| Équations équilibrées la veille | Équations équilibrées le lendemain |
SiH4 + 2 N2O = SiO2 + 2 H2 + 2 N2
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Na2CO3(aq) + SrCl2(aq) = NaCl(aq) + SrCO3 =>
Na2CO3(aq) + SrCl2(aq) = 2 NaCl(aq) + SrCO3
Cr2(SO4)3 + H2O = Cr(OH)SO4 + H2SO4 =>
Cr2(SO4)3 + 2 H2O = 2 Cr(OH)SO4 + H2SO4
Mg + NO3{-} + H{+} = N2O + Mg2{+} + H2O =>
16 Mg + 2 NO3{-} + 10 H{+} = N2O + 8 Mg2{+} + 5 H2O
Cu(NO3)2 + Sn = Sn(NO3)2 + Cu =>
Cu(NO3)2 + Sn = Sn(NO3)2 + Cu
Na + N2 = NaN3 =>
2 Na + 3 N2 = 2 NaN3
Na2S4O6 + H2O2 = Na2SO4 + H2O + H2SO4 =>
Na2S4O6 + 7 H2O2 = Na2SO4 + 4 H2O + 3 H2SO4
Pb + KOH + H2O = K4[Pb(OH)6] + H2 =>
Pb + 4 KOH + 2 H2O = K4[Pb(OH)6] + H2
Hg(ClO3)2 = HgO + ClO2 + O2 =>
2 Hg(ClO3)2 = 2 HgO + 4 ClO2 + O2
FeCl3 + HCl = Cl + FeH =>
FeCl3 + HCl = 4 Cl + FeH
C2H4 + KMnO4 + H2O = C2H6O2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H6O2 + 2 MnO2 + 2 KOH
Na(HCO3) + H3C6H5O7 = CO2 + H2O + Na3(C6H5O7) =>
3 Na(HCO3) + H3C6H5O7 = 3 CO2 + 3 H2O + Na3(C6H5O7)
CO + SO2 = CS + O2 =>
2 CO + 2 SO2 = 2 CS + 3 O2
K2SiO3 = K2O + SiO2 =>
K2SiO3 = K2O + SiO2
Zn + H3BO3 = Zn3(BO3)2 + H2 =>
3 Zn + 2 H3BO3 = Zn3(BO3)2 + 3 H2
FeCl2 + NaOH + O2 = FeO(OH) + NaCl + H2O =>
4 FeCl2 + 8 NaOH + O2 = 4 FeO(OH) + 8 NaCl + 2 H2O
H2C6O5H7 + H2O = H3O + C6O5H7 =>
H2C6O5H7 + 2 H2O = 2 H3O + C6O5H7
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
PbCl2 + K2S = PbS + KCl =>
PbCl2 + K2S = PbS + 2 KCl
HC2H3O2 + Ba(OH)2 = H2O + Ba(C2H3O2)2 =>
2 HC2H3O2 + Ba(OH)2 = 2 H2O + Ba(C2H3O2)2
Al2(SO4)3 + ZnCl2 = AlCl3 + ZnSO4 =>
Al2(SO4)3 + 3 ZnCl2 = 2 AlCl3 + 3 ZnSO4
C2H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2 =>
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2
K2CrO4 = K2O + CrO3 =>
K2CrO4 = K2O + CrO3
Mg + C2H5OH = Mg(C2H5O)2 + H2 =>
Mg + 2 C2H5OH = Mg(C2H5O)2 + H2
K(s) + ZnCl2(aq) = KCl(aq) + Zn(g) =>
2 K(s) + ZnCl2(aq) = 2 KCl(aq) + Zn(g)
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H4O =>
26 K4Fe(CN)6 + 242 KMnO4 + 627 H2SO4 = 346 KHSO4 + 13 Fe2(SO4)3 + 242 MnSO4 + 156 HNO3 + 156 CO2 + 188 H4O
MgSiO3 + H2O = Mg3Si4O10(OH)2 + Mg3Si2O5(OH)4 =>
6 MgSiO3 + 3 H2O = Mg3Si4O10(OH)2 + Mg3Si2O5(OH)4
FeS + H2O = Fe(OH)2 + H2S =>
FeS + 2 H2O = Fe(OH)2 + H2S
MnO2 + O3 + NaOH = NaMnO4 + H2O =>
2 MnO2 + O3 + 2 NaOH = 2 NaMnO4 + H2O
N + O = N2O5 =>
2 N + 5 O = N2O5
Ba(NO3)2(aq) + FeCl3(aq) = BaCl2(aq) + Fe(NO3)3(aq) =>
3 Ba(NO3)2(aq) + 2 FeCl3(aq) = 3 BaCl2(aq) + 2 Fe(NO3)3(aq)
CaSO3 + H2O = Ca(OH)2 + Ca(HSO3)2 =>
2 CaSO3 + 2 H2O = Ca(OH)2 + Ca(HSO3)2
H2S + NO3 = S + NO + H2O =>
2 H2S + NO3 = 2 S + NO + 2 H2O
K2CO3 + TiO2 = K2Ti6O13 + CO2 =>
K2CO3 + 6 TiO2 = K2Ti6O13 + CO2
CH3CH2NH2 + H2O = CH3CH2NH3 + OH =>
CH3CH2NH2 + H2O = CH3CH2NH3 + OH
Zn + Al(OH)3 = Al + Zn(OH)3 =>
Zn + Al(OH)3 = Al + Zn(OH)3
KMnO4 + Al = Al2O3 + K2MnO4 + MnO2 =>
6 KMnO4 + 4 Al = 2 Al2O3 + 3 K2MnO4 + 3 MnO2
As2S3 + HNO3 = H3AsO4 + NO + SO2 + H2O =>
3 As2S3 + 22 HNO3 = 6 H3AsO4 + 22 NO + 9 SO2 + 2 H2O
CH3NH2 + CH3COOH = CH3CONHCH3 + H2O =>
CH3NH2 + CH3COOH = CH3CONHCH3 + H2O
Mg(OH)2 + H3PO3 = MgHPO3 + H2O =>
Mg(OH)2 + H3PO3 = MgHPO3 + 2 H2O
CuH10 + O2 = CuO2 + H2O =>
2 CuH10 + 7 O2 = 2 CuO2 + 10 H2O
C2H4N4 + FeBr2 + H2O = [Fe(C2H4N4)3]Br2H2O =>
3 C2H4N4 + FeBr2 + H2O = [Fe(C2H4N4)3]Br2H2O
Mg = Mg2{+} + e =>
2 Mg = Mg2{+} + e
C2H6O + CH3CH2COOH = C5H10O + H2O =>
7 C2H6O + 2 CH3CH2COOH = 4 C5H10O + 7 H2O
Sr(s) + HCl(aq) = SrCl2(s) + H2(g) =>
Sr(s) + 2 HCl(aq) = SrCl2(s) + H2(g)
Cl2 + F = ClF3 =>
Cl2 + 6 F = 2 ClF3
SO2 + AgNO3 = Ag2SO4 + NO2 =>
SO2 + 2 AgNO3 = Ag2SO4 + 2 NO2
Na{+} + H2O = NaOH + H3O{+} =>
Na{+} + 2 H2O = NaOH + H3O{+}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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