| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H3PO4 + 3 Ca(OH)2 = 6 H2O + Ca3(PO4)2
FeCl2 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + KCl =>
3 FeCl2 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 6 KCl
MgSO4 + Ba(NO3)2 = Mg(NO3)2 + BaSO4 =>
MgSO4 + Ba(NO3)2 = Mg(NO3)2 + BaSO4
K2MnO4 + C2H5OH + H2SO4 = CH3CO2H + MnSO4 + K2SO4 + H2O =>
K2MnO4 + C2H5OH + 2 H2SO4 = CH3CO2H + MnSO4 + K2SO4 + 3 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4 =>
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCOOH + H{+} + Cr2O7{2-} = CO2 + H2O + Cr{3+} =>
3 HCOOH + 8 H{+} + Cr2O7{2-} = 3 CO2 + 7 H2O + 2 Cr{3+}
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
CoCl2 + Na2CO3 = Co(CO3) + NaCl =>
CoCl2 + Na2CO3 = Co(CO3) + 2 NaCl
FeSO4 + K2C2O4 = FeC2O4 + K2SO4 =>
FeSO4 + K2C2O4 = FeC2O4 + K2SO4
Cu{2+} + H2O = Cu + O2 + H{+} =>
2 Cu{2+} + 2 H2O = 2 Cu + O2 + 4 H{+}
CuSO4 + Na2CO3 = Cu(CO3) + Na2SO4 =>
CuSO4 + Na2CO3 = Cu(CO3) + Na2SO4
H2O + PBr3 = H3PO3 + Br + H =>
3 H2O + PBr3 = H3PO3 + 3 Br + 3 H
H{+} + Cl{-} + MnO2 = Mn{2+} + Cl2 + H2O =>
4 H{+} + 2 Cl{-} + MnO2 = Mn{2+} + Cl2 + 2 H2O
K2CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
K2CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
Cl2 + OH{-} = Cl{-} + OCl{-} + H2O =>
Cl2 + 2 OH{-} = Cl{-} + OCl{-} + H2O
K2Cr2O7 + Pb(NO3)2 = KNO3 + PbCr2O7 =>
K2Cr2O7 + Pb(NO3)2 = 2 KNO3 + PbCr2O7
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C17H21NO4 = H2O + C17H13N =>
C17H21NO4 = 4 H2O + C17H13N
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
FeCl3 + AgNO3 = FeNO3 + AgCl3 =>
FeCl3 + AgNO3 = FeNO3 + AgCl3
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
H2S + H2O = H2 + SO2 =>
H2S + 2 H2O = 3 H2 + SO2
Pb + CuSO4 = PbSO4 + Cu =>
Pb + CuSO4 = PbSO4 + Cu
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
SnCl2 + NaCH3C(NOH)C(NOH)CH3 = Sn(CH3C(NOH)C(NOH)CH3)2 + NaCl =>
SnCl2 + 2 NaCH3C(NOH)C(NOH)CH3 = Sn(CH3C(NOH)C(NOH)CH3)2 + 2 NaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NiCl2 + Na2SiO3 = NiSiO3 + NaCl =>
NiCl2 + Na2SiO3 = NiSiO3 + 2 NaCl
(Cr2O7)2{-} + Na2S + H{+} = H2O + Cr{3+} + SO4{2-} + NaOH =>
8(Cr2O7)2{-} + 15 Na2S + 74 H{+} = 22 H2O + 32 Cr{3+} + 15 SO4{2-} + 30 NaOH
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
CuCO3*Cu(OH)2 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3*Cu(OH)2 + 2 H2SO4 = 2 CuSO4 + 3 H2O + CO2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
H{+} + Cl{-} + MnO2 = Cl2 + Mn2{+} + H2O =>
16 H{+} + 14 Cl{-} + 4 MnO2 = 7 Cl2 + 2 Mn2{+} + 8 H2O
Na2Cr2O7 + H{+} + I{-} = Cr3{+} + H2O + I2 + Na{+} =>
3 Na2Cr2O7 + 42 H{+} + 34 I{-} = 2 Cr3{+} + 21 H2O + 17 I2 + 6 Na{+}
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/12/13
Équations équilibrées sur04/11/12
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