| Équations équilibrées la veille |
2 MnO2 + 2 NaOH + 2 H2O = 2 NaMnO4 + 3 H2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
MgO + Br2 = OBr2 + Mg3 =>
3 MgO + 3 Br2 = 3 OBr2 + Mg3
Kl(aq) + BaS(aq) = KlS(aq) + Ba(aq) =>
Kl(aq) + BaS(aq) = KlS(aq) + Ba(aq)
MnO4{-} + Cl{-} + H{+} = Mn{+2)+Cl2+H2O =>
2 MnO4{-} + 10 Cl{-} + 16 H{+} = 2 Mn{+2)+5Cl2+8H2O
KMnO4 + H2SO4 = MnSO4 + O2 + K2SO4 + H2O2 =>
2 KMnO4 + 3 H2SO4 = 2 MnSO4 + O2 + K2SO4 + 3 H2O2
H3PO4 + CHCl3 + KI = PO4 + KCl + HI + CH4 =>
2 H3PO4 + CHCl3 + 3 KI = 2 PO4 + 3 KCl + 3 HI + CH4
As2O3 + SnCl2 + HCl = SnCl4 + As + H2O =>
As2O3 + 3 SnCl2 + 6 HCl = 3 SnCl4 + 2 As + 3 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2S + K[Sb(OH)6] = Sb2S5 + K2S + H2O =>
6 H2S + 2 K[Sb(OH)6] = Sb2S5 + K2S + 12 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Hg + OH = Hg2OH =>
2 Hg + OH = Hg2OH
Cl2(g) + Fe(I)3(aq) = ClFe(aq) + I =>
Cl2(g) + 2 Fe(I)3(aq) = 2 ClFe(aq) + 6 I
Fe2S3 + HCN = Fe(CN)3 + H2S =>
Fe2S3 + 6 HCN = 2 Fe(CN)3 + 3 H2S
Na + KOH = KNaOH =>
Na + KOH = KNaOH
NaClO2 + C6H8O7 = Na3C6H5O7 + ClO2{-} + H{+} =>
3 NaClO2 + C6H8O7 = Na3C6H5O7 + 3 ClO2{-} + 3 H{+}
KMnO4 + KBr + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O2 =>
2 KMnO4 + 2 KBr + 4 H2SO4 = Br2 + 2 MnSO4 + 2 K2SO4 + 4 H2O2
Ba(OH)2 + HF = BaF2 + H2O =>
Ba(OH)2 + 2 HF = BaF2 + 2 H2O
C6H8O7 + NaOH = H2O + Na3C6H5O7 =>
C6H8O7 + 3 NaOH = 3 H2O + Na3C6H5O7
Ca + H(OH) = Ca(OH) + H2 =>
2 Ca + 2 H(OH) = 2 Ca(OH) + H2
Ag(NH3)2OH + CH2OH(CHOH)4CHO = CH2OH(CHOH)4COONH4 + Ag + NH3 + H2O =>
2 Ag(NH3)2OH + CH2OH(CHOH)4CHO = CH2OH(CHOH)4COONH4 + 2 Ag + 3 NH3 + H2O
K2S + Al2(SO4)3 = Al2S3 + K2SO3 =>
4 K2S + Al2(SO4)3 = Al2S3 + 4 K2SO3
BaCl2 + MgSO4 = BaSO4 + MgCl2 =>
BaCl2 + MgSO4 = BaSO4 + MgCl2
C3H8 + H2O = H2 + CO2 =>
C3H8 + 6 H2O = 10 H2 + 3 CO2
Na2SO4 + CrCl3 = NaCl + Cr2(SO4)3 =>
3 Na2SO4 + 2 CrCl3 = 6 NaCl + Cr2(SO4)3
K2CrO4 + HCl = KCl + CrCl3 + Cl2 + H2O =>
2 K2CrO4 + 16 HCl = 4 KCl + 2 CrCl3 + 3 Cl2 + 8 H2O
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
C7H6O3 + CH3O = C9H10O3 + H2O =>
5 C7H6O3 + 28 CH3O = 7 C9H10O3 + 22 H2O
K3PO4 + Ca(NO3)2 = (K3)2(NO3)6 + Ca3(PO4)2 =>
2 K3PO4 + 3 Ca(NO3)2 = (K3)2(NO3)6 + Ca3(PO4)2
Ba(NO3)2 + H2SO3 = BaSO3 + H2(NO3)2 =>
Ba(NO3)2 + H2SO3 = BaSO3 + H2(NO3)2
SrCO3(s) + H = Sr + CO2 + H2O =>
SrCO3(s) + 2 H = Sr + CO2 + H2O
Mg(OH) + HSO4 = MgSO4 + H2O =>
Mg(OH) + HSO4 = MgSO4 + H2O
Cu + H2SO4 + H{+} = Cu{+2} + SO2 + H2O =>
Cu + H2SO4 + 2 H{+} = Cu{+2} + SO2 + 2 H2O
Fe2(SO4)3 + HI = Fe(SO4) + H2SO4 + I =>
Fe2(SO4)3 + 2 HI = 2 Fe(SO4) + H2SO4 + 2 I
CO2 + AI(OH)3 = AI(HCO3)3 =>
3 CO2 + AI(OH)3 = AI(HCO3)3
C3H8 + HNO3 = CO2 + H2O + C2H5NO2 =>
7 C3H8 + 10 HNO3 = CO2 + 8 H2O + 10 C2H5NO2
Pb(C2H5)4 + I2 = Pb(C2H5)3I + C2H5I =>
Pb(C2H5)4 + I2 = Pb(C2H5)3I + C2H5I
HNO3 + CaCO3 = CO3(NO3) + Ca + H2 =>
2 HNO3 + 2 CaCO3 = 2 CO3(NO3) + 2 Ca + H2
Ag2SiO3 = Ag + SiO3 =>
Ag2SiO3 = 2 Ag + SiO3
Au + CN{-} + O2 + H2O = [Au(CN)2]{-} + OH{-} =>
4 Au + 8 CN{-} + O2 + 2 H2O = 4[Au(CN)2]{-} + 4 OH{-}
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
SnCl2 + HNO2 + HCl = SnCl4 + NN + H2O =>
3 SnCl2 + 2 HNO2 + 6 HCl = 3 SnCl4 + NN + 4 H2O
CO + Fe = [Fe(CO)5] =>
5 CO + Fe = [Fe(CO)5]
C3H8O3 + MnO4{-} + OH{-} = MnO4{-2} + C3H6O3 + H2O =>
C3H8O3 + 2 MnO4{-} + 2 OH{-} = 2 MnO4{-2} + C3H6O3 + 2 H2O
LiI + F = LiF + I =>
LiI + F = LiF + I
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Cu(NO3)2 + S2O8 = Cu(O8) + S(NO3) =>
Cu(NO3)2 + S2O8 = Cu(O8) + 2 S(NO3)
C2H6 + Cl = C2H6Cl =>
C2H6 + Cl = C2H6Cl
K(OH) + Mg(C2H3O2)2 = KC2H3O2 + Mg(OH)2 =>
2 K(OH) + Mg(C2H3O2)2 = 2 KC2H3O2 + Mg(OH)2
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