| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mn + I2 = 2 MnI
Fe(NO3)3 + K2CrO4 = Fe2(CrO4)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 KNO3
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
H2O2(aq) = H2O(l) + O2(g) =>
2 H2O2(aq) = 2 H2O(l) + O2(g)
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
H + Al(OH)4 = Al(OH)3 + H2O =>
H + Al(OH)4 = Al(OH)3 + H2O
Mg + F2 = MgF =>
2 Mg + F2 = 2 MgF
Al2(SO3)3 + HCl = AlCl3 + H2O + SO2 =>
Al2(SO3)3 + 6 HCl = 2 AlCl3 + 3 H2O + 3 SO2
Cr(NO3)3(aq) + LiOH(aq) = CrLi + (NO3)3OH =>
Cr(NO3)3(aq) + LiOH(aq) = CrLi + (NO3)3OH
HBr + NiS = HS + NiBr =>
HBr + NiS = HS + NiBr
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
K2SO4 + CaI2 = CaSO4 + KI =>
K2SO4 + CaI2 = CaSO4 + 2 KI
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Pb2NO3 + KI = KNO3 + Pb2I =>
Pb2NO3 + KI = KNO3 + Pb2I
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
Ba + O2 = BaO2 =>
Ba + O2 = BaO2
HCl + CaCO3 = CaCl + HCO3 =>
HCl + CaCO3 = CaCl + HCO3
H{+} + MnO4{-} + HCN + I{-} = Mn{+2} + ICN + H2O =>
11 H{+} + 2 MnO4{-} + 5 HCN + 5 I{-} = 2 Mn{+2} + 5 ICN + 8 H2O
Cu + HNO3 = NO + Cu(NO3)2 + H2O =>
3 Cu + 8 HNO3 = 2 NO + 3 Cu(NO3)2 + 4 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CO2 + CaSiO3 + H2O = SiO2 + Ca(HCO3)2 =>
2 CO2 + CaSiO3 + H2O = SiO2 + Ca(HCO3)2
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
Na2S + AgNO3 = NaNO3 + Ag2S =>
Na2S + 2 AgNO3 = 2 NaNO3 + Ag2S
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
MnO4 + H = Mn + H2O =>
MnO4 + 8 H = Mn + 4 H2O
HCl + CaCO3 = CaCl2 + H2CO3 =>
2 HCl + CaCO3 = CaCl2 + H2CO3
NaHCO3(aq) = Na2CO3(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(aq) = Na2CO3(aq) + H2O(l) + CO2(g)
NaI + Hg(C2H3O2) = Na(C2H3O2) + HgI =>
NaI + Hg(C2H3O2) = Na(C2H3O2) + HgI
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H4 + O2 = CO + H2O =>
C2H4 + 2 O2 = 2 CO + 2 H2O
H2SO4 + NaOH = H2O + NaSO4H =>
H2SO4 + NaOH = H2O + NaSO4H
CaCl + KPO4 = CaPO4 + KCl =>
CaCl + KPO4 = CaPO4 + KCl
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
NH3 = N + H =>
NH3 = N + 3 H
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ag(s) + H2S(g) = Ag2S(s) + H2(g) =>
2 Ag(s) + H2S(g) = Ag2S(s) + H2(g)
K2S3O6 + KClO + KOH = K2SO4 + KCl + H2O =>
K2S3O6 + 4 KClO + 4 KOH = 3 K2SO4 + 4 KCl + 2 H2O
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
H2S = H + S =>
H2S = 2 H + S
NaH(s) + H2O(l) = NaOH(aq) + H2(g) =>
NaH(s) + H2O(l) = NaOH(aq) + H2(g)
Fe + Mg2 = FeMg4 =>
Fe + 2 Mg2 = FeMg4
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaO = Ca + O =>
CaO = Ca + O
C6H14 + O2 = H2O + CO2 =>
2 C6H14 + 19 O2 = 14 H2O + 12 CO2
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/03/10
Équations équilibrées sur10/03/09
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