| Équations équilibrées la veille | Équations équilibrées le lendemain |
BeCl2 + 2 KOH + 2 H2O = K2[Be(OH)4] + 2 HCl
(CH3)2C6H4 + O = (COOH)2C6H4 + H2O =>
(CH3)2C6H4 + 6 O = (COOH)2C6H4 + 2 H2O
CH3CH2OOH + NaOH = CH3CH2OONa + H2O =>
CH3CH2OOH + NaOH = CH3CH2OONa + H2O
Li2CrO4 + FeCl3 = LiCl + Fe2(CrO4)3 =>
3 Li2CrO4 + 2 FeCl3 = 6 LiCl + Fe2(CrO4)3
Na2Cr2O7 + H2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 H2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
(I)2 + (Na)2(S)2(O)3 = NaI + (Na)2(S)4(O)6 =>
(I)2 + 2(Na)2(S)2(O)3 = 2 NaI + (Na)2(S)4(O)6
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH3(CH2)CH3 + O2 = CO2 + H2O = CO2 + H2O =>
CH3(CH2)CH3 + 5 O2 = 3 CO2 + 4 H2O
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
CH3CH2CHOH + O2 = H2O + CO2 =>
4 CH3CH2CHOH + 17 O2 = 14 H2O + 12 CO2
CaCO3 + H3BO3 = CaBO3 + H3CO3 =>
CaCO3 + H3BO3 = CaBO3 + H3CO3
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Ra + Br2 = RaBr2 =>
Ra + Br2 = RaBr2
Pt + KOH + KNO3 + H2O = K2PtO4 + NH3 =>
4 Pt + 5 KOH + 3 KNO3 + 2 H2O = 4 K2PtO4 + 3 NH3
Si + MoO = SiO2 + Mo =>
Si + 2 MoO = SiO2 + 2 Mo
Hg + NO3{-} + Cl{-} + H{+} = Hg(Cl4)2 + NO + H2O =>
3 Hg + 8 NO3{-} + 24 Cl{-} + 32 H{+} = 3 Hg(Cl4)2 + 8 NO + 16 H2O
C65H12O6 + O2 = CO2 + H2O =>
C65H12O6 + 65 O2 = 65 CO2 + 6 H2O
Hg2 + N2 = Hg2N2 =>
Hg2 + N2 = Hg2N2
[Co(H2O)6](NO3)2 + CH3COONa + H2O2 + HAcAc = Co(AcAc)3 + NaNO3 + CH3COOH + H2O =>
2[Co(H2O)6](NO3)2 + 4 CH3COONa + H2O2 + 6 HAcAc = 2 Co(AcAc)3 + 4 NaNO3 + 4 CH3COOH + 14 H2O
Nb2O5 + H2SO4 + (NH4)2SO4 = (NH4)3[Nb(SO4)4] + H2O =>
Nb2O5 + 5 H2SO4 + 3(NH4)2SO4 = 2(NH4)3[Nb(SO4)4] + 5 H2O
Fe + S = FeS =>
Fe + S = FeS
Ca(s) + ScF3(s) = Sc(s) + CaF2(s) =>
3 Ca(s) + 2 ScF3(s) = 2 Sc(s) + 3 CaF2(s)
FeCl{+} = Fe{2+} + Cl{-} =>
FeCl{+} = Fe{2+} + Cl{-}
P + KMnO4 = P2O5 + MnO2 + K2MnO4 =>
4 P + 10 KMnO4 = 2 P2O5 + 5 MnO2 + 5 K2MnO4
Al2(C2H3O2) + Na(OH)2 = Al(OH)2 + Na2(C2H3O2) =>
Al2(C2H3O2) + 2 Na(OH)2 = 2 Al(OH)2 + Na2(C2H3O2)
Ni{2+} + H2Y{2-} = NiY{2-} + H{+} =>
Ni{2+} + H2Y{2-} = NiY{2-} + 2 H{+}
Na + AgO = NaO + Ag =>
Na + AgO = NaO + Ag
Fe(NO3)3 + KOH = Fe(OH)3 + KNO3 =>
Fe(NO3)3 + 3 KOH = Fe(OH)3 + 3 KNO3
Pb{4+} + Fe{2+} = Fe{3+} + Pb{2+} =>
Pb{4+} + 2 Fe{2+} = 2 Fe{3+} + Pb{2+}
HCOOH + MgCO3 = HCOOMg + CO2 + H2O =>
3 HCOOH + 2 MgCO3 = 2 HCOOMg + 3 CO2 + 2 H2O
Br(OH)2 + HCl = BrCl + H(OH)2 =>
Br(OH)2 + HCl = BrCl + H(OH)2
SO2 + HNO3 = NO2 + H2SO4 =>
SO2 + 2 HNO3 = 2 NO2 + H2SO4
Ca + Fe2(SO4)3(aq) = Ca2(SO4)2 + Fe3 =>
18 Ca + 6 Fe2(SO4)3(aq) = 9 Ca2(SO4)2 + 4 Fe3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu(H2O)6 + NaOH = Cu(OH)2 + Na + (H2O) =>
Cu(H2O)6 + 2 NaOH = Cu(OH)2 + 2 Na + 6(H2O)
Ba(OH)2 + (NH4)2CO3 = Ba(CO3) + NH4OH =>
Ba(OH)2 + (NH4)2CO3 = Ba(CO3) + 2 NH4OH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
BaS + O3 = BaO + SO =>
3 BaS + 2 O3 = 3 BaO + 3 SO
SO3 + Fe = SO + Fe2O3 =>
3 SO3 + 4 Fe = 3 SO + 2 Fe2O3
HCl + KNO2 = KCl + HNO2 =>
HCl + KNO2 = KCl + HNO2
Mn{2+} + OH{-} = MnO4{-} + H2O + e =>
Mn{2+} + 8 OH{-} = MnO4{-} + 4 H2O + 5e
CH2 + Br2 = CH2Br2 =>
CH2 + Br2 = CH2Br2
Cu2S + O2 = Cu + SO2 =>
Cu2S + O2 = 2 Cu + SO2
Mg(OH)2 + Zn(NO3)2 = Zn(OH)2 + Mg(NO3)2 =>
Mg(OH)2 + Zn(NO3)2 = Zn(OH)2 + Mg(NO3)2
Ce + O2 = CeO =>
2 Ce + O2 = 2 CeO
Zn + KOH + H2O = K[Zn(OH)3] + H2 =>
Zn + KOH + 2 H2O = K[Zn(OH)3] + H2
NaNO2 + H2SO4 = Na2SO4 + NO2 + H2 =>
2 NaNO2 + H2SO4 = Na2SO4 + 2 NO2 + H2
Al(OH)3 + HNo2 = Al(OH)2No2 + H2O =>
Al(OH)3 + HNo2 = Al(OH)2No2 + H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/13/24
Équations équilibrées sur01/12/24
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