| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2S3 + 6 HBr = 2 FeBr3 + 3 H2S
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
Sr + HNO3 = Sr(NO3)2 + H2 =>
Sr + 2 HNO3 = Sr(NO3)2 + H2
BaO2 + H2SO4 = BaSO4 + H2O2 =>
BaO2 + H2SO4 = BaSO4 + H2O2
N + H = NH3 =>
N + 3 H = NH3
AsI3 = As + I2 =>
2 AsI3 = 2 As + 3 I2
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl
CH3OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
CH3OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
Na2CO3(aq) + S(s) + SO2(g) = CO2(g) + Na2S2O3(aq) =>
Na2CO3(aq) + S(s) + SO2(g) = CO2(g) + Na2S2O3(aq)
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
Cu(s) + H2SO4(aq) = CuSO4(aq) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(aq) = CuSO4(aq) + SO2(g) + 2 H2O(l)
AgNO3 + K2CO3 = AgCO3 + K2NO3 =>
AgNO3 + K2CO3 = AgCO3 + K2NO3
Fe(NO3)2 + HCl = FeCl2 + HNO3 =>
Fe(NO3)2 + 2 HCl = FeCl2 + 2 HNO3
Cu(NO3)2 + K2CO3 = Cu(CO3) + K2(NO3)2 =>
Cu(NO3)2 + K2CO3 = Cu(CO3) + K2(NO3)2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
Bi(OH)3 + HNO3 = Bi(NO3)3 + H2O =>
Bi(OH)3 + 3 HNO3 = Bi(NO3)3 + 3 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Al(NO3)3 + K2CO3 = AlCO3 + K2(NO3)3 =>
Al(NO3)3 + K2CO3 = AlCO3 + K2(NO3)3
Yb(NO3)3 + NaOH = Yb(OH)3 + NaNO3 =>
Yb(NO3)3 + 3 NaOH = Yb(OH)3 + 3 NaNO3
AgNO3 + Na3PO4 = AgPO4 + Na3NO3 =>
AgNO3 + Na3PO4 = AgPO4 + Na3NO3
Yb(NO3)3 + NaOH = Yb2(OH)5NO3 + NaNO3 =>
2 Yb(NO3)3 + 5 NaOH = Yb2(OH)5NO3 + 5 NaNO3
AgNO3 + Na3PO4 = AgPO4 + Na3NO3 =>
AgNO3 + Na3PO4 = AgPO4 + Na3NO3
Pb(NO3)2 + NaSO4 = PbSO4 + Na(NO3)2 =>
Pb(NO3)2 + NaSO4 = PbSO4 + Na(NO3)2
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2 =>
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2
Al(NO3)3 + Na3PO4 = AlPO4 + Na3(NO3)3 =>
Al(NO3)3 + Na3PO4 = AlPO4 + Na3(NO3)3
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Ba(CH3COO)2 + (NH4)2S = NH4CH3COO + BaS =>
Ba(CH3COO)2 + (NH4)2S = 2 NH4CH3COO + BaS
As2O3(s) + KI(aq) + HCl(aq) = AsI3(s) + KCl(aq) + H2O(l) =>
As2O3(s) + 6 KI(aq) + 6 HCl(aq) = 2 AsI3(s) + 6 KCl(aq) + 3 H2O(l)
Na2CO3 + HCl = H2CO3 + NaCl =>
Na2CO3 + 2 HCl = H2CO3 + 2 NaCl
ZnS(s) + HCl(aq) = ZnCl2(aq) + H2S(g) =>
ZnS(s) + 2 HCl(aq) = ZnCl2(aq) + H2S(g)
AgNO3(s) + HCl(aq) = AgCl() + HNO3 =>
AgNO3(s) + HCl(aq) = AgCl() + HNO3
B4O7{2-} + H2O2 + OH{-} + H2O = BO2*H2O2*H2O{2-} =>
B4O7{2-} + 2 H2O2 + 6 OH{-} + 3 H2O = 4 BO2*H2O2*H2O{2-}
NaHCO3 + HCl = H2CO3 + NaCl =>
NaHCO3 + HCl = H2CO3 + NaCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI(aq) =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI(aq)
Sn + HCl = SnCl + H2 =>
2 Sn + 2 HCl = 2 SnCl + H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
B4O7{2-} + H2O2 + OH{-} + H2O = BO2*H2O2*3H2O{2-} =>
B4O7{2-} + 2 H2O2 + 6 OH{-} + 11 H2O = 4 BO2*H2O2*3H2O{2-}
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Ca + HCl = CaCl + H2 =>
2 Ca + 2 HCl = 2 CaCl + H2
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
Mg(OH)2 + H3O = Mg + H2O =>
Mg(OH)2 + 2 H3O = Mg + 4 H2O
Cu(NO3)2 + K2CO3 = CuCO3 + KNO3 =>
Cu(NO3)2 + K2CO3 = CuCO3 + 2 KNO3
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/07/08
Équations équilibrées sur10/07/07
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