 100 NaOH = 100 NaCl + (C16H14O3)50 + 100 H2O
Y2O3 + BaCO3 + Fe2O3 + CuO = YBaCuFeO5 + CO2 =>
Y2O3 + 2 BaCO3 + Fe2O3 + 2 CuO = 2 YBaCuFeO5 + 2 CO2
H2C2O4 + Na(OH) = Na2C2O4 + H2O =>
H2C2O4 + 2 Na(OH) = Na2C2O4 + 2 H2O
C3H5NH2 + O2 = CO2 + H2O + NO2 =>
4 C3H5NH2 + 23 O2 = 12 CO2 + 14 H2O + 4 NO2
C15H16O2 + COCl2 + NaOH = (OC6H4C(CH3)2C6H4OCO)50 + NaCl + H2O =>
50 C15H16O2 + 50 COCl2 + 100 NaOH = (OC6H4C(CH3)2C6H4OCO)50 + 100 NaCl + 100 H2O
Na2O + Cl2O = Na2Cl2 + O2 =>
Na2O + Cl2O = Na2Cl2 + O2
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Équations équilibrées sur11/25/24
Équations équilibrées sur12/25/23
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