| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
Ba(ClO3)2 = BaCl2 + O2 =>
Ba(ClO3)2 = BaCl2 + 3 O2
Fe3O4 + C = Fe + CO2 =>
Fe3O4 + 2 C = 3 Fe + 2 CO2
CaCl2 + K4[Fe(CN)6] = Ca2[Fe(CN)6] + KCl =>
2 CaCl2 + K4[Fe(CN)6] = Ca2[Fe(CN)6] + 4 KCl
PbCl2 + K2CrO4 = PbCrO4 + KCl =>
PbCl2 + K2CrO4 = PbCrO4 + 2 KCl
Ba(OH)2(aq) + H2SO4(aq) = BaSO4 + H2O =>
Ba(OH)2(aq) + H2SO4(aq) = BaSO4 + 2 H2O
Na2Cr2O7 + S = Na2SO4 + Cr2O3 =>
Na2Cr2O7 + S = Na2SO4 + Cr2O3
Ca(OH)2 + S = CaS4 + CaS2O3 + H2O =>
3 Ca(OH)2 + 10 S = 2 CaS4 + CaS2O3 + 3 H2O
SiO2 + OH{-} = SiO4{4-} + H2O =>
SiO2 + 4 OH{-} = SiO4{4-} + 2 H2O
Pb(CH3COO)2 + KOH = Pb(OH) + K(CH3COO)2 =>
Pb(CH3COO)2 + KOH = Pb(OH) + K(CH3COO)2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Sr(OH)2 + AgNO3 = Sr(NO3)2 + Ag(OH) =>
Sr(OH)2 + 2 AgNO3 = Sr(NO3)2 + 2 Ag(OH)
Ag + Fe2O3 = Ag2O + Fe =>
6 Ag + Fe2O3 = 3 Ag2O + 2 Fe
Cu(OH)2 + KOH = K2[Cu(OH)4] =>
Cu(OH)2 + 2 KOH = K2[Cu(OH)4]
Cr + Cu(NO3)2 = Cr(NO3)3 + Cu =>
2 Cr + 3 Cu(NO3)2 = 2 Cr(NO3)3 + 3 Cu
Cu(NO3)2 + K3Fe(CN)6 = KNO3 + Cu3[Fe(CN)6]2 =>
3 Cu(NO3)2 + 2 K3Fe(CN)6 = 6 KNO3 + Cu3[Fe(CN)6]2
AsH3 + H2SO4 = H3AsO4 + SO2 + H2O =>
AsH3 + 4 H2SO4 = H3AsO4 + 4 SO2 + 4 H2O
Sb + H2S = SbS + H2 =>
Sb + H2S = SbS + H2
Sr(OH)2 + H2O = HSr(OH)2 + OH =>
Sr(OH)2 + H2O = HSr(OH)2 + OH
Mg(CIO3)2 = (CIO3)2Mg =>
Mg(CIO3)2 = (CIO3)2Mg
Fe2 + CuCl2 = FeCl2 + Cu2 =>
Fe2 + 2 CuCl2 = 2 FeCl2 + Cu2
K2S(aq) + BaCl2(aq) = K2Cl2 + BaS =>
K2S(aq) + BaCl2(aq) = K2Cl2 + BaS
CrSO4 + KOH = KSO4 + Cr(OH) =>
CrSO4 + KOH = KSO4 + Cr(OH)
PbS2 + HNO3 = Pb(NO3)2 + NO2 + S + H2O =>
PbS2 + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 S + 2 H2O
Mg(s) + HCl(l) = MgCl(aq) + H2(g) =>
2 Mg(s) + 2 HCl(l) = 2 MgCl(aq) + H2(g)
Cu{2+} + Cr = Cu{+} + Cr{3+} =>
3 Cu{2+} + Cr = 3 Cu{+} + Cr{3+}
Mg(OH)2 + H4P2O7 = Mg(H3P2O7)2 + H2O =>
Mg(OH)2 + 2 H4P2O7 = Mg(H3P2O7)2 + 2 H2O
Ai2S3 + H2O = Ai(OH)3 + H2S =>
Ai2S3 + 6 H2O = 2 Ai(OH)3 + 3 H2S
Cl + O2 = Cl2O7 =>
4 Cl + 7 O2 = 2 Cl2O7
CI + NaI = NaCI + I =>
CI + NaI = NaCI + I
KF + Ca(NO3)2 = KNO3 + CaF2 =>
2 KF + Ca(NO3)2 = 2 KNO3 + CaF2
SIO + H2O = H2SIO2 =>
SIO + H2O = H2SIO2
C2H4(g) + H2O(g) = C2H5OH(l) =>
C2H4(g) + H2O(g) = C2H5OH(l)
MnO4 + Fe + H = Mn + FeH2O =>
MnO4 + 4 Fe + 8 H = Mn + 4 FeH2O
Ca(OCl)2 + H2O = HOCl + Ca(OH)2 =>
Ca(OCl)2 + 2 H2O = 2 HOCl + Ca(OH)2
SO2 + NaOH = S(OH)2 + NaO =>
SO2 + 2 NaOH = S(OH)2 + 2 NaO
MgSO4 + NH4Cl = (NH4)2SO4 + MgCl2 =>
MgSO4 + 2 NH4Cl = (NH4)2SO4 + MgCl2
Ca(HCO3)2 + Ba(OH)2 = BaCO3 + Ca(OH)2 + H2O =>
Ca(HCO3)2 + 2 Ba(OH)2 = 2 BaCO3 + Ca(OH)2 + 2 H2O
Al + KNO3 = Al2O3 + K2O + N2 =>
10 Al + 6 KNO3 = 5 Al2O3 + 3 K2O + 3 N2
Na2(CO3) + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2(CO3) + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
Zr + HNO3 = Zr(NO3)4 + H2 =>
Zr + 4 HNO3 = Zr(NO3)4 + 2 H2
Ba + NaO = BaO + Na =>
Ba + NaO = BaO + Na
SO2 + OH = SO3 + H2O =>
SO2 + 2 OH = SO3 + H2O
C13H10O + NaBH4 + H2O = C13H12O + NaB(OH)4 =>
4 C13H10O + NaBH4 + 4 H2O = 4 C13H12O + NaB(OH)4
P4(s) + Br2(g) = PBr5(s) =>
P4(s) + 10 Br2(g) = 4 PBr5(s)
NH3 + H3BO3 = (NH4)2B4O7 + H2O =>
2 NH3 + 4 H3BO3 = (NH4)2B4O7 + 5 H2O
Mn2O7 + H2O = HMnO4 =>
Mn2O7 + H2O = 2 HMnO4
Au(NO3)3 + K2CrO4 = Au2(CrO4)3 + KNO3 =>
2 Au(NO3)3 + 3 K2CrO4 = Au2(CrO4)3 + 6 KNO3
Bi + I = BiI3 =>
Bi + 3 I = BiI3
J{-} + BrO3{-} + H3O{+} = J2 + Br{-} + H2O =>
6 J{-} + BrO3{-} + 6 H3O{+} = 3 J2 + Br{-} + 9 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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