| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Pb(NO3)2 = 4 NO2 + O2 + 2 PbO
Cu{2+} + HS{-} + H2O = Cu2S + SO4{2-} + H{+} =>
8 Cu{2+} + 5 HS{-} + 4 H2O = 4 Cu2S + SO4{2-} + 13 H{+}
BaCl2 + Br2 = BaBr2 + Cl2 =>
BaCl2 + Br2 = BaBr2 + Cl2
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2SiF6 + Na2CO3 = Na2SiF6 + CO2 + H2O =>
H2SiF6 + Na2CO3 = Na2SiF6 + CO2 + H2O
CH3CH2OH + CrO7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
9 CH3CH2OH + 4 CrO7{2-} + 20 H{+} = 9 CH3COOH + 4 Cr{3+} + 19 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + H2O + K2Cr2(SO4)4 =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + 7 H2O + K2Cr2(SO4)4
KNO3 + NH4Cl = KCl + NH4(NO3) =>
KNO3 + NH4Cl = KCl + NH4(NO3)
Al + H2O = Al2O3 + H6 =>
2 Al + 3 H2O = Al2O3 + H6
NiCl2 + H2O2 = Ni(OH)3 + Cl =>
2 NiCl2 + 3 H2O2 = 2 Ni(OH)3 + 4 Cl
HClCHCl3 = CH2Cl4 =>
HClCHCl3 = CH2Cl4
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
MnO4{-} + (COOH)2 + H{+} = Mn2{+} + CO2(g) + H2O =>
4 MnO4{-} + 13(COOH)2 + 6 H{+} = 2 Mn2{+} + 26 CO2(g) + 16 H2O
C8H16 = C + H =>
C8H16 = 8 C + 16 H
NO3 = N + O2 =>
2 NO3 = 2 N + 3 O2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Na2CrO4 + KIO3 = Na2(IO3)2 + K2CrO4 =>
Na2CrO4 + 2 KIO3 = Na2(IO3)2 + K2CrO4
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
KF + HCl = KCl + HF =>
KF + HCl = KCl + HF
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
iron + copper(II)chloride = iron(II)chloride + copper =>
Fe + CuCl2 = FeCl2 + Cu
Na2CO3(s) + H2SO4(aq) = Na2CO2(s) + SO4 + H2O =>
Na2CO3(s) + H2SO4(aq) = Na2CO2(s) + SO4 + H2O
PBr5 + H2O = H3PO4 + HBr =>
PBr5 + 4 H2O = H3PO4 + 5 HBr
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
CaCO3 + HCl = CaCl2 + H2CO3 = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
CuCl2 + H2 = Cu + HCl =>
CuCl2 + H2 = Cu + 2 HCl
AsH3 + OH = H3AsO4 + H2O =>
AsH3 + 8 OH = H3AsO4 + 4 H2O
H2O + MnO4{-} + SO3{2-} = MnO2 + SO4{2-} + OH{-} =>
H2O + 2 MnO4{-} + 3 SO3{2-} = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
C6H5ONa + Br2 = C6H2OHBr + HBr + Na =>
2 C6H5ONa + 3 Br2 = 2 C6H2OHBr + 4 HBr + 2 Na
Sr + N2 = Sr3N2 =>
3 Sr + N2 = Sr3N2
H3BO3 = H2OHBO2 =>
H3BO3 = H2OHBO2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
NO2 + KOH = KNO2 + KNO3 + H2O =>
2 NO2 + 2 KOH = KNO2 + KNO3 + H2O
Sr + HClO3 = H + SrClO3 =>
Sr + HClO3 = H + SrClO3
KSCN + H2O = KOH + HSCN =>
KSCN + H2O = KOH + HSCN
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Pb(NO3)4 + (NH4)3PO4 = Pb3(PO4)4 + NH4NO3 =>
3 Pb(NO3)4 + 4(NH4)3PO4 = Pb3(PO4)4 + 12 NH4NO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HClO4 = HCl + O2 =>
HClO4 = HCl + 2 O2
[Me4N]2[CuCl4] + NaOH = [Me4N]4[Cu4OCl10] + [Me4N]Cl + H2O + NaCl =>
4[Me4N]2[CuCl4] + 2 NaOH = [Me4N]4[Cu4OCl10] + 4[Me4N]Cl + H2O + 2 NaCl
Al(OH)Cl2 + HCl = AlCl3 + H2O =>
Al(OH)Cl2 + HCl = AlCl3 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/17/24
Équations équilibrées sur01/16/24
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