| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3(s) = Na2O(s) + 2 CO2(g) + H2O(g)
NaOH + Sr(NO3)2 = Na(NO3)2 + SrOH =>
NaOH + Sr(NO3)2 = Na(NO3)2 + SrOH
Mg2 + FeNO3 = Mg(NO3)2 + Fe =>
Mg2 + 4 FeNO3 = 2 Mg(NO3)2 + 4 Fe
Al2S3 + NaOH = Na[Al(OH)4] + Na2S =>
Al2S3 + 8 NaOH = 2 Na[Al(OH)4] + 3 Na2S
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
Na2CO3 + K(OH) = K2CO3 + NaOH =>
Na2CO3 + 2 K(OH) = K2CO3 + 2 NaOH
HC2H3O2 + Na2CO3 = H2O + CO2 + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = H2O + CO2 + 2 NaC2H3O2
MgCl2(aq) + Br2(l) = Cl2(l) + MgBr2(aq) =>
MgCl2(aq) + Br2(l) = Cl2(l) + MgBr2(aq)
Al2O3 + Na2S = Na2O + Al2S3 =>
Al2O3 + 3 Na2S = 3 Na2O + Al2S3
Sr + K3PO4 = Sr3(PO4)2 + K =>
3 Sr + 2 K3PO4 = Sr3(PO4)2 + 6 K
Li2CO3 + Al(NO3)3 = LiNO3 + Al2(CO3)3 =>
3 Li2CO3 + 2 Al(NO3)3 = 6 LiNO3 + Al2(CO3)3
SO3 + Cl2 + H2O = (SO4)2{-} + Cl{-} + H{+} =>
4 SO3 + 3 Cl2 + 4 H2O = 2(SO4)2{-} + 6 Cl{-} + 8 H{+}
Ag1 + Cl7 = AgCl =>
7 Ag1 + Cl7 = 7 AgCl
Mg(NO3)2 + KOH = Mg(OH)2 + K(NO3) =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 K(NO3)
MoSi2 + SiO2 = Mo5Si3 + SiO =>
5 MoSi2 + 7 SiO2 = Mo5Si3 + 14 SiO
P4(s) + S8(s) = P4S3(g) =>
8 P4(s) + 3 S8(s) = 8 P4S3(g)
KOHAgNO3 = AgOHKNO3 =>
KOHAgNO3 = AgOHKNO3
FeS + H2O2 = O2 + H2S + Fe =>
FeS + H2O2 = O2 + H2S + Fe
Mg(s) + HCl(g) = MgCl2(s) + H2(g) =>
Mg(s) + 2 HCl(g) = MgCl2(s) + H2(g)
Na2S2O3 + NaAsO2 + HCl = As2S3 + Na2SO4 + NaCl + H2O =>
3 Na2S2O3 + 2 NaAsO2 + 2 HCl = As2S3 + 3 Na2SO4 + 2 NaCl + H2O
C21H30O2 + O3 = CO2 + H2O =>
3 C21H30O2 + 55 O3 = 63 CO2 + 45 H2O
Mo7O24 + Mg + HCl = Mo5O14 + MgCl2 + H2O =>
5 Mo7O24 + 22 Mg + 44 HCl = 7 Mo5O14 + 22 MgCl2 + 22 H2O
ZnCl2 + LiOH = LiCl + Zn(OH)2 =>
ZnCl2 + 2 LiOH = 2 LiCl + Zn(OH)2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Cu + HCO3 = Cu(HCO3) =>
Cu + HCO3 = Cu(HCO3)
CoCl(aq) + KNO3(aq) = CoNO3(aq) + KCl(aq) =>
CoCl(aq) + KNO3(aq) = CoNO3(aq) + KCl(aq)
COBr2 + NO = NOBr + CO =>
COBr2 + 2 NO = 2 NOBr + CO
NiSO4(aq) + ZnCl2(aq) = NiCl2 + ZnSO4 =>
NiSO4(aq) + ZnCl2(aq) = NiCl2 + ZnSO4
C2H5OH + Cr2O72{-2} + H{+} = CH3CHO + Cr{+3} + H2O =>
68 C2H5OH + Cr2O72{-2} + 8 H{+} = 68 CH3CHO + 2 Cr{+3} + 72 H2O
Al(s) + CuCl2(aq) = AlCl3(aq) + Cu(s) =>
2 Al(s) + 3 CuCl2(aq) = 2 AlCl3(aq) + 3 Cu(s)
KMnO4 + NO + H2SO4 = K2SO4 + MnSO4 + NO2 + H2O =>
2 KMnO4 + 5 NO + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 NO2 + 3 H2O
Mn3O4(l) + Al(s) = Al2O3(s) + Mn(s) =>
3 Mn3O4(l) + 8 Al(s) = 4 Al2O3(s) + 9 Mn(s)
C6N6FeK4 + Fe = [Fe(C6N6FeK4)] =>
C6N6FeK4 + Fe = [Fe(C6N6FeK4)]
Ti2Nb2N3F2 = NbN + TiN + Nb2F5 + Nb =>
5 Ti2Nb2N3F2 = 5 NbN + 10 TiN + 2 Nb2F5 + Nb
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
ClO3{-} + HNO2 = Cl{-} + NO3 + H =>
ClO3{-} + 3 HNO2 = Cl{-} + 3 NO3 + 3 H
KMnO4 + FeSO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
HI + Ir(OH)4 = IrHI5 + H2O =>
5 HI + Ir(OH)4 = IrHI5 + 4 H2O
CuO + SCN = Cu2(SCN)2 + O =>
2 CuO + 2 SCN = Cu2(SCN)2 + 2 O
Al + H{+} = Al{3+H2{+} =>
Al + 6 H{+} = Al{3+3H2{+}
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu + NaO = CuO + Na =>
Cu + NaO = CuO + Na
NO2 + Al + H2O + OH{-} = NH3 + AlO2{-} =>
3 NO2 + 7 Al + H2O + 7 OH{-} = 3 NH3 + 7 AlO2{-}
HCl + NaCN = HCN + NaCl = =>
HCl + NaCN = HCN + NaCl
Cu(oh)2 + CaCl2 = CuCl2 + Ca(oh)2 =>
Cu(oh)2 + 2 CaCl2 = 2 CuCl2 + Ca(oh)2
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
Al2O3 + Na2S = Na2O + Al2S3 =>
Al2O3 + 3 Na2S = 3 Na2O + Al2S3
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
AlCl3 + Cs = Al + Cs3Cl3 =>
AlCl3 + 3 Cs = Al + Cs3Cl3
Ag{+} + I{-}{+} = AgI =>
Ag{+} + I{-}{+} = AgI
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/16/25
Équations équilibrées sur04/15/24
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