| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
CuBr2 + H2SO4 = CuSO4 + BrH =>
CuBr2 + H2SO4 = CuSO4 + 2 BrH
BeBr2 + O2 = BeO + Br2 =>
2 BeBr2 + O2 = 2 BeO + 2 Br2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
Fe(OH)2 + CO2 = FeO2 + CH4 + H2O =>
4 Fe(OH)2 + CO2 = 4 FeO2 + CH4 + 2 H2O
C7H116 + O2 = CO2 + H2O =>
C7H116 + 36 O2 = 7 CO2 + 58 H2O
CHO = C + HO =>
CHO = C + HO
NaCl(s) + Al(s) = ClAl(s) + Na(s) =>
NaCl(s) + Al(s) = ClAl(s) + Na(s)
KCl + P = PCl3 + K =>
3 KCl + P = PCl3 + 3 K
C6H12O6 + SO4{-2} + H{+} = H2S + CO3 + H2O =>
2 C6H12O6 + 9 SO4{-2} + 18 H{+} = 9 H2S + 12 CO3 + 12 H2O
H2S + Mg(OH)3 = H2O + Mg2S3 =>
3 H2S + 2 Mg(OH)3 = 6 H2O + Mg2S3
SrCl2 + HCl = SrCl + HCl2 =>
SrCl2 + HCl = SrCl + HCl2
Na + CuSO4 = Na2SO4 + Cu =>
2 Na + CuSO4 = Na2SO4 + Cu
TiCl4 + Zr(C4H9O)4 = Ti3Zr2O10 + C4H9Cl + ZrO2 =>
3 TiCl4 + 3 Zr(C4H9O)4 = Ti3Zr2O10 + 12 C4H9Cl + ZrO2
HCOOH + KMnO4 + KOH = K2CO3 + H2O + K2MnO4 =>
HCOOH + 2 KMnO4 + 4 KOH = K2CO3 + 3 H2O + 2 K2MnO4
Co + H2SO4 = H + CoSO4 =>
Co + H2SO4 = 2 H + CoSO4
C2H6O + C2H4O2 = C4H8O2 + H2O =>
C2H6O + C2H4O2 = C4H8O2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + CaCl2 = Ca + AlCl3 =>
2 Al + 3 CaCl2 = 3 Ca + 2 AlCl3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2[Zn(OH)4] + HCl = ZnCl2K2O + H2O =>
K2[Zn(OH)4] + 2 HCl = ZnCl2K2O + 3 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
Na + BaOH = NaOH + Ba =>
Na + BaOH = NaOH + Ba
SrH2 + H2O = H2 + SrOH =>
2 SrH2 + 2 H2O = 3 H2 + 2 SrOH
Fe(OH)3 + NaCl = FeCl + Na(OH)3 =>
Fe(OH)3 + NaCl = FeCl + Na(OH)3
CrCl3 + H2 = CrCl2 + HCl =>
2 CrCl3 + H2 = 2 CrCl2 + 2 HCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C2H6S + O2 = CO2 + H2O + SO2 =>
2 C2H6S + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
(NH4)Br = NH4 + Br =>
(NH4)Br = NH4 + Br
H2O + SO2 = HO + SO =>
H2O + SO2 = 2 HO + SO
Pb(NO)3 + Na2CO3 = Pb{2+} + CO3{-2} + Na2(NO)3 =>
Pb(NO)3 + Na2CO3 = Pb{2+} + CO3{-2} + Na2(NO)3
FeCl3 + NaCO3 = FeCO3 + Na + Cl3 =>
FeCl3 + NaCO3 = FeCO3 + Na + Cl3
Ca(OH)2 + LiF = LiOH + CaF2 =>
Ca(OH)2 + 2 LiF = 2 LiOH + CaF2
Ca + Ar = CaAr =>
Ca + Ar = CaAr
NiF2 + (NH4)2S = NiS + NH4F =>
NiF2 + (NH4)2S = NiS + 2 NH4F
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
KSO4 + Ca = K + CaSO4 =>
KSO4 + Ca = K + CaSO4
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
KF = K + F2 =>
2 KF = 2 K + F2
Cr3{+} + OH{-} = CrO42{-} + H2O + e =>
Cr3{+} + 252 OH{-} = 3 CrO42{-} + 126 H2O + 248e
Li + KOH = LiK + OH =>
Li + KOH = LiK + OH
ZnO + NaCl = NaO + ZnCl =>
ZnO + NaCl = NaO + ZnCl
Al(s) + I(s) = AlI3 =>
Al(s) + 3 I(s) = AlI3
Mn + C = Mn3C =>
3 Mn + C = Mn3C
CaO + H2SO4 + H2O = CaSO4*(H2O)2 =>
CaO + H2SO4 + H2O = CaSO4*(H2O)2
Na2[Sn(OH)6] + HCl = SnCl4 + NaOH + H2O =>
Na2[Sn(OH)6] + 4 HCl = SnCl4 + 2 NaOH + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/16/24
Équations équilibrées sur01/15/24
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