| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg(s) + CuSO4(aq) = Mg(SO4)(s) + Cu(s)
C7H6O3 + FeCl3 = C21H15FeO9 + HCl =>
3 C7H6O3 + FeCl3 = C21H15FeO9 + 3 HCl
HCrO4{-} + N2O + H{+} = Cr{+3} + HNO2 + H2O =>
4 HCrO4{-} + 3 N2O + 16 H{+} = 4 Cr{+3} + 6 HNO2 + 7 H2O
K + SnBr4 = KBr + Sn =>
4 K + SnBr4 = 4 KBr + Sn
[Co(NH3)5(H2O)]Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O + H =>
[Co(NH3)5(H2O)]Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O + H
FeS2 + Cl2 + O2 = FeCl3 + SO2 =>
2 FeS2 + 3 Cl2 + 4 O2 = 2 FeCl3 + 4 SO2
C7H5KO2 + CuSO4*5H2O = K2SO4 + Cu(C6H5CO2)2 + H2O =>
2 C7H5KO2 + CuSO4*5H2O = K2SO4 + Cu(C6H5CO2)2 + 5 H2O
MgBr2 + H2SO4 = MgSO4 + Br2 + H2O + SO2 =>
MgBr2 + 2 H2SO4 = MgSO4 + Br2 + 2 H2O + SO2
HC3H5O2 + H2O = C3H5O2 + H3O =>
HC3H5O2 + H2O = C3H5O2 + H3O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
(NH2)2CO + O2 = CO2N2 + H2O =>
2(NH2)2CO + 3 O2 = 2 CO2N2 + 4 H2O
K2MnO4 + HCl = Cl2 + H2O + KCl + MnCl2 =>
K2MnO4 + 8 HCl = 2 Cl2 + 4 H2O + 2 KCl + MnCl2
ZnCl2(aq) + H2S = ZnS + HCl =>
ZnCl2(aq) + H2S = ZnS + 2 HCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C3H5O3 + KOH = C3H5O3K3 + OH =>
C3H5O3 + 3 KOH = C3H5O3K3 + 3 OH
KOH + ZnO = K2O + Zn(OH)2 =>
2 KOH + ZnO = K2O + Zn(OH)2
CH3CH2Br + C6H6 = C6H5C2H5 + Br2 =>
6 CH3CH2Br + 10 C6H6 = 9 C6H5C2H5 + 3 Br2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Na2CO3(aq) + NH4NO3(aq) = NaNO3 + (NH4)2CO3 =>
Na2CO3(aq) + 2 NH4NO3(aq) = 2 NaNO3 + (NH4)2CO3
KMnO4 + CN = K + Mn + NO3 + CO2 =>
5 KMnO4 + 4 CN = 5 K + 5 Mn + 4 NO3 + 4 CO2
Na2CrO4 + MgCl2 = MgCrO4 + Na2Cl2 =>
Na2CrO4 + MgCl2 = MgCrO4 + Na2Cl2
CH3COOH + Na2CO3 = CH4COONa + H2O + CO2 =>
9 CH3COOH + 4 Na2CO3 = 8 CH4COONa + 2 H2O + 6 CO2
Ba + CrO4 = BaO2 + Cr =>
2 Ba + CrO4 = 2 BaO2 + Cr
SrCl2(aq) + K3PO4(aq) = SrPO4 + K3Cl2 =>
SrCl2(aq) + K3PO4(aq) = SrPO4 + K3Cl2
Ag2CO3 + NaCN = Na[Ag(CN)2] + Na2CO3 =>
Ag2CO3 + 4 NaCN = 2 Na[Ag(CN)2] + Na2CO3
C + K2Cr2O7 = Cr2O3 + K2CO3 + CO2 =>
3 C + 2 K2Cr2O7 = 2 Cr2O3 + 2 K2CO3 + CO2
C6H5CHO + MnO4{-} + H{+} = C6H5CO2H + Mn{2+} + H2O =>
5 C6H5CHO + 2 MnO4{-} + 6 H{+} = 5 C6H5CO2H + 2 Mn{2+} + 3 H2O
Fe + SO2 = FeSO3 + FeS2O3 =>
2 Fe + 3 SO2 = FeSO3 + FeS2O3
KF + Ba(ClO3)2 = BaF2 + KClO3 =>
2 KF + Ba(ClO3)2 = BaF2 + 2 KClO3
NH4Br + LiOH = NH3 + H2O + LiBr =>
NH4Br + LiOH = NH3 + H2O + LiBr
PbO2 + Pb + HSO4 = Pb(SO4) + H2O =>
PbO2 + 3 Pb + 4 HSO4 = 4 Pb(SO4) + 2 H2O
Ba + S + O2 = BaSO2 =>
Ba + S + O2 = BaSO2
NiCl + NaOH = NaCl + Ni(OH) =>
NiCl + NaOH = NaCl + Ni(OH)
Fe{2}O{3} + C = Fe + C{2} =>
Fe{2}O{3} + C = Fe + C{2}
C20H27NO11 + H2 = C6H12O6 + C6H5CHO + HCN =>
18 C20H27NO11 + 12 H2 = 29 C6H12O6 + 24 C6H5CHO + 18 HCN
Ca(NO3)2(aq) + Na2C2O4(aq) = CaC2O4(l) + Na2(NO3)2(aq) =>
Ca(NO3)2(aq) + Na2C2O4(aq) = CaC2O4(l) + Na2(NO3)2(aq)
H2O + Ba3N2 = NH3 + Ba(OH)2* =>
6 H2O + Ba3N2 = 2 NH3 + 3 Ba(OH)2*
PH3 + AgNO3 + H2O = H3PO3 + HNO3 + Ag =>
PH3 + 6 AgNO3 + 3 H2O = H3PO3 + 6 HNO3 + 6 Ag
Na2Cr2O7 + SO2 = Na2SO3 + Cr + O2 =>
Na2Cr2O7 + SO2 = Na2SO3 + 2 Cr + 3 O2
OH{-} + Cu(NH3)4{2+} + S2O4{2-} = Cu + NH3 + SO3{2-} + H2O =>
4 OH{-} + Cu(NH3)4{2+} + S2O4{2-} = Cu + 4 NH3 + 2 SO3{2-} + 2 H2O
NH4NCS + AgNO3 = AgNCS + NH4NO3 =>
NH4NCS + AgNO3 = AgNCS + NH4NO3
SnCl2 + H2O = SnH4 + ClO =>
SnCl2 + 2 H2O = SnH4 + 2 ClO
KOH + H2S2O7 = K2S2O8 + H2 + O2 =>
4 KOH + 2 H2S2O7 = 2 K2S2O8 + 4 H2 + O2
CH3(CH2)6COOH + H2O = CH5(CH2)6CO2OH =>
CH3(CH2)6COOH + H2O = CH5(CH2)6CO2OH
Fe9 + AgC2H3O2 = Fe(C2H3O2)2 + Ag =>
Fe9 + 18 AgC2H3O2 = 9 Fe(C2H3O2)2 + 18 Ag
Sn + Cl = SnCl4 =>
Sn + 4 Cl = SnCl4
Ca(NO2)2 + H2O = Ca(OH)2 + HNO2 =>
Ca(NO2)2 + 2 H2O = Ca(OH)2 + 2 HNO2
[Co(NH3)5(H2O)]Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O + H =>
[Co(NH3)5(H2O)]Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O + H
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2SiO3 + HNO3 = NaNO3 + H2SiO3 =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + H2SiO3
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Équations équilibrées sur12/13/24
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