| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2 + O2 = 2 H2O
HCl + Mg = MgCl + H =>
HCl + Mg = MgCl + H
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
Ca(NO3)2 + Na3PO4 = CaPO4 + Na3 + (NO3)2 =>
Ca(NO3)2 + Na3PO4 = CaPO4 + Na3 + (NO3)2
H2SO4 + Ca(NO3)2 = CaSO4 + NO3 + H2 =>
H2SO4 + Ca(NO3)2 = CaSO4 + 2 NO3 + H2
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
CuSO4 + NaOH = CuOH + NaSO4 =>
CuSO4 + NaOH = CuOH + NaSO4
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
AgNO3 + CoCl2 = CoNO3 + AgCl2 =>
AgNO3 + CoCl2 = CoNO3 + AgCl2
CoCl2 + AgNO3 = AgCl2 + CoNO3 =>
CoCl2 + AgNO3 = AgCl2 + CoNO3
NaOH + AgNO3 = NaNO3 + AgOH =>
NaOH + AgNO3 = NaNO3 + AgOH
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 CO2 + 2 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
NaCl + H2SO4 + MnO2 = Na2SO4 + MnCl2 + H2O + Cl =>
4 NaCl + 2 H2SO4 + MnO2 = 2 Na2SO4 + MnCl2 + 2 H2O + 2 Cl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Zn + NaNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + NaNO3 + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
Na + S = NaS =>
Na + S = NaS
K2MnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
K2MnO4 + 8 HCl = 2 KCl + MnCl2 + 4 H2O + 2 Cl2
NH3 + O2 = N + H2O =>
4 NH3 + 3 O2 = 4 N + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H3AsO4 + Zn + HNO3 = AsH3 + Zn(NO3)2 + H2O =>
H3AsO4 + 4 Zn + 8 HNO3 = AsH3 + 4 Zn(NO3)2 + 4 H2O
NH3 + Cl = N + NH4Cl =>
4 NH3 + 3 Cl = N + 3 NH4Cl
P4 + HNO3 + H2O = H3PO4 + NO =>
3 P4 + 20 HNO3 + 8 H2O = 12 H3PO4 + 20 NO
Ca + N2 = CaN2 =>
Ca + N2 = CaN2
Ca1 + N2 = CaN2 =>
Ca1 + N2 = CaN2
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
NO2 + H2O = HNO2 + HNO3 =>
2 NO2 + H2O = HNO2 + HNO3
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
H2O + Cl2 = HCl + O2 =>
2 H2O + 2 Cl2 = 4 HCl + O2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
PbO2 = PbO2 =>
PbO2 = PbO2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
K + H2 = KH =>
2 K + H2 = 2 KH
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
Fe{3+} + MnO4{-} = Fe{2+} + MnO4 =>
Fe{3+} + MnO4{-} = Fe{2+} + MnO4
NO2 + H2O + O2 = HNO3 =>
4 NO2 + 2 H2O + O2 = 4 HNO3
HCl + Mg = H + MgCl =>
HCl + Mg = H + MgCl
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 3 SO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AlCl2 + K = Al + KCl =>
AlCl2 + 2 K = Al + 2 KCl
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
Fe{3+} + Zn = Fe{2+} + Zn{+} =>
Fe{3+} + Zn = Fe{2+} + Zn{+}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/24/09
Équations équilibrées sur08/23/08
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