| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H5NH2 + 3 H2O2 = C2H5NO2 + 4 H2O
Al(NO3)3(aq) + NaCl(aq) = AlCl3 + Na(NO3) =>
Al(NO3)3(aq) + 3 NaCl(aq) = AlCl3 + 3 Na(NO3)
KMnO4 + C2H204*2H2O + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
212 KMnO4 + 5 C2H204*2H2O + 318 H2SO4 = 212 MnSO4 + 106 K2SO4 + 10 CO2 + 838 H2O
Fe2CO3 + C = CO + Fe =>
Fe2CO3 + 2 C = 3 CO + 2 Fe
K2Cr2O7 + C6H12O6 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO6 + H2O =>
12 K2Cr2O7 + C6H12O6 + 48 H2SO4 = 12 Cr2(SO4)3 + 12 K2SO4 + 6 CO6 + 54 H2O
NaSO4 = NaS + O2 =>
NaSO4 = NaS + 2 O2
CH3COOH(aq) + I2(s) = CH3COOI(aq) + HI(aq) =>
CH3COOH(aq) + I2(s) = CH3COOI(aq) + HI(aq)
Pb(NO3)2 + MgCrO4 = PbCrO4 + Mg(NO3)2 =>
Pb(NO3)2 + MgCrO4 = PbCrO4 + Mg(NO3)2
ZnO + Ba(OH)2 + H2O = Ba[Zn(OH)4] =>
ZnO + Ba(OH)2 + H2O = Ba[Zn(OH)4]
ZnO + CaCO3 = CaZnO2 + CO2 =>
ZnO + CaCO3 = CaZnO2 + CO2
Fe2 + O = Fe3O4 =>
3 Fe2 + 8 O = 2 Fe3O4
H2CO3 + NaOH = Na2CO3 + H2O =>
H2CO3 + 2 NaOH = Na2CO3 + 2 H2O
Zn + Cu(SO2) = Cu + Zn(SO2) =>
Zn + Cu(SO2) = Cu + Zn(SO2)
Ba + CO = BaCO =>
Ba + CO = BaCO
(NH4)2SO4(aq) + KOH(aq) = K2SO4 + NH3 + H2O =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4 + 2 NH3 + 2 H2O
Ni(s) + O2(g) = NiO2 =>
Ni(s) + O2(g) = NiO2
BeCl2 + NH4 = BeH4 + NCl2 =>
BeCl2 + NH4 = BeH4 + NCl2
H2CO3 + NaCl = Na2CO3 + HCl =>
H2CO3 + 2 NaCl = Na2CO3 + 2 HCl
KCl + H2O = KOH + HCl =>
KCl + H2O = KOH + HCl
Kr + F = KrF6 =>
Kr + 6 F = KrF6
CrO4{2-} + H2SO4 = Cr2O7{2-} + H2O + SO4{2-} =>
2 CrO4{2-} + H2SO4 = Cr2O7{2-} + H2O + SO4{2-}
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
Zn + HCI = H + ZnCI =>
Zn + HCI = H + ZnCI
H3BO3 + Sr(OH)2 = Sr(B(OH)4)2 =>
2 H3BO3 + Sr(OH)2 = Sr(B(OH)4)2
C4H10O + O = CO2 + H2O =>
C4H10O + 12 O = 4 CO2 + 5 H2O
CaCO3 = CaOCO2 =>
CaCO3 = CaOCO2
(NH4)2C2O4 + KMnO4 + H2SO4 = K2SO4 + (NH4)2SO4 + MnSO4 + CO2 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5(NH4)2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
S + OO = OSOO =>
2 S + 3 OO = 2 OSOO
PbCl2 + C2H5NS = PbS + C2H5NCl2 =>
PbCl2 + C2H5NS = PbS + C2H5NCl2
Ca3(PO4)2 + Al(OH)3 = Ca(OH)2 + AlPO4 =>
Ca3(PO4)2 + 2 Al(OH)3 = 3 Ca(OH)2 + 2 AlPO4
Ag2(CO3) + NaCl = AgCl + Na2CO3 =>
Ag2(CO3) + 2 NaCl = 2 AgCl + Na2CO3
[F{+}] + O2 = [O2{+}] + F2 =>
2[F{+}] + 2 O2 = 2[O2{+}] + F2
H4P2O7 + NaOH = Na3PO4 + H2O =>
H4P2O7 + 6 NaOH = 2 Na3PO4 + 5 H2O
Fe{2+} + KMnO4{-} + H{+} = Fe{3+} + KMn{2+} + H2O =>
5 Fe{2+} + KMnO4{-} + 8 H{+} = 5 Fe{3+} + KMn{2+} + 4 H2O
KClO3 + KI + H2O = HCl + I2 + KOH =>
KClO3 + 6 KI + 4 H2O = HCl + 3 I2 + 7 KOH
Na3PO4 + CuCl2 = Cu3O8P2 + NaCl =>
2 Na3PO4 + 3 CuCl2 = Cu3O8P2 + 6 NaCl
C9H8O + O3 = C2H2O2 + C7H6O =>
3 C9H8O + 2 O3 = 3 C2H2O2 + 3 C7H6O
H2SO3(aq) + LiOH(aq) = H2OH + LiSO3 =>
H2SO3(aq) + LiOH(aq) = H2OH + LiSO3
Fe + NaNO3 + HCl = FeNO3 + NaCl + H2O + NO =>
3 Fe + 4 NaNO3 + 4 HCl = 3 FeNO3 + 4 NaCl + 2 H2O + NO
KBrO3 + KI + HCl = KBr + KCl + I + H2O =>
KBrO3 + 6 KI + 6 HCl = KBr + 6 KCl + 6 I + 3 H2O
K2O + Co2 = K2Co3 + O2 =>
2 K2O + 3 Co2 = 2 K2Co3 + O2
Ba + H2O = H2 + Ba2O =>
2 Ba + H2O = H2 + Ba2O
Pb(NO3)2 + KOH = PbK2 + NO3OH =>
Pb(NO3)2 + 2 KOH = PbK2 + 2 NO3OH
H3AsO3 + KI + SnCl2 + H2SO4 = AsH3 + KCl + Sn2SO4 + I2 + H2O =>
H3AsO3 + 12 KI + 6 SnCl2 + 3 H2SO4 = AsH3 + 12 KCl + 3 Sn2SO4 + 6 I2 + 3 H2O
FeH2 + O2 = Fe2O3 + H2O =>
4 FeH2 + 5 O2 = 2 Fe2O3 + 4 H2O
C2H6 + Br2 = C2H4Br2 + HBr =>
C2H6 + 2 Br2 = C2H4Br2 + 2 HBr
SiO3 = SiO + O2 =>
SiO3 = SiO + O2
Fe(OH)2 + K2Cr2O7 + H2O = Fe(OH)3 + Cr2O3(s) + KOH(ac) =>
6 Fe(OH)2 + K2Cr2O7 + 4 H2O = 6 Fe(OH)3 + Cr2O3(s) + 2 KOH(ac)
H2CO3 + KOH = H2O + K2CO3 =>
H2CO3 + 2 KOH = 2 H2O + K2CO3
Cr2(SO3)3 + H2SO4 = Cr2(SO4)3 + H2(SO3) =>
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2(SO3)
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Équations équilibrées sur01/15/24
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