| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(s) + H2SO4 = CaSO4 + H2(g)
HNO3 + C(OH)2 = C(NO3)2 + H2O =>
2 HNO3 + C(OH)2 = C(NO3)2 + 2 H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
K2Cr2O7 + K2S + HNO3 = S + Cr(NO3)3 + KNO3 + KOH =>
K2Cr2O7 + 3 K2S + 7 HNO3 = 3 S + 2 Cr(NO3)3 + KNO3 + 7 KOH
KBr + Hg(OH)2 + H2SO4 = K2[HgBr4] + K2SO4 + H2O =>
4 KBr + Hg(OH)2 + H2SO4 = K2[HgBr4] + K2SO4 + 2 H2O
OH{-} + Cl2 + Cr(OH)3 = CrO4{2-} + Cl{-} + H2O =>
10 OH{-} + 3 Cl2 + 2 Cr(OH)3 = 2 CrO4{2-} + 6 Cl{-} + 8 H2O
Pb(CH3COO)2 + K2S = PbS + KCH3COO =>
Pb(CH3COO)2 + K2S = PbS + 2 KCH3COO
(NH4)2SO4 + Ca(NO3)2 = NH4NO3 + CaSO4 =>
(NH4)2SO4 + Ca(NO3)2 = 2 NH4NO3 + CaSO4
H2S + FrOH = Fr2S + H2O =>
H2S + 2 FrOH = Fr2S + 2 H2O
CH3CH2OH + (x)PCl3 = CH3CH2Cl + H3PO3 =>
3 CH3CH2OH + (x)PCl3 = 3 CH3CH2Cl + H3PO3
Fe2(SO4)3 + F = FeF3 + SO3 + O2 =>
2 Fe2(SO4)3 + 12 F = 4 FeF3 + 6 SO3 + 3 O2
VO{2+} + H2O = V(OH)4{+} + H{+} + e =>
VO{2+} + 3 H2O = V(OH)4{+} + 2 H{+} + e
Al + ZnSO4 = Zn + Al(SO4)5 =>
Al + 5 ZnSO4 = 5 Zn + Al(SO4)5
Sn(ClO3)4 + NaCl = SnCl4 + NaClO3 =>
Sn(ClO3)4 + 4 NaCl = SnCl4 + 4 NaClO3
Zn + Cu3(PO4)2 = Zn(PO4) + Cu =>
2 Zn + Cu3(PO4)2 = 2 Zn(PO4) + 3 Cu
Ag(s) + Fe(NO3)3(aq) = AgNO3 + Fe =>
3 Ag(s) + Fe(NO3)3(aq) = 3 AgNO3 + Fe
C8H7NO3 + NaBH4 = C8H9NO3 + BH3 + Na =>
C8H7NO3 + 2 NaBH4 = C8H9NO3 + 2 BH3 + 2 Na
C6H5CH2OH + KMnO4 + HCl = C6H5CH2COOH + KCl + MnCl2 + H2O =>
8 C6H5CH2OH + 4 KMnO4 + 12 HCl = 7 C6H5CH2COOH + 4 KCl + 4 MnCl2 + 10 H2O
PbI2 + CH3COOH = (CH3COO)2Pb + HI =>
PbI2 + 2 CH3COOH = (CH3COO)2Pb + 2 HI
CrO3 + CaCl2 = CrCl3 + CaO2 =>
2 CrO3 + 3 CaCl2 = 2 CrCl3 + 3 CaO2
Cr(OH)3 + Na2O2 = Na2Cr2O7 + NaOH + H2O =>
2 Cr(OH)3 + 3 Na2O2 = Na2Cr2O7 + 4 NaOH + H2O
Cu0 + Cl{+} = Cu2{+} + Cl =>
2 Cu0 + Cl{+} = Cu2{+} + Cl
Cd + Sn2(SO3)4 = Sn + Cd(SO3) =>
4 Cd + Sn2(SO3)4 = 2 Sn + 4 Cd(SO3)
C6H10O4 + NaOH = Na + H2O + C6H8O4 =>
C6H10O4 + 2 NaOH = 2 Na + 2 H2O + C6H8O4
HCl + K2Cr2O7 + Cu3P = CuCl2 + H2PO3 + CrCl3 + H2O + KCl =>
58 HCl + 5 K2Cr2O7 + 3 Cu3P = 9 CuCl2 + 3 H2PO3 + 10 CrCl3 + 26 H2O + 10 KCl
H2 + Cl2 = H18Cl99 =>
18 H2 + 99 Cl2 = 2 H18Cl99
Pb(NO3)2 + FeCl3 = Pb(Cl3)2 + Fe(NO3) =>
Pb(NO3)2 + 2 FeCl3 = Pb(Cl3)2 + 2 Fe(NO3)
NaI + Mn(NO3)2 = NaNO3 + MnI2 =>
2 NaI + Mn(NO3)2 = 2 NaNO3 + MnI2
H3O + NH3 = NH4 + H2O =>
H3O + NH3 = NH4 + H2O
NaCl + Pb(ClO3)2 = NaClO3 + PbCl2 =>
2 NaCl + Pb(ClO3)2 = 2 NaClO3 + PbCl2
FeSO4(aq) + Ca = CaSO4 + Fe =>
FeSO4(aq) + Ca = CaSO4 + Fe
Na2CrO4 + H2O = Na2O + (H) + CrO4 =>
Na2CrO4 + H2O = Na2O + 2(H) + CrO4
C2H6O + KMnO4 + H2SO4 = CH3COOH + H2O + K2SO4 + MnSO4 =>
5 C2H6O + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 11 H2O + 2 K2SO4 + 4 MnSO4
Pb(C2H5)4 + O = PbO + CO2 + H2O =>
Pb(C2H5)4 + 27 O = PbO + 8 CO2 + 10 H2O
Ni(CN)2 = Ni + CN =>
Ni(CN)2 = Ni + 2 CN
Bi2O4 + TiO2 = Bi4Ti3O12 + Bi174Ti2000O6624 =>
2363 Bi2O4 + 5414 TiO2 = 1138 Bi4Ti3O12 + Bi174Ti2000O6624
NaHCO3 + HCH2COOH = CH3COONa + CO2 + H2O =>
NaHCO3 + HCH2COOH = CH3COONa + CO2 + H2O
(CH3)2NH + O2 = CO2 + H2O + NO2 =>
4(CH3)2NH + 19 O2 = 8 CO2 + 14 H2O + 4 NO2
FeCl2 + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnCl2 + Fe2(SO4)3 + H2O =>
14 FeCl2 + 6 KMnO4 + 24 H2SO4 = 8 Cl2 + 3 K2SO4 + 6 MnCl2 + 7 Fe2(SO4)3 + 24 H2O
Cl2 + CrCl3 + KCl + H2O = K2Cr2O7 + HCl =>
3 Cl2 + 2 CrCl3 + 2 KCl + 7 H2O = K2Cr2O7 + 14 HCl
CoCl2 + CuNO3 = CoN2O6 + CuCl =>
CoCl2 + 2 CuNO3 = CoN2O6 + 2 CuCl
Na[Cu(CN)2] = Cu + CN + NaCN =>
Na[Cu(CN)2] = Cu + CN + NaCN
Au(NO3)3 + Co = Co(NO3)3 + Au =>
Au(NO3)3 + Co = Co(NO3)3 + Au
(C3H7OH)2 + O = CO2 + H2O =>
(C3H7OH)2 + 18 O = 6 CO2 + 8 H2O
FeS3C3N3 + KCl = FeCl3 + KSCN = FeS3C3N3 + KClFeCl3 + KSCN = =>
FeS3C3N3 + 3 KCl = FeCl3 + 3 KSCN
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
Al(NO3)3 + Pb = Al + Pb(NO3)2 =>
2 Al(NO3)3 + 3 Pb = 2 Al + 3 Pb(NO3)2
P4 + OH{-} + H2O = H2 + H2PO2{-} =>
P4 + 4 OH{-} + 4 H2O = 2 H2 + 4 H2PO2{-}
Na2S2O3 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
Na2S2O3 + 4 Cl2 + 10 NaOH = 2 Na2SO4 + 8 NaCl + 5 H2O
NH3 + O2 = H2O + N9O =>
36 NH3 + 29 O2 = 54 H2O + 4 N9O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/19/25
Équations équilibrées sur03/21/24
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