| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 Mg + 7 H2SO4 = Cr2(SO4)3 + 3 MgSO4 + K2SO4 + 7 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
K2CrO7 + C2H5OH + HCl = CrCl3 + CH3CHO + KCl + H2O =>
2 K2CrO7 + 9 C2H5OH + 10 HCl = 2 CrCl3 + 9 CH3CHO + 4 KCl + 14 H2O
Pt + HNO3 + HCl = PtCl4 + NO + H2O =>
3 Pt + 4 HNO3 + 12 HCl = 3 PtCl4 + 4 NO + 8 H2O
C7H8 + KMnO4 = KC7H5O2 + MnO2 + KOH + H2O =>
C7H8 + 2 KMnO4 = KC7H5O2 + 2 MnO2 + KOH + H2O
Ca + O = CaO =>
Ca + O = CaO
H2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + HNO3(aq) =>
H2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + 2 HNO3(aq)
HCl + CaO = CaCl2 + H2O =>
2 HCl + CaO = CaCl2 + H2O
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
H2SO4 + Ba(NO3)2 = BaSO4 + HNO3 =>
H2SO4 + Ba(NO3)2 = BaSO4 + 2 HNO3
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Cr{3+} + OH{-} + H2O2 = CrO4{2-} + H2O =>
2 Cr{3+} + 10 OH{-} + 3 H2O2 = 2 CrO4{2-} + 8 H2O
BA + N2 = BAN2 =>
BA + N2 = BAN2
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
Ni + HNO3(conc) = Ni(NO3)2 + NO + H2O =>
3 Ni + 8 HNO3(conc) = 3 Ni(NO3)2 + 2 NO + 4 H2O
H2(g) + CuO(s) = Cu(s) + H2O(g) =>
H2(g) + CuO(s) = Cu(s) + H2O(g)
Ni + HNO3(conc) = Ni(NO3)2 + NO + H2O =>
3 Ni + 8 HNO3(conc) = 3 Ni(NO3)2 + 2 NO + 4 H2O
HBr + H2SO4 = Br2 + SO2 + H2O =>
2 HBr + H2SO4 = Br2 + SO2 + 2 H2O
H2SO3 + O2 = H2SO4 =>
2 H2SO3 + O2 = 2 H2SO4
CaCO3 + H3O = Ca + H2O + CO2 =>
CaCO3 + 2 H3O = Ca + 3 H2O + CO2
KMnO4 + HCl = MnO2 + Cl2 + H2O + KCl =>
2 KMnO4 + 8 HCl = 2 MnO2 + 3 Cl2 + 4 H2O + 2 KCl
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
UO2(NO3)2 + NH4OH = (NH4)2U2O7 + NH4NO3 + H2O =>
2 UO2(NO3)2 + 6 NH4OH = (NH4)2U2O7 + 4 NH4NO3 + 3 H2O
Al(NO3)3 + KOH = KNO3 + Al(OH)3 =>
Al(NO3)3 + 3 KOH = 3 KNO3 + Al(OH)3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
O2 + Mg = MgO =>
O2 + 2 Mg = 2 MgO
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Zn + HCl = Cl2Zn + H2 =>
Zn + 2 HCl = Cl2Zn + H2
CI2 + NaI = NaCI + I2 =>
CI2 + NaI = NaCI + I2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
NiO + C = Ni + CO2 =>
2 NiO + C = 2 Ni + CO2
SO3S{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
SO3S{2-} + 4 Cl2 + 10 OH{-} = 2 SO4{2-} + 8 Cl{-} + 5 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Co + HNO3(conc) = Co(NO3)2 + NO + H2O =>
3 Co + 8 HNO3(conc) = 3 Co(NO3)2 + 2 NO + 4 H2O
Na2SO3 + K2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
H2O + I{-} + K{+} = KOH + H2 + I2 =>
2 H2O + 2 I{-} + 2 K{+} = 2 KOH + H2 + I2
I2 + CH3Cl = CH3I + Cl =>
I2 + 2 CH3Cl = 2 CH3I + 2 Cl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/15
Équations équilibrées sur11/03/14
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