| Équations équilibrées la veille |
Ba + 2 H2SO4 = Ba(SO4)2 + 2 H2
NaCl + SrS = Na2S + SrCl2 =>
2 NaCl + SrS = Na2S + SrCl2
CoBr3 + Cl2 = Cl2Co + Br =>
CoBr3 + Cl2 = Cl2Co + 3 Br
Al + Ca3P2 = AlP + Ca =>
2 Al + Ca3P2 = 2 AlP + 3 Ca
V + Br = VBr2 =>
V + 2 Br = VBr2
Mg + H2O = Mg(OH) + H =>
Mg + H2O = Mg(OH) + H
Ag(NO3) + NiCl2 = AgCl + Ni(NO3)2 =>
2 Ag(NO3) + NiCl2 = 2 AgCl + Ni(NO3)2
LiCl + AgNO3 = AgCl + LiNO3 =>
LiCl + AgNO3 = AgCl + LiNO3
Na3PO4(aq) + SrCl2(aq) = Na3Cl2(aq) + SrPO4(s) =>
Na3PO4(aq) + SrCl2(aq) = Na3Cl2(aq) + SrPO4(s)
H2S + Cl2 = HCl + SCl2 =>
H2S + 2 Cl2 = 2 HCl + SCl2
N2 + NaOH = NaN + OH =>
N2 + 2 NaOH = 2 NaN + 2 OH
Fe(OH)3 + Cl2O7 = Fe(ClO4)3 + H2O =>
2 Fe(OH)3 + 3 Cl2O7 = 2 Fe(ClO4)3 + 3 H2O
Mn + O = Mn2O3 =>
2 Mn + 3 O = Mn2O3
FeSO4 + NaHCO3 = FeCO3 + Na2SO4 + H2O + CO2 =>
FeSO4 + 2 NaHCO3 = FeCO3 + Na2SO4 + H2O + CO2
C16H32O2 + C3H8O3 = C19H34O4 + H2O =>
10 C16H32O2 + 29 C3H8O3 = 13 C19H34O4 + 55 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + O2 =>
2 K2Cr2O7 + 16 HCl = 4 KCl + 4 CrCl3 + 8 H2O + 3 O2
GeO2 + HF = GeF4 + H2O =>
GeO2 + 4 HF = GeF4 + 2 H2O
Hg(NO3)2 + NaCl = HgCl2 + Na + NO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 Na + 2 NO3
S + C = C4S2 =>
2 S + 4 C = C4S2
Ni(NH3)Cl2 + HNO3 = NH4{+} + Ni{2+} + Cl{-} + NO3{-} =>
Ni(NH3)Cl2 + HNO3 = NH4{+} + Ni{2+} + 2 Cl{-} + NO3{-}
HgO + Cl2 = ClO2 + Hg =>
4 HgO + Cl2 = 2 ClO2 + 4 Hg
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Cu(NH3)4{2+} + S2O4{2-} + H2O = SO3{2-} + NH3 + Cu + H{+} =>
Cu(NH3)4{2+} + S2O4{2-} + 2 H2O = 2 SO3{2-} + 4 NH3 + Cu + 4 H{+}
TiBr4 = Ti + Br =>
TiBr4 = Ti + 4 Br
Be(OH)2 + OH = Be(OH)4 =>
Be(OH)2 + 2 OH = Be(OH)4
Sb3 + I = SbI3 =>
Sb3 + 9 I = 3 SbI3
Cl2 + NaOH = NaOCl + NaCl + H2O =>
Cl2 + 2 NaOH = NaOCl + NaCl + H2O
C10H16(l) + Cl2 = HCl(g) + C(s) =>
C10H16(l) + 8 Cl2 = 16 HCl(g) + 10 C(s)
Cr2O7 + C2O = Cr + CO2 =>
3 Cr2O7 + 7 C2O = 6 Cr + 14 CO2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Al(s) + FeCl2(aq) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 AlCl3(aq)
C8H6 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + H2O + K2SO4 =>
35 C8H6 + 26 KMnO4 + 39 H2SO4 = 40 C7H6O2 + 26 MnSO4 + 24 H2O + 13 K2SO4
Na2 + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2 + 2 H2SO4 = Na2SO4 + SO2 + 2 H2O
CuO + H3N = N2 + Cu + H2O =>
3 CuO + 2 H3N = N2 + 3 Cu + 3 H2O
Al + Ca3P2 = AlP + Ca =>
2 Al + Ca3P2 = 2 AlP + 3 Ca
Na(OH)2 + CO2 = NaH2CO4 =>
Na(OH)2 + CO2 = NaH2CO4
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
Rh2S3 + O2 = Rh{3+} + SO4{2-} =>
Rh2S3 + 6 O2 = 2 Rh{3+} + 3 SO4{2-}
BCl + NaSO4 = NaCl + BSO4 =>
BCl + NaSO4 = NaCl + BSO4
Mg(NO3)2*6H2O = MgO + HNO3 + H2O =>
Mg(NO3)2*6H2O = MgO + 2 HNO3 + 5 H2O
H[AuCl4] + KOH = Au(OH)3 + KCl + H2O =>
H[AuCl4] + 4 KOH = Au(OH)3 + 4 KCl + H2O
Ni(NH3)6Cl2 + HNO3 = NH4{+} + Ni{2+} + Cl{-} + NO3{-} =>
Ni(NH3)6Cl2 + 6 HNO3 = 6 NH4{+} + Ni{2+} + 2 Cl{-} + 6 NO3{-}
NaI(aq) + AlCl3(aq) = NaCl(aq) + AlI3(s) =>
3 NaI(aq) + AlCl3(aq) = 3 NaCl(aq) + AlI3(s)
NH4NO3 + NaSO4 = NH4SO4 + NaNO3 =>
NH4NO3 + NaSO4 = NH4SO4 + NaNO3
Mn{4+} + {-} = Mn{2+} =>
Mn{4+} + 2e = Mn{2+}
Co(H2O)6{2+} + SCN{-} = Co(H2O)6 + Co(SCN)4 + H2O =>
2 Co(H2O)6{2+} + 4 SCN{-} = Co(H2O)6 + Co(SCN)4 + 6 H2O
SIO2 + O2 = SIO3 =>
2 SIO2 + O2 = 2 SIO3
C7H8O + Cr2O7{2-} + H{+} = C7H6O + Cr{3+} + H2O =>
3 C7H8O + Cr2O7{2-} + 8 H{+} = 3 C7H6O + 2 Cr{3+} + 7 H2O
Ca(NO3)2 + HBr = CaBr2 + NO3H =>
Ca(NO3)2 + 2 HBr = CaBr2 + 2 NO3H
C4H10O + K2Cr2O7 + H2SO4 = C4H8O + K2Cr2SO4 + H2O =>
6 C4H10O + K2Cr2O7 + H2SO4 = 6 C4H8O + K2Cr2SO4 + 7 H2O
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