| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na + O2 + 2 H2 = NaH4O2
H3BO4 + Be(OH)2 = Be3(BO4)2 + H2O =>
2 H3BO4 + 3 Be(OH)2 = Be3(BO4)2 + 6 H2O
CrCl2 + O2 + HCl = H2O + CrCl3 =>
4 CrCl2 + O2 + 4 HCl = 2 H2O + 4 CrCl3
Cu(NH3)4(Cl)2 + KCN + H2O = NH3 + NH4Cl + K2Cu(CN)3 + KCNO + KCl =>
2 Cu(NH3)4(Cl)2 + 7 KCN + H2O = 6 NH3 + 2 NH4Cl + 2 K2Cu(CN)3 + KCNO + 2 KCl
RbCl + O = RbClO3 =>
RbCl + 3 O = RbClO3
HClO3 + (OH)2 = ClO3 + H2O =>
2 HClO3 + (OH)2 = 2 ClO3 + 2 H2O
MnO2 + ClO3{-} + OH{-} = MnO4{-} + Cl{2-} + H2O =>
7 MnO2 + 3 ClO3{-} + 10 OH{-} = 7 MnO4{-} + 3 Cl{2-} + 5 H2O
C + S = CS2 =>
C + 2 S = CS2
MnCl2 + OH{-} = Mn(OH)2 + Cl{-} =>
MnCl2 + 2 OH{-} = Mn(OH)2 + 2 Cl{-}
I2 + HClO4 + H2O = H5IO6 + Cl2 =>
I2 + 2 HClO4 + 4 H2O = 2 H5IO6 + Cl2
Ca = Ca{2+} + Ca{-} =>
3 Ca = Ca{2+} + 2 Ca{-}
CaCl2 + H3PO4 = Ca3(PO4)2 + HCl =>
3 CaCl2 + 2 H3PO4 = Ca3(PO4)2 + 6 HCl
Ba + N2O = Ba3N2 + O2 =>
6 Ba + 2 N2O = 2 Ba3N2 + O2
Y2 + K2SO3 + KOH = KY + K2SO4 + H2O =>
Y2 + K2SO3 + 2 KOH = 2 KY + K2SO4 + H2O
SiO2 + SiC = Si + CO =>
SiO2 + 2 SiC = 3 Si + 2 CO
Mg3P2 + H = PH3 + Mg =>
Mg3P2 + 6 H = 2 PH3 + 3 Mg
Al + Ba(OH)2 + H2O = Al[Ba(OH)4] + H2 =>
Al + Ba(OH)2 + 2 H2O = Al[Ba(OH)4] + H2
Na3VO4 + Zn + HCl = VOCl2 + NaCl + ZnCl2 + H2O =>
2 Na3VO4 + Zn + 12 HCl = 2 VOCl2 + 6 NaCl + ZnCl2 + 6 H2O
Sr(HCO3)2 + KOH = K2CO3 + Sr(OH)2 + H2O =>
Sr(HCO3)2 + 4 KOH = 2 K2CO3 + Sr(OH)2 + 2 H2O
Mg + SiO = MgSiO =>
Mg + SiO = MgSiO
SnCl2 + NaBiO3 + HCl = H3SnO4 + BiCl3 + NaCl + H2O =>
2 SnCl2 + 3 NaBiO3 + 8 HCl = 2 H3SnO4 + 3 BiCl3 + 3 NaCl + H2O
CaCn + HCl = CaCl + HCn =>
CaCn + HCl = CaCl + HCn
Ca(NO3)2 + NaOH = Ca(OH)2 + NaNO3 =>
Ca(NO3)2 + 2 NaOH = Ca(OH)2 + 2 NaNO3
S2O8{-2} + H2O = SO4{-2} + H2O2 + H{+} =>
S2O8{-2} + 2 H2O = 2 SO4{-2} + H2O2 + 2 H{+}
Al(s) + N2(g) = AlN =>
2 Al(s) + N2(g) = 2 AlN
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
CrCl3 + H2O = Cr(H2O)4Cl3 =>
CrCl3 + 4 H2O = Cr(H2O)4Cl3
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
CuCl3 + Na = NaCl + Cu =>
CuCl3 + 3 Na = 3 NaCl + Cu
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Li2O + I = LiI + O2 =>
2 Li2O + 4 I = 4 LiI + O2
C5H12O + HCl = C5H11Cl + H2O =>
C5H12O + HCl = C5H11Cl + H2O
Cr2O3 + H7I = Cr7I3 + H2O =>
7 Cr2O3 + 6 H7I = 2 Cr7I3 + 21 H2O
Li2O + I = LiI + O2 =>
2 Li2O + 4 I = 4 LiI + O2
P2O5 = O2 + P =>
2 P2O5 = 5 O2 + 4 P
ethylene + water = C2H6O =>
C2H4 + H2O = C2H6O
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2 =>
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2
CH3CH(CH3)CH(Cl)CH3 + NaOH = CH3CH(CH3)CHCH2 + NaCl + H2O =>
CH3CH(CH3)CH(Cl)CH3 + NaOH = CH3CH(CH3)CHCH2 + NaCl + H2O
Mg2SO4 + HNO2 = MgNO2 + H2SO4 =>
Mg2SO4 + 2 HNO2 = 2 MgNO2 + H2SO4
I2 + KOH + Cl2 = KCl + K3H2IO6 + H2O =>
I2 + 20 KOH + 7 Cl2 = 14 KCl + 2 K3H2IO6 + 8 H2O
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Fe + H2SO4 = Fe2(SO4)3S + H2O =>
2 Fe + 4 H2SO4 = Fe2(SO4)3S + 4 H2O
Cl2 + Na2SO3 + H2O = NaCl + H2SO4 =>
Cl2 + Na2SO3 + H2O = 2 NaCl + H2SO4
Na(s) + H2O(g) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(g) = 2 NaOH(aq) + H2(g)
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Li2O + I = LiI + O2 =>
2 Li2O + 4 I = 4 LiI + O2
Na2S + Fe2(SO4)3 = Fe2S3 + Na2SO4 =>
3 Na2S + Fe2(SO4)3 = Fe2S3 + 3 Na2SO4
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
FeS + Na2O = FeO + Na2S =>
FeS + Na2O = FeO + Na2S
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/16/24
Équations équilibrées sur12/16/23
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