| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe + 3 Cl2 = 2 FeCl3
SiH2 + Cl2 = SiCl4 + H2 =>
SiH2 + 2 Cl2 = SiCl4 + H2
C3H5O(COOH) + NaHCO3 = C3H5O(COONa) + H2O + CO2 =>
C3H5O(COOH) + NaHCO3 = C3H5O(COONa) + H2O + CO2
BF3 + Li2SO4 = B2(SO4)3 + LiF =>
2 BF3 + 3 Li2SO4 = B2(SO4)3 + 6 LiF
Pb(C2H3O2)2 + K2SO3 = PbSO3 + KC2H3O2 =>
Pb(C2H3O2)2 + K2SO3 = PbSO3 + 2 KC2H3O2
Se + HCl = SeCl + H2 =>
2 Se + 2 HCl = 2 SeCl + H2
Ag(NH3)2{+} + OH{-} + C6H12O6 = Ag + C6H11O7{-} + H2O + NH3 =>
2 Ag(NH3)2{+} + 3 OH{-} + C6H12O6 = 2 Ag + C6H11O7{-} + 2 H2O + 4 NH3
BrCl + Hg = Hg2Cl + Br =>
BrCl + 2 Hg = Hg2Cl + Br
(C17H33COO)3C3H5 + O2 = CO + H2O =>
2(C17H33COO)3C3H5 + 103 O2 = 114 CO + 104 H2O
CuSO4(aq) + Mg(s) = Cu(s) + MgSO4(aq) =>
CuSO4(aq) + Mg(s) = Cu(s) + MgSO4(aq)
KMnO4 + HSO4 + H2 = K2SO4 + MnSO4 + H2O =>
4 KMnO4 + 6 HSO4 + 13 H2 = 2 K2SO4 + 4 MnSO4 + 16 H2O
CuNO2 + K2CO3 = KNO2 + Cu2CO3 =>
2 CuNO2 + K2CO3 = 2 KNO2 + Cu2CO3
CH3CH2OH + Cr2O7{-}2 + H{+} = CH3CHO + Cr3{+} + H2O =>
37 CH3CH2OH + 6 Cr2O7{-}2 + 10 H{+} = 37 CH3CHO + 4 Cr3{+} + 42 H2O
CaCl + KCl + Na3PO4 + Mg(NO3)2 = Ca3(PO4)2 + KNO3 + NaCl + MgCl =>
3 CaCl + 6 KCl + 2 Na3PO4 + 3 Mg(NO3)2 = Ca3(PO4)2 + 6 KNO3 + 6 NaCl + 3 MgCl
H2S + Cu(OH)2 = Cu1S1 + H2O =>
H2S + Cu(OH)2 = Cu1S1 + 2 H2O
Al(s) + HCl(aq) = AlCl3(aq) + H2(l) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(l)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
V2O5 + KI + H2SO4 = V2(SO4) + I2 + K2SO4 + H2O =>
V2O5 + 8 KI + 5 H2SO4 = V2(SO4) + 4 I2 + 4 K2SO4 + 5 H2O
CH3CH2OH + MnO4{-} + H{+} = CH3COOH + Mn{+2} + H2O =>
5 CH3CH2OH + 4 MnO4{-} + 12 H{+} = 5 CH3COOH + 4 Mn{+2} + 11 H2O
NH3 + H2O + MgCl2 = NH4Cl + Mg(OH)2 = =>
2 NH3 + 2 H2O + MgCl2 = 2 NH4Cl + Mg(OH)2
Cr(s) + NiSO4(ac) = Cr2(SO4)3(ac) + Ni(s) =>
2 Cr(s) + 3 NiSO4(ac) = Cr2(SO4)3(ac) + 3 Ni(s)
K2(C2O4)(aq) + CaCl2(aq) = KCl(aq) + Ca(C2O4)(s) =>
K2(C2O4)(aq) + CaCl2(aq) = 2 KCl(aq) + Ca(C2O4)(s)
HCI + H = H2CI =>
HCI + H = H2CI
CH3CH2MgClCH3 + H2O = CH3CH3 + Mg(OH)Cl =>
2 CH3CH2MgClCH3 + 2 H2O = 3 CH3CH3 + 2 Mg(OH)Cl
FeBr2(aq) + KOH(aq) = Fe(OH)2(s) + KBr(aq) =>
FeBr2(aq) + 2 KOH(aq) = Fe(OH)2(s) + 2 KBr(aq)
NH3 + HNO3 = N2 + H2O =>
5 NH3 + 3 HNO3 = 4 N2 + 9 H2O
Pb + SO2 = PbO + PbS =>
3 Pb + SO2 = 2 PbO + PbS
C2H6O + Al2O3 = C2H4 + H2Al2O4 =>
C2H6O + Al2O3 = C2H4 + H2Al2O4
MnO4{2-} + H3O{+} + SO3{2-} = SO4{2-} + MnO2 + H2O =>
MnO4{2-} + 2 H3O{+} + SO3{2-} = SO4{2-} + MnO2 + 3 H2O
Cl2 + C2H6 = HCl + C2H5Cl =>
Cl2 + C2H6 = HCl + C2H5Cl
Ba(NO3)2 + K2SO3 + H2O = Ba(OH)2 + KNO3 + SO2 =>
Ba(NO3)2 + K2SO3 + H2O = Ba(OH)2 + 2 KNO3 + SO2
O3 + C2H7NO3S = CO2 + H2O + N2 + S2 =>
3 O3 + 2 C2H7NO3S = 4 CO2 + 7 H2O + N2 + S2
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Fe2 + Au2 = FeAu6 =>
Fe2 + 6 Au2 = 2 FeAu6
Ba(NO3)2 + K2S = BaS + KNO3 =>
Ba(NO3)2 + K2S = BaS + 2 KNO3
KAlSi3O8 + H{+} + H2O = Al2Si2O5(OH)4 + K{+} + H4SiO4 =>
2 KAlSi3O8 + 2 H{+} + 9 H2O = Al2Si2O5(OH)4 + 2 K{+} + 4 H4SiO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
RbF + Pb(NO3)2 = PbF2 + RbNO3 =>
2 RbF + Pb(NO3)2 = PbF2 + 2 RbNO3
I2(s) + NaBr(ac) = Na3I2 + Br =>
I2(s) + 3 NaBr(ac) = Na3I2 + 3 Br
HC1 + K2SO3 = KC1 + H2O + SO2 =>
2 HC1 + K2SO3 = 2 KC1 + H2O + SO2
NaSO3 + O2 = NaSO4 =>
2 NaSO3 + O2 = 2 NaSO4
MnO3 + S8 + H2O = H2SO3 + Mn2O2 =>
8 MnO3 + S8 + 8 H2O = 8 H2SO3 + 4 Mn2O2
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
CH4N4O2 = H2O + N2 + C =>
CH4N4O2 = 2 H2O + 2 N2 + C
Fe + Cl2 = FeCl2 =>
Fe + Cl2 = FeCl2
Zn(NO3)2 + NH4OH = [Zn(NH3)4](NO3)2 + H2O =>
Zn(NO3)2 + 4 NH4OH = [Zn(NH3)4](NO3)2 + 4 H2O
O{2-} = O{2} + {-}{e} =>
O{2-} = O{2} + 4{-}{e}
KBr + Ag3PO4 = AgBr + K3PO4 =>
3 KBr + Ag3PO4 = 3 AgBr + K3PO4
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Équations équilibrées sur02/07/25
Équations équilibrées sur03/09/24
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