| Équations équilibrées la veille |
2 HCrO2 + 4 KOH + 3 H2O2 = 2 K2CrO4 + 6 H2O
Al2O3 + KOH + H2O = K[Al(OH)4] =>
Al2O3 + 2 KOH + 3 H2O = 2 K[Al(OH)4]
I2 + O2 = I4O7 =>
4 I2 + 7 O2 = 2 I4O7
IO{-}3(aq) + HSO{-}3(aq) = I{-}(aq) + SO2{-}4(aq) + H2O =>
3 IO{-}3(aq) + 2 HSO{-}3(aq) = 3 I{-}(aq) + 2 SO2{-}4(aq) + H2O
NH4OH + Hg2(NO3)2 = NH4NO3 + H2O + Hg =>
10 NH4OH + 4 Hg2(NO3)2 = 9 NH4NO3 + 7 H2O + 8 Hg
H2 + Cu(NO3)2 = Cu2 + H(NO3)2 =>
H2 + 2 Cu(NO3)2 = Cu2 + 2 H(NO3)2
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
C8H18 + O2 = CO2 + H2 =>
C8H18 + 8 O2 = 8 CO2 + 9 H2
Ca(NO3)2 + NaPO4 = Ca(PO4)2 + NaNO3 =>
Ca(NO3)2 + 2 NaPO4 = Ca(PO4)2 + 2 NaNO3
Ca2SO3 = Ca2OSO2 =>
Ca2SO3 = Ca2OSO2
CH3OH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
5 CH3OH + 6 KMnO4 + 9 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 CO2 + 19 H2O
Pb(NO3)2 = PbO + (N)2O2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 2(N)2O2 + 3 O2
CO2 + Mg = MgO + C =>
CO2 + 2 Mg = 2 MgO + C
CuH2C2O4 = CuC2O4H2 =>
CuH2C2O4 = CuC2O4H2
MnSO4Na2Co3 = MnCo3Na2SO4 =>
MnSO4Na2Co3 = MnCo3Na2SO4
C12H22O11 + O2(g) = CO2(g) + H2O(l) =>
C12H22O11 + 12 O2(g) = 12 CO2(g) + 11 H2O(l)
I2 + BaF2 = IF + Ba =>
I2 + BaF2 = 2 IF + Ba
SO2 + NO2 + H2O = H2SO4NO =>
SO2 + NO2 + H2O = H2SO4NO
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
MgSO4BaCl2 = BaSO4MgCl2 =>
MgSO4BaCl2 = BaSO4MgCl2
Sn + Cu(NO3)2 = Sn(NO3) + Cu =>
2 Sn + Cu(NO3)2 = 2 Sn(NO3) + Cu
C2H6 + F2 = C2F6 + HF =>
C2H6 + 6 F2 = C2F6 + 6 HF
Ca(SO4) = CaSO4 =>
Ca(SO4) = CaSO4
KMnO4 + CH4 = MnO2 + CO2 + H2O + K =>
2 KMnO4 + CH4 = 2 MnO2 + CO2 + 2 H2O + 2 K
NO2 + H2O = N2H4 + O =>
2 NO2 + 2 H2O = N2H4 + 6 O
NOH + H2 = N2 + H2O =>
2 NOH + H2 = N2 + 2 H2O
Fe(OH)3 + HI = FeI3 + HOH =>
Fe(OH)3 + 3 HI = FeI3 + 3 HOH
CuBr + HNO3 = Cu(NO3)2 + NO2 + HBr + H2O =>
CuBr + 3 HNO3 = Cu(NO3)2 + NO2 + HBr + H2O
C2H4O + Ag(NH3)2OH = (NH4)2CO3 + NH3 + Ag + H2O =>
C2H4O + 10 Ag(NH3)2OH = 2(NH4)2CO3 + 16 NH3 + 10 Ag + 5 H2O
Pb + S2 = PbS =>
2 Pb + S2 = 2 PbS
NaF + CaBr = NaBr + CaF =>
NaF + CaBr = NaBr + CaF
NH4ClO4 + Cu(OH)2 + NH4OH = [Cu(NH3)4](ClO4)2 + H2O =>
2 NH4ClO4 + Cu(OH)2 + 2 NH4OH = [Cu(NH3)4](ClO4)2 + 4 H2O
N2H4 + NO2 = N2 + H2O =>
2 N2H4 + 2 NO2 = 3 N2 + 4 H2O
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
Ba(OH)2(aq) + Na2SO4(aq) = NaOH(aq) + BaSO4(s) =>
Ba(OH)2(aq) + Na2SO4(aq) = 2 NaOH(aq) + BaSO4(s)
Ba + Na = BaNa2 =>
Ba + 2 Na = BaNa2
Al(OH)3 + Al2(SO4)3 = (Al(OH)2)2SO4 =>
4 Al(OH)3 + Al2(SO4)3 = 3(Al(OH)2)2SO4
Cr(OH)2 = Cr + OH =>
Cr(OH)2 = Cr + 2 OH
Ra + Br2 = RaBr2 =>
Ra + Br2 = RaBr2
C4H8 + K2Cr2O7 + H2SO4 = C2H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H8 + 4 K2Cr2O7 + 16 H2SO4 = 6 C2H4O2 + 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
MgNo3NaCo3 = MgCo3NaNo3 =>
MgNo3NaCo3 = MgCo3NaNo3
CuBr2 + H2O = CuO + HBr =>
CuBr2 + H2O = CuO + 2 HBr
FeCr2O4 + NO3{-} + CO3{-2} = CrO4{-2} + Fe2O3 + NO2{-} + CO2 =>
2 FeCr2O4 + 7 NO3{-} + 4 CO3{-2} = 4 CrO4{-2} + Fe2O3 + 7 NO2{-} + 4 CO2
Al + KOH + H2O = K(Al(OH)4) + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K(Al(OH)4) + 3 H2
Al(s) + HCl(aq) = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(s) + 3 H2(g)
Li2SiO3H2O = LiHSiO3LiOH =>
Li2SiO3H2O = LiHSiO3LiOH
NH3 + Ni(NO3)2 = NO3 + Ni(NH3)6 =>
6 NH3 + Ni(NO3)2 = 2 NO3 + Ni(NH3)6
Ca + Li2CO3 = CaCO3 + Li =>
Ca + Li2CO3 = CaCO3 + 2 Li
C2H6O + KMnO4 = C2H4O2 + H2O + KOH + MnO =>
5 C2H6O + 4 KMnO4 = 5 C2H4O2 + 3 H2O + 4 KOH + 4 MnO
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