Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CH2CH2Br + NaBH4 = CH3CH2CH3 + NaBr + BH3
CH3MgCl + SiCl4 = CH3SiCl3 + MgCl2 =>
CH3MgCl + SiCl4 = CH3SiCl3 + MgCl2
H2SO4 + CH2O = H2S + CO2 + H2O =>
H2SO4 + 2 CH2O = H2S + 2 CO2 + 2 H2O
Zn + Ni(NO3)3 = Ni + Zn(NO3) =>
3 Zn + Ni(NO3)3 = Ni + 3 Zn(NO3)
Fe(No3)3 + NaCl = Fe(Cl)3 + NaNo3 =>
Fe(No3)3 + 3 NaCl = Fe(Cl)3 + 3 NaNo3
Pb + O + H = Pb(OH)4 =>
Pb + 4 O + 4 H = Pb(OH)4
C2Br9 + Cl2 = Cl4Br5 + C =>
5 C2Br9 + 18 Cl2 = 9 Cl4Br5 + 10 C
Cr2O3 + Ca(OH)2 = Ca3Cr2O6 + H2O =>
Cr2O3 + 3 Ca(OH)2 = Ca3Cr2O6 + 3 H2O
KCl + NH3 = K(NH3) + Cl =>
KCl + NH3 = K(NH3) + Cl
NH4Cl(aq) + Na3PO4 = (NH4)3PO4(g) + NaCl =>
3 NH4Cl(aq) + Na3PO4 = (NH4)3PO4(g) + 3 NaCl
HCl + Ni2Cr2O7 = NiCl2 + CrCl3 + Cl2 + H2O =>
14 HCl + Ni2Cr2O7 = 2 NiCl2 + 2 CrCl3 + 2 Cl2 + 7 H2O
Al(NO3)3 + NH4OH = Al2O3 + N2 + H2O =>
2 Al(NO3)3 + 10 NH4OH = Al2O3 + 8 N2 + 25 H2O
C2H6O + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H4O7 + H2O =>
3 C2H6O + 7 K2Cr2O7 + 28 H2SO4 = 7 Cr2(SO4)3 + 7 K2SO4 + 3 C2H4O7 + 31 H2O
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
{-}(CH3)thyl{-}2{-}(C4H9)tanol = {-}(CH3)thyl{-}2{-}(C4H9)tene =>
{-}(CH3)thyl{-}2{-}(C4H9)tanol = {-}(CH3)thyl{-}2{-}(C4H9)tene
KMnO4 + H2SO4 + Na2SO3 = Na2SO4 + K2SO4 + MnO2 + H2O =>
2 KMnO4 + H2SO4 + 3 Na2SO3 = 3 Na2SO4 + K2SO4 + 2 MnO2 + H2O
(ZnSO4) + Na2S = ZnS + Na2SO4 =>
(ZnSO4) + Na2S = ZnS + Na2SO4
MnO2 + KClO3 + KOH = KMnO4 + KCl + H3O =>
9 MnO2 + 4 KClO3 + 9 KOH = 9 KMnO4 + 4 KCl + 3 H3O
KCl + HCl2 = KH + Cl =>
KCl + HCl2 = KH + 3 Cl
Pb(NO3)2 + Na2SO4 = Pb(SO4) + NaNO3 =>
Pb(NO3)2 + Na2SO4 = Pb(SO4) + 2 NaNO3
MgCO3 + C2H3O2 = CO2 + Mg(C2H3O2)2 + H2O =>
7 MgCO3 + 16 C2H3O2 = 11 CO2 + 7 Mg(C2H3O2)2 + 3 H2O
K2SiO3 + HCl = SiO2 + KCl + H2O =>
K2SiO3 + 2 HCl = SiO2 + 2 KCl + H2O
NaHCO3 + C4H6O6 = Na2C4H4O6 + H2O + CO2 =>
2 NaHCO3 + C4H6O6 = Na2C4H4O6 + 2 H2O + 2 CO2
COOHOCOCH3 + NaOH = COONaOH + CH3COONa + H2O =>
COOHOCOCH3 + 2 NaOH = COONaOH + CH3COONa + H2O
NaOH + CO(NH2)2 = NH3 + H2O + NaCNO =>
NaOH + CO(NH2)2 = NH3 + H2O + NaCNO
Cu(NO3)2 + H2O = HNO3 + Cu + O2 =>
2 Cu(NO3)2 + 2 H2O = 4 HNO3 + 2 Cu + O2
CH2CHCH2CH3 + KMnO4 + H2SO4 = CH3CH2COOH + MnSO4 + K2SO4 + H2O =>
15 CH2CHCH2CH3 + 16 KMnO4 + 24 H2SO4 = 20 CH3CH2COOH + 16 MnSO4 + 8 K2SO4 + 24 H2O
MgSO4 + CaCO3 + H2O = CaSO4 + Mg(OH)2 + CO2 =>
MgSO4 + CaCO3 + H2O = CaSO4 + Mg(OH)2 + CO2
As2O3 + KIO4 + KOH = K3AsO4 + KIO3 + OH =>
As2O3 + 5 KIO4 + 6 KOH = 2 K3AsO4 + 5 KIO3 + 6 OH
MgCO3 + NH4Cl = NH3 + MgCl2 + H2O + CO2 =>
MgCO3 + 2 NH4Cl = 2 NH3 + MgCl2 + H2O + CO2
C6H12(aq) + O2 = CO2 + H2O =>
C6H12(aq) + 9 O2 = 6 CO2 + 6 H2O
H2O + Ca + Mg = MgCa(OH)2 + H =>
2 H2O + Ca + Mg = MgCa(OH)2 + 2 H
C4H10S(l) + O2(g) = CO2(g) + H2(g) + SO2(g) =>
C4H10S(l) + 5 O2(g) = 4 CO2(g) + 5 H2(g) + SO2(g)
N2O5 + H2CO3 = N(HCO3)5 + H2O =>
N2O5 + 10 H2CO3 = 2 N(HCO3)5 + 5 H2O
Al + SO2 = AlO2 + S =>
Al + SO2 = AlO2 + S
Hg + H2SO4 = SO2 + H2O + HgSO4 =>
Hg + 2 H2SO4 = SO2 + 2 H2O + HgSO4
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
AgNO3(aq) + KI(aq) = AgI(s) + KNO3(aq) =>
AgNO3(aq) + KI(aq) = AgI(s) + KNO3(aq)
HOCl + Mn + H2O = Mn(OH)2 + HCl =>
HOCl + Mn + H2O = Mn(OH)2 + HCl
NH4F + LiOH = NH4OH + LiF =>
NH4F + LiOH = NH4OH + LiF
Cd + Cu{2+} = Cd{2+} + Cu =>
Cd + Cu{2+} = Cd{2+} + Cu
CuCl2 + MgO = MgCl2 + CuO =>
CuCl2 + MgO = MgCl2 + CuO
Al + H2O(steam) = Al(OH) + H2(g) =>
2 Al + 2 H2O(steam) = 2 Al(OH) + H2(g)
Na2S + Pb(NO)3 = Na2(NO)3 + SPb =>
Na2S + Pb(NO)3 = Na2(NO)3 + SPb
Na2SeO3 + Zn + HCl = H2Se + ZnCl2 + NaCl + H2O =>
Na2SeO3 + 3 Zn + 8 HCl = H2Se + 3 ZnCl2 + 2 NaCl + 3 H2O
SnO + C = SnCO =>
SnO + C = SnCO
As2S3 + NaClO3 + H2O = H3AsO4 + S + NaCl =>
3 As2S3 + 5 NaClO3 + 9 H2O = 6 H3AsO4 + 9 S + 5 NaCl
H2SO4 + K2OH = K2SO4 + H3O =>
H2SO4 + K2OH = K2SO4 + H3O
LiOH + Ca(NO3)2 = LiNO3 + Ca(OH)2 =>
2 LiOH + Ca(NO3)2 = 2 LiNO3 + Ca(OH)2
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