| Équations équilibrées la veille |
H3CCOOH + NaOH = NaCH3COO + H2O
K2Cr2O7 + H2SO4 + PH3 = P2O5 + K2SO4 + Cr2(SO4)3 + H2O =>
8 K2Cr2O7 + 32 H2SO4 + 6 PH3 = 3 P2O5 + 8 K2SO4 + 8 Cr2(SO4)3 + 41 H2O
Fe(OH)2 + H2SO4 = Fe[HSO4]2 + H2O =>
Fe(OH)2 + 2 H2SO4 = Fe[HSO4]2 + 2 H2O
FeO + Fe(OH)3 = Fe(OH)2 + Fe2O3 =>
3 FeO + 2 Fe(OH)3 = 3 Fe(OH)2 + Fe2O3
Ba + Se = Ba2Se =>
2 Ba + Se = Ba2Se
NH3 + HBr = H2 + NBr3 =>
NH3 + 3 HBr = 3 H2 + NBr3
Mg + H2NO3 = Mg2NO3 + H2 =>
2 Mg + H2NO3 = Mg2NO3 + H2
Cu + NaCl + HNO3 = CuCl2 + NO + NaNO3 + H2O =>
3 Cu + 6 NaCl + 8 HNO3 = 3 CuCl2 + 2 NO + 6 NaNO3 + 4 H2O
Al2O3Si = Al2SiO3 =>
Al2O3Si = Al2SiO3
C6H10 + I2 = C6H10I4 =>
C6H10 + 2 I2 = C6H10I4
H2S2O3 = H2OSO2S =>
H2S2O3 = H2OSO2S
C2H66 + O2 = CO2 + H2O =>
2 C2H66 + 37 O2 = 4 CO2 + 66 H2O
C2H5OH + Mg = C2H4Mg + H2O =>
C2H5OH + Mg = C2H4Mg + H2O
Al2O3 + Li = Li2O + Al =>
Al2O3 + 6 Li = 3 Li2O + 2 Al
Fe(s) + Cl2(aq) = FeCl =>
2 Fe(s) + Cl2(aq) = 2 FeCl
Co(OH)2 + NH3 = [Co(NH3)6](OH)2 =>
Co(OH)2 + 6 NH3 = [Co(NH3)6](OH)2
Cl2H2O = HClHClO =>
Cl2H2O = HClHClO
FeCl2 + CaO = FeO + CaCl2 =>
FeCl2 + CaO = FeO + CaCl2
Sn + HCl = SnCl4 + H =>
Sn + 4 HCl = SnCl4 + 4 H
Au2C4 = AuC2 =>
Au2C4 = 2 AuC2
S4 + O2 = SO5 =>
S4 + 10 O2 = 4 SO5
K2SO4LiOH = LiSO4K2OH =>
K2SO4LiOH = LiSO4K2OH
Cl2 + CsBr = ClBr + Cs =>
Cl2 + 2 CsBr = 2 ClBr + 2 Cs
AlCl3(aq) + NaNO3(aq) = Al + NO3 + NaCl =>
AlCl3(aq) + 3 NaNO3(aq) = Al + 3 NO3 + 3 NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SiCl2 + Al = AlCl3 + Si + H =>
3 H2SiCl2 + 2 Al = 2 AlCl3 + 3 Si + 6 H
FeO + O2 + H2O = FeOOH =>
4 FeO + O2 + 2 H2O = 4 FeOOH
KOHHBr = KBrH2O =>
KOHHBr = KBrH2O
Cl2H2O = HClHOCl =>
Cl2H2O = HClHOCl
C6H6O + HNO3 = C6H3N3O7 + H2O =>
C6H6O + 3 HNO3 = C6H3N3O7 + 3 H2O
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Ca + Pb(NO3)2 = Ca(NO3) + Pb =>
2 Ca + Pb(NO3)2 = 2 Ca(NO3) + Pb
K2Cr2O7 + H2SO4 + Na2SO3 = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + 4 H2O + K2SO4 + 3 Na2SO4
N8 + O = NO2 =>
N8 + 16 O = 8 NO2
NiP + H2SO4 = Ni2(SO4)3 + H3P =>
2 NiP + 3 H2SO4 = Ni2(SO4)3 + 2 H3P
NH4Cl + C4H6O4Hg = C2H7NO2 + HgCl2 =>
2 NH4Cl + C4H6O4Hg = 2 C2H7NO2 + HgCl2
La2O3 + SrO + Mn3O4 = La14Sr16Mn2O7 + O2 =>
21 La2O3 + 48 SrO + 2 Mn3O4 = 3 La14Sr16Mn2O7 + 49 O2
Au + HCl = AuCl + H2 =>
2 Au + 2 HCl = 2 AuCl + H2
Na2B4O7(s) + H2O(l) = NaB(OH)4(aq) + B(OH)3(aq) =>
Na2B4O7(s) + 7 H2O(l) = 2 NaB(OH)4(aq) + 2 B(OH)3(aq)
C2 = C5 =>
5 C2 = 2 C5
ZnSO4 + CaI2 = CaSO4 + ZnI2 =>
ZnSO4 + CaI2 = CaSO4 + ZnI2
CrCl3(aq) + Na2CO3(aq) = Cr2(CO3)3 + NaCl =>
2 CrCl3(aq) + 3 Na2CO3(aq) = Cr2(CO3)3 + 6 NaCl
Fe{2+} + K = K{+} + Fe(s) =>
Fe{2+} + 2 K = 2 K{+} + Fe(s)
CuSO4 + NaOH + (RCHO)2 = Cu2O + Na2SO4 + RCOONa + H2O =>
4 CuSO4 + 10 NaOH + (RCHO)2 = 2 Cu2O + 4 Na2SO4 + 2 RCOONa + 6 H2O
SO2 + HS2 = H2O + S8 =>
8 SO2 + 32 HS2 = 16 H2O + 9 S8
H2CrO4 + SiO2 = HSiCrO4 + H2O + O2 =>
4 H2CrO4 + 4 SiO2 = 4 HSiCrO4 + 2 H2O + 3 O2
C2H4(l) + O2(g) = CO2(g) + H2O(l) =>
C2H4(l) + 3 O2(g) = 2 CO2(g) + 2 H2O(l)
Sr(OH)2 + HNO3 = SrOH(NO3) + H2O =>
Sr(OH)2 + HNO3 = SrOH(NO3) + H2O
Au + BaSO4 = Au2SO4 + Ba =>
2 Au + BaSO4 = Au2SO4 + Ba
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