| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 C6H5CH2CH2CH2CH3 + 13 K2Cr2O7 + 47 H2SO4 = 10 C6H5COOK + 13 Cr2(SO4)3 + 8 K2SO4 + 71 H2O
Na2S + KOH = NaOH + K2S =>
Na2S + 2 KOH = 2 NaOH + K2S
SrCl2 + K2C2O4 = SrC2O4 + KCl =>
SrCl2 + K2C2O4 = SrC2O4 + 2 KCl
Na(OH) + H2C2O4 = Na2C2O4 + H2O =>
2 Na(OH) + H2C2O4 = Na2C2O4 + 2 H2O
H{+} + Cr2O7{2-} + C2H5OH = Cr3{3+} + C2H4O + H2O =>
12 H{+} + 3 Cr2O7{2-} + 15 C2H5OH = 2 Cr3{3+} + 15 C2H4O + 21 H2O
ZnSO4 + H2O = Zn7H2O + SO4 =>
7 ZnSO4 + H2O = Zn7H2O + 7 SO4
FeCl2 + Br2 = Cl + FeBr =>
2 FeCl2 + Br2 = 4 Cl + 2 FeBr
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
C19H19N7O6 + O2 = CO2 + H2O + N2 =>
4 C19H19N7O6 + 83 O2 = 76 CO2 + 38 H2O + 14 N2
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
CH3CH2Cl + CH3COOK = CH3CH2OOCCH3 + KCl =>
CH3CH2Cl + CH3COOK = CH3CH2OOCCH3 + KCl
S + HO2{-} + H3O{+} = H2O + SO2 =>
S + 2 HO2{-} + 2 H3O{+} = 4 H2O + SO2
Sr(IO3)2 = Sr2 + IO3 =>
2 Sr(IO3)2 = Sr2 + 4 IO3
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
NH4OH + H2O = H2NO4 + H2 =>
2 NH4OH + 6 H2O = 2 H2NO4 + 9 H2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Ru + O2 = RuO7 =>
2 Ru + 7 O2 = 2 RuO7
NaOH + Fe2O3 = NaO3 + Fe2OH =>
NaOH + Fe2O3 = NaO3 + Fe2OH
K4CoF6 + H2O = Co(OH)2 + KF + HF =>
K4CoF6 + 2 H2O = Co(OH)2 + 4 KF + 2 HF
SnCl2 + NaOH = NaCl + Sn(OH)2 = NaOH =>
SnCl2 + 2 NaOH = 2 NaCl + Sn(OH)2
Be + NaOH + H2O = Na[Be(OH)4] + H2 =>
2 Be + 2 NaOH + 6 H2O = 2 Na[Be(OH)4] + 3 H2
CO(NO3)2Cl3 + NaOH = CO(OH)3 + NaCl + NO3 =>
CO(NO3)2Cl3 + 3 NaOH = CO(OH)3 + 3 NaCl + 2 NO3
MnO2 + O2 + NaOH = Na2MnO4 + H2O =>
2 MnO2 + O2 + 4 NaOH = 2 Na2MnO4 + 2 H2O
Fe + CuS = Fe2S2 + Cu =>
2 Fe + 2 CuS = Fe2S2 + 2 Cu
Mg + H2SO4 = MgSO4 + H2(g) =>
Mg + H2SO4 = MgSO4 + H2(g)
Na2SO3 + S8 = Na2S2O3 =>
8 Na2SO3 + S8 = 8 Na2S2O3
(Cr(N2H4CO)6)(CN)3 + KMnO4 + H2SO4 = K2Cr2O7 + CO2 + KNO3 + MnSO4 + K2SO4 + H2O =>
10(Cr(N2H4CO)6)(CN)3 + 258 KMnO4 + 307 H2SO4 = 5 K2Cr2O7 + 90 CO2 + 150 KNO3 + 258 MnSO4 + 49 K2SO4 + 427 H2O
C8H16 + O2 = CO2 + H2O =>
C8H16 + 12 O2 = 8 CO2 + 8 H2O
C7H8O2 + H2 = C7H8O + H2O =>
C7H8O2 + H2 = C7H8O + H2O
Pb(NO3)2 + K4Fe(CN)6 = KNO3 + Pb2(Fe(CN)6) =>
2 Pb(NO3)2 + K4Fe(CN)6 = 4 KNO3 + Pb2(Fe(CN)6)
FeS2 + H2O = Fe(OH)4 + H2S =>
FeS2 + 4 H2O = Fe(OH)4 + 2 H2S
Zn(OH)2 + P4O10 = Zn3(PO4)2 + H2O =>
6 Zn(OH)2 + P4O10 = 2 Zn3(PO4)2 + 6 H2O
Br2 + C8H9ON = C8H8ON + HBr =>
Br2 + 2 C8H9ON = 2 C8H8ON + 2 HBr
HBr + NH4SO3 = HSO3 + NH4Br =>
HBr + NH4SO3 = HSO3 + NH4Br
NaAsO2 + SnCl2 = Sn + AsO2 + ClNa =>
2 NaAsO2 + SnCl2 = Sn + 2 AsO2 + 2 ClNa
Fe(NO3)3 + KOH = Fe2O3 + KNO3 + H2O =>
2 Fe(NO3)3 + 6 KOH = Fe2O3 + 6 KNO3 + 3 H2O
KMnO4 + H2SO4 + HCOOH = (COOH)2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCOOH = 5(COOH)2 + K2SO4 + 2 MnSO4 + 8 H2O
AgNO3 + CdI2 = Cd(NO3)2 + AgI =>
2 AgNO3 + CdI2 = Cd(NO3)2 + 2 AgI
HgNO32 = HgO + NO2 + O2 =>
2 HgNO32 = 2 HgO + 2 NO2 + 29 O2
C3H7OH + [Cr2O7]2{-} + H{+} = Cr3{+} + C3H6O + H2O =>
77 C3H7OH + 6[Cr2O7]2{-} + 14 H{+} = 8 Cr3{+} + 77 C3H6O + 84 H2O
Mn(NO3)2 + H2O2 + NaOH = MnO2 + Na(NO3) + H2O =>
Mn(NO3)2 + H2O2 + 2 NaOH = MnO2 + 2 Na(NO3) + 2 H2O
C5H10 + HCl = C2H6 + C2H3Cl =>
4 C5H10 + 5 HCl = 5 C2H6 + 5 C2H3Cl
CO + H2O + F2 = C2H3F3 + O2 =>
8 CO + 6 H2O + 6 F2 = 4 C2H3F3 + 7 O2
Al2O3 + Co(NO3)2 = CoAl2O4 + NO2 + O2 =>
2 Al2O3 + 2 Co(NO3)2 = 2 CoAl2O4 + 4 NO2 + O2
NaAl(OH)4 + H = Al(OH)3 + H2O + Na =>
NaAl(OH)4 + H = Al(OH)3 + H2O + Na
Zn + CrBr3 = CrBr2 + ZnBr2 =>
Zn + 2 CrBr3 = 2 CrBr2 + ZnBr2
NaS2O3 + H2O = HS2O3 + NaOH =>
NaS2O3 + H2O = HS2O3 + NaOH
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CaCl2 + Na(HCO3) = CaCO3 + H2O + CO2 + NaCl =>
CaCl2 + 2 Na(HCO3) = CaCO3 + H2O + CO2 + 2 NaCl
Pb2S2 + O2 = PbO2 + S =>
Pb2S2 + 2 O2 = 2 PbO2 + 2 S
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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