| Équations équilibrées la veille |
2 HBr + FeSO4 = H2SO4 + Br2Fe
Fe(CrO2)2 + O2 + Na2CO3 = Fe2O3 + CO2 + Na2Cr2O7 =>
4 Fe(CrO2)2 + 7 O2 + 4 Na2CO3 = 2 Fe2O3 + 4 CO2 + 4 Na2Cr2O7
Al2 + S3 + Ca(OH)2 = Al(OH)3 + CaS =>
Al2 + S3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaS
C8H18 + OH{-} = C8H17 + H2O + e =>
C8H18 + OH{-} = C8H17 + H2O + e
HgS + S2O8{2-} = Hg{2+} + S + SO4{2-} =>
HgS + S2O8{2-} = Hg{2+} + S + 2 SO4{2-}
Al2(SO3)3 + HCl = H2SO3 + AlCl3 =>
Al2(SO3)3 + 6 HCl = 3 H2SO3 + 2 AlCl3
MgSO4 + LiBr = MgBr2Li2SO4 =>
MgSO4 + 2 LiBr = MgBr2Li2SO4
NaCl(aq) + H2SO4 + MnO2(s) = Na2SO4(aq) + MnCl2(aq) + H2O(l) + Cl2 =>
4 NaCl(aq) + 2 H2SO4 + MnO2(s) = 2 Na2SO4(aq) + MnCl2(aq) + 2 H2O(l) + Cl2
H3AsO4 + Ca(OH)2 = Ca3(AsO4)2 + H2O =>
2 H3AsO4 + 3 Ca(OH)2 = Ca3(AsO4)2 + 6 H2O
HNO3 + [Ag(NH3)2]Cl = NH4NO3 + AgCl =>
2 HNO3 + [Ag(NH3)2]Cl = 2 NH4NO3 + AgCl
K3Fe(C2O4)3*3H2O + KI = FeI3 + K6(C2O4)3 + H2O =>
K3Fe(C2O4)3*3H2O + 3 KI = FeI3 + K6(C2O4)3 + 3 H2O
Al2O2 + W = Al2O2W =>
Al2O2 + W = Al2O2W
NaO + H2O = Na + OH =>
NaO + H2O = Na + 2 OH
K2CO3(aq) + SnCl4(aq) = K2Cl4 + SnCO3 =>
K2CO3(aq) + SnCl4(aq) = K2Cl4 + SnCO3
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni =>
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni
H3C{-}CH2{-}CH3(t,Ni) = H3C{-}CH = CH2 + H3 =>
H3C{-}CH2{-}CH3(t,Ni) = H3C{-}CH
(NH)4 + NO3 = N2O + H2O =>
5(NH)4 + 8 NO3 = 14 N2O + 10 H2O
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
NaHCO3(s) + CH3OOH(aq) = CH3COONa(s) + CO2(g) + H2O(l) =>
NaHCO3(s) + 2 CH3OOH(aq) = CH3COONa(s) + CO2(g) + 3 H2O(l)
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
Ir2(CrO4)3 + CuSO3 = IrSO3 + Cu2(CrO4)3 =>
Ir2(CrO4)3 + 2 CuSO3 = 2 IrSO3 + Cu2(CrO4)3
Cu + HNO3 = (NO)2 + H2O + Cu(NO3)2 =>
3 Cu + 8 HNO3 = (NO)2 + 4 H2O + 3 Cu(NO3)2
HCl + S = H + SCl =>
HCl + S = H + SCl
NH4NO3 + NaOH = NH4OH + NaNO3 =>
NH4NO3 + NaOH = NH4OH + NaNO3
Ca + Na2SO4 = CaSO4 + Na =>
Ca + Na2SO4 = CaSO4 + 2 Na
Na(OH) + K(CO3) = Na(CO3) + K(OH) =>
Na(OH) + K(CO3) = Na(CO3) + K(OH)
Zn + Fe(Cl3) = Fe + ZnCl2 =>
3 Zn + 2 Fe(Cl3) = 2 Fe + 3 ZnCl2
NaOH + NH4HCO3 = NH4HOH + NaCO3 =>
NaOH + NH4HCO3 = NH4HOH + NaCO3
I + HNO3 = HIO3 + NO + H2O =>
3 I + 5 HNO3 = 3 HIO3 + 5 NO + H2O
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 = =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cu + FeCI2 = CuCI2 + Fe =>
Cu + FeCI2 = CuCI2 + Fe
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KMnO4 + H2C2O4 + HClO4 = KClO4Mn(ClO4)2 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 6 HClO4 = 2 KClO4Mn(ClO4)2 + 10 CO2 + 8 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na2ZnO + H2O + O2 = Na2[Zn(OH)4] =>
2 Na2ZnO + 4 H2O + O2 = 2 Na2[Zn(OH)4]
H2AlO2 + KOH = K2AlO2 + H2O =>
H2AlO2 + 2 KOH = K2AlO2 + 2 H2O
SO3{2-} + CrO4{2-} + H2O = Cr(OH)4{-} + SO4{2-} + OH{-} =>
3 SO3{2-} + 2 CrO4{2-} + 5 H2O = 2 Cr(OH)4{-} + 3 SO4{2-} + 2 OH{-}
H2O + Fe(OH)2 + NaNO3 = Fe(OH)3 + NaNO2 =>
H2O + 2 Fe(OH)2 + NaNO3 = 2 Fe(OH)3 + NaNO2
Na2SO3(aq) + KOH(aq) = NaOH(aq) + K2SO3(s) =>
Na2SO3(aq) + 2 KOH(aq) = 2 NaOH(aq) + K2SO3(s)
HI + K2Cr2O7 + HNO3 = I2 + Cr(NO3)3 + KNO3 + H2O =>
6 HI + K2Cr2O7 + 8 HNO3 = 3 I2 + 2 Cr(NO3)3 + 2 KNO3 + 7 H2O
ZnSO3 + NaOH = Na2SO3 + Zn(OH)2 =>
ZnSO3 + 2 NaOH = Na2SO3 + Zn(OH)2
KI + Br2 = I2 + KBr =>
2 KI + Br2 = I2 + 2 KBr
H3PO4 + OsO4 = H3O4 + Os(PO4) =>
H3PO4 + OsO4 = H3O4 + Os(PO4)
NaHS + NaOH + O2 = Na2SO4 + H2O =>
NaHS + NaOH + 2 O2 = Na2SO4 + H2O
KI + Br2 = I2 + KBr =>
2 KI + Br2 = I2 + 2 KBr
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