| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 2 KOH = Pb(OH)2 + 2 K
Sr{2+} + F{-} = SrF2 =>
Sr{2+} + 2 F{-} = SrF2
NaOH + H2SO4 = Na2SO4 + H2O = ionicequation =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Zn + Ag2SO3 = Ag + Zn(SO3)2 =>
Zn + 2 Ag2SO3 = 4 Ag + Zn(SO3)2
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
NiBr4 + Fe = FeBr3 + Ni =>
3 NiBr4 + 4 Fe = 4 FeBr3 + 3 Ni
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
Al + HCl = AlCl + H =>
Al + HCl = AlCl + H
C8H9NO2 + C12H22O11 = C10H15N + H2O + CO2 =>
8 C8H9NO2 + 3 C12H22O11 = 8 C10H15N + 9 H2O + 20 CO2
Ga + Se = GaSe2 =>
Ga + 2 Se = GaSe2
Pb + HBrO = Pb(BrO)4 + H2 =>
Pb + 4 HBrO = Pb(BrO)4 + 2 H2
C5H104O6 + O2 = CO2 + H2O =>
C5H104O6 + 28 O2 = 5 CO2 + 52 H2O
KCl + CoCl2 + NaNO2 + CH3COOH = K3[Co(NO2)6] + CH3COONa + HCl + Na(NO)3 + H2O =>
12 KCl + 4 CoCl2 + 27 NaNO2 + 26 CH3COOH = 4 K3[Co(NO2)6] + 26 CH3COONa + 20 HCl + Na(NO)3 + 3 H2O
CuCl + O2 = Cu(ClO3) =>
2 CuCl + 3 O2 = 2 Cu(ClO3)
Cr2O7{2-} + H{+} + F{-} = Cr{3+} + F2 + H2O =>
Cr2O7{2-} + 14 H{+} + 6 F{-} = 2 Cr{3+} + 3 F2 + 7 H2O
Sr(s) + S8(s) = SrS =>
8 Sr(s) + S8(s) = 8 SrS
Al2 + O2 + H2O = AlHO =>
2 Al2 + O2 + 2 H2O = 4 AlHO
HCl(aq) + NaI(aq) = NaCl(aq) + HI(aq) =>
HCl(aq) + NaI(aq) = NaCl(aq) + HI(aq)
(H(IO2)) + Ba(OH)2 = Ba(IO2)2 + (H2O) =>
2(H(IO2)) + Ba(OH)2 = Ba(IO2)2 + 2(H2O)
Cr + Cu(SO4) = Cu + Cr2(SO4)3 =>
2 Cr + 3 Cu(SO4) = 3 Cu + Cr2(SO4)3
NaMnO4 + NaI + NaOH = NaIO3 + Na2MnO4 + H2O =>
6 NaMnO4 + NaI + 6 NaOH = NaIO3 + 6 Na2MnO4 + 3 H2O
HCO3(s) + C6H8O7 = H2O(l) + CO2(g) =>
18 HCO3(s) + C6H8O7 = 13 H2O(l) + 24 CO2(g)
*3CH3OH + *3O2 = CO2 + H2O =>
2*3CH3OH + 3*3O2 = 6 CO2 + 12 H2O
H2SO4 + NaHCO3 = CO2 + H2O + Na2SO4 =>
H2SO4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2SO4
S + Mg = MgS =>
S + Mg = MgS
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
S8(s) + NO3{-}(aq) + H{+} = S4O62{-}(aq) + NO2(g) + H2O(l) =>
S8(s) + 246 NO3{-}(aq) + 244 H{+} = 2 S4O62{-}(aq) + 246 NO2(g) + 122 H2O(l)
CH3COO + BaCl2 = Ba(CH3COO) + Cl2 =>
CH3COO + BaCl2 = Ba(CH3COO) + Cl2
Cd + NaOH = CdOH + Na =>
Cd + NaOH = CdOH + Na
KHSO4 + BaOHI = BaHI + KOHSO4 =>
KHSO4 + BaOHI = BaHI + KOHSO4
AgNO3Na2SiO3 = Na2NO3AgSiO3 =>
AgNO3Na2SiO3 = Na2NO3AgSiO3
Ag2S + Cl2 = AgCl + S =>
Ag2S + Cl2 = 2 AgCl + S
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Hg2(NO3)2(aq) + NaCl(ag) = Hg2Cl2(s) + NaNO3(aq) =>
Hg2(NO3)2(aq) + 2 NaCl(ag) = Hg2Cl2(s) + 2 NaNO3(aq)
MnI3 = Mn + I =>
MnI3 = Mn + 3 I
Zn3(PO4)2 + HCl = ZnCl2 + H3(PO4) =>
Zn3(PO4)2 + 6 HCl = 3 ZnCl2 + 2 H3(PO4)
Bi2O3 + NaOH + NaOCl = NaBiO3 + NaCl + H2 =>
Bi2O3 + 2 NaOH + NaOCl = 2 NaBiO3 + NaCl + H2
NaOH + H2C2O4(S) = Na2C2O4(S) + H2O =>
2 NaOH + H2C2O4(S) = Na2C2O4(S) + 2 H2O
K2Cr2O7 + Na2SO3 + H2SO4 = Cr(HSO4)3 + NaHSO4 + KHSO4 + H2O =>
K2Cr2O7 + 3 Na2SO3 + 11 H2SO4 = 2 Cr(HSO4)3 + 6 NaHSO4 + 2 KHSO4 + 4 H2O
FeS2 + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS2 + 15 O2 + 8 H2O = 2 Fe2O3 + 8 H2SO4
CaC2 + H2O + CO2 = C3H4O2 + Ca(OH)2 =>
6 CaC2 + 16 H2O + 3 CO2 = 5 C3H4O2 + 6 Ca(OH)2
I2 + NaBr = NaI + Br =>
I2 + 2 NaBr = 2 NaI + 2 Br
Cu(NO3)2 + NaCl = NaNO3 + CuCl2 =>
Cu(NO3)2 + 2 NaCl = 2 NaNO3 + CuCl2
Ca(OH)2 + HCI = Ca(CI)2 + H2O =>
Ca(OH)2 + 2 HCI = Ca(CI)2 + 2 H2O
Na2CrO4 + HCl + Na2SO3 = Cr2(SO4)3 + NaCl + H2O =>
2 Na2CrO4 + 10 HCl + 3 Na2SO3 = Cr2(SO4)3 + 10 NaCl + 5 H2O
NaCl + Sn(OH)2 + Na2S = Na2SnS3 + Na3OHCl =>
2 NaCl + Sn(OH)2 + 3 Na2S = Na2SnS3 + 2 Na3OHCl
Li3(PO4) + CoCl2 = LiCl + Co3(PO4)2 =>
2 Li3(PO4) + 3 CoCl2 = 6 LiCl + Co3(PO4)2
(BaOH)2SeO4 = BaOH + SeO4 =>
(BaOH)2SeO4 = 2 BaOH + SeO4
AlCl3 + Ag(NO3)2 = Al(NO3)2 + AgCl3 =>
AlCl3 + Ag(NO3)2 = Al(NO3)2 + AgCl3
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