| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 I + H2S = 2 HI + S
Ca2P2O7 + KOH = K4P2O7 + Ca(OH)2 =>
Ca2P2O7 + 4 KOH = K4P2O7 + 2 Ca(OH)2
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
BaO + NaOH = Na2O + Ba(OH)2 =>
BaO + 2 NaOH = Na2O + Ba(OH)2
CaPO4 = Ca + PO4 =>
CaPO4 = Ca + PO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
(NH4)2SO4 + BaNO3 = NH4NO3 + Ba2SO4 =>
(NH4)2SO4 + 2 BaNO3 = 2 NH4NO3 + Ba2SO4
Mg(s) + H2O(l) = MgOH(aq) + H2(g) =>
2 Mg(s) + 2 H2O(l) = 2 MgOH(aq) + H2(g)
K2ReBr6 + C6H5N3 + H2O = (C6H6N3)2ReBr6 + KOH =>
K2ReBr6 + 2 C6H5N3 + 2 H2O = (C6H6N3)2ReBr6 + 2 KOH
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2 =>
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2
[Co(NH3)4CO3]NO3 + HCl = [Co(NH3)4Cl2]Cl + H2O + CO2 + H{+} + NO3{-} =>
[Co(NH3)4CO3]NO3 + 3 HCl = [Co(NH3)4Cl2]Cl + H2O + CO2 + H{+} + NO3{-}
SnO2(s) + H2(g) = Sn(s) + H2O(g) =>
SnO2(s) + 2 H2(g) = Sn(s) + 2 H2O(g)
MgCO3 + HNO3 = Mg(NO3)2 + H2O + CO2 =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + H2O + CO2
CH2 + I2 = CHI + HI =>
CH2 + I2 = CHI + HI
Cu2S3 + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 Cu2S3 + 16 HNO3 = 6 Cu(NO3)2 + 9 S + 4 NO + 8 H2O
Na2SO4 + H2SO4 = NaSO4 + SO + H2O =>
2 Na2SO4 + 3 H2SO4 = 4 NaSO4 + SO + 3 H2O
MgO(s) + Fe(s) = Fe2O3(s) + Mg(s) =>
3 MgO(s) + 2 Fe(s) = Fe2O3(s) + 3 Mg(s)
SIO2(s) + C(s) = SIC(s) + CO(g) =>
SIO2(s) + 3 C(s) = SIC(s) + 2 CO(g)
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
C3H7OH + Cr2O7{2-} + H{+} = C2H5COOH + Cr{3+} + H2O =>
3 C3H7OH + 2 Cr2O7{2-} + 16 H{+} = 3 C2H5COOH + 4 Cr{3+} + 11 H2O
C12H22O11 + O = CO2 + H2O =>
C12H22O11 + 24 O = 12 CO2 + 11 H2O
C2H4 + H2SO4 = CH3CH2OSO2OH =>
C2H4 + H2SO4 = CH3CH2OSO2OH
Cl2(g) + KI(aq) = KCl(aq) + I2(g) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(g)
CaCe2 + Na3PO4 = Ca3(PO4)2 + NaCe =>
3 CaCe2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCe
CZnO = ZnCO =>
CZnO = ZnCO
CaCl2(aq) + KBr(aq) = KCl(aq) + CaBr2(aq) =>
CaCl2(aq) + 2 KBr(aq) = 2 KCl(aq) + CaBr2(aq)
U + Pt50 = UPt =>
50 U + Pt50 = 50 UPt
ZrO + H2O = Zr(OH)2 =>
ZrO + H2O = Zr(OH)2
K(s) + LiCl(aq) = Li(s) + KCl(aq) =>
K(s) + LiCl(aq) = Li(s) + KCl(aq)
C2H6O + KMnO4 + H2O = KOH + MnO4 + C2H6 =>
C2H6O + 2 KMnO4 + H2O = 2 KOH + 2 MnO4 + C2H6
Ca(OH)2 + SiO2 + C + O2 = CaSiO3 + CO24H2O =>
Ca(OH)2 + SiO2 + C + 12 O2 = CaSiO3 + CO24H2O
(NH4)2S4 + O2 = SO2 + NO2 + H2O =>
(NH4)2S4 + 8 O2 = 4 SO2 + 2 NO2 + 4 H2O
NaHCO3(s) + HCl(aq) = H2O(aq) + CO2(g) + NaCl(aq) =>
NaHCO3(s) + HCl(aq) = H2O(aq) + CO2(g) + NaCl(aq)
Ge + H2O2 + NaOH = Na2[Ge(OH)6] =>
Ge + 2 H2O2 + 2 NaOH = Na2[Ge(OH)6]
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
FeSO4 + K2MnO4 + NH4HSO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + (NH4)2SO4 + H2O =>
4 FeSO4 + K2MnO4 + 8 NH4HSO4 = 2 Fe2(SO4)3 + K2SO4 + MnSO4 + 4(NH4)2SO4 + 4 H2O
MgO(s) + Fe(s) = Fe2O3(s) + Mg(s) =>
3 MgO(s) + 2 Fe(s) = Fe2O3(s) + 3 Mg(s)
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
AgNO3(aw) + Cu(s) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aw) + Cu(s) = Cu(NO3)2(aq) + 2 Ag(s)
PbN6 + CrMn2O8 = Pb3O4 + Cr + MnO2 + NO =>
6 PbN6 + 11 CrMn2O8 = 2 Pb3O4 + 11 Cr + 22 MnO2 + 36 NO
Fe(OH)2 + (H)2(O)2 = Fe(OH)3 =>
2 Fe(OH)2 + (H)2(O)2 = 2 Fe(OH)3
I2(l) + KBr(aq) = KI2(aq) + Br(s) =>
I2(l) + KBr(aq) = KI2(aq) + Br(s)
Cr2O4 = CrO2 =>
Cr2O4 = 2 CrO2
KBr + KCr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
14 KBr + 2 KCr2O7 + 14 H2SO4 = 7 Br2 + 2 Cr2(SO4)3 + 8 K2SO4 + 14 H2O
ClO{-} + OH{-} + CrO2{-} = Cl{-} + H2O + CrO4{2-} =>
3 ClO{-} + 2 OH{-} + 2 CrO2{-} = 3 Cl{-} + H2O + 2 CrO4{2-}
Ni(OH)2 + H4SiO4 = Ni3(HSiO4)2 + H2O =>
3 Ni(OH)2 + 2 H4SiO4 = Ni3(HSiO4)2 + 6 H2O
HI(aq) + Cl2(g) = HCl(aq) + I2(s) =>
2 HI(aq) + Cl2(g) = 2 HCl(aq) + I2(s)
Zn(NO3)2 + MgSO4 = ZnSO4 + Mg(NO3)2 =>
Zn(NO3)2 + MgSO4 = ZnSO4 + Mg(NO3)2
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Équations équilibrées sur01/08/25
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