| Équations équilibrées la veille |
5 NaHSO3 + 2 KIO3 = I2 + K2SO4 + Na2SO4 + 3 NaHSO4 + H2O
HgSO4 + FeCl3 = HgCl2 + Fe2(SO4)3 =>
3 HgSO4 + 2 FeCl3 = 3 HgCl2 + Fe2(SO4)3
FeCl3 + K3[Fe(Cn)6] = Fe[Fe(Cn)6] + KCl =>
FeCl3 + K3[Fe(Cn)6] = Fe[Fe(Cn)6] + 3 KCl
K2Cr2O7 + KCl + H2SO4 = CrO2Cl2 + K2SO4 + H2O =>
K2Cr2O7 + 4 KCl + 3 H2SO4 = 2 CrO2Cl2 + 3 K2SO4 + 3 H2O
I + O2 = I2O =>
4 I + O2 = 2 I2O
Fe + ZnSO4 = Fe2(SO4)3 + Zn =>
2 Fe + 3 ZnSO4 = Fe2(SO4)3 + 3 Zn
Mg(HCO3)2 = MgCO3 + H2O + CO2 =>
Mg(HCO3)2 = MgCO3 + H2O + CO2
Ca + NH3 = CaH2 + N =>
3 Ca + 2 NH3 = 3 CaH2 + 2 N
Ca + Sn(SO4)2 = Sn + Ca(SO4) =>
2 Ca + Sn(SO4)2 = Sn + 2 Ca(SO4)
Ag2SO3 + HNo3 = AgNo3 + SO2 + H2O =>
Ag2SO3 + 2 HNo3 = 2 AgNo3 + SO2 + H2O
Br2 + Mg(OH)2 = MgBr2 + Mg(BrO3)2 + H2O =>
6 Br2 + 6 Mg(OH)2 = 5 MgBr2 + Mg(BrO3)2 + 6 H2O
KI3 + NaOH = NaIO + NaI + KI + H2O =>
KI3 + 2 NaOH = NaIO + NaI + KI + H2O
CH3OONa + H2O = CH3OOH + NaOH =>
CH3OONa + H2O = CH3OOH + NaOH
Br2 + Mg(OH)2 = MgBr2 + Mg(BrO3)2 + H2O =>
6 Br2 + 6 Mg(OH)2 = 5 MgBr2 + Mg(BrO3)2 + 6 H2O
FeCl3 + KNO2 = Fe(NO2)3 + KCl =>
FeCl3 + 3 KNO2 = Fe(NO2)3 + 3 KCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Sb4O6(s) + C(s) = Sb(l) + CO(g) =>
Sb4O6(s) + 6 C(s) = 4 Sb(l) + 6 CO(g)
Cu(NO3)2 + S = CuS + NO3 =>
Cu(NO3)2 + S = CuS + 2 NO3
As2O3 + MnO4{-} + H{+} + H2O = H3AsO4 + Mn{2} =>
5 As2O3 + 4 MnO4{-} + 12 H{+} + 9 H2O = 10 H3AsO4 + 4 Mn{2}
K2CrO4 + K2SO3 + H2O = Cr(OH)3 + KOH + H2SO4 =>
2 K2CrO4 + 3 K2SO3 + 11 H2O = 2 Cr(OH)3 + 10 KOH + 3 H2SO4
C13H10O + NaBH4 + C2H6O = C13H12O + Na{+} + B(C2H5O)4{-} =>
4 C13H10O + NaBH4 + 4 C2H6O = 4 C13H12O + Na{+} + B(C2H5O)4{-}
Br2 + Mg(OH)2 = MgBr2 + Mg(BrO3)2 + H2O =>
6 Br2 + 6 Mg(OH)2 = 5 MgBr2 + Mg(BrO3)2 + 6 H2O
C6H8O7 + Na2CO3 = Na3C6H5O7 + CO2 + H2O =>
2 C6H8O7 + 3 Na2CO3 = 2 Na3C6H5O7 + 3 CO2 + 3 H2O
CaCO3 + HNO3 + H2O = Ca(NO3)2*4H2O + CO2 =>
CaCO3 + 2 HNO3 + 3 H2O = Ca(NO3)2*4H2O + CO2
I + O2 = I2O7 =>
4 I + 7 O2 = 2 I2O7
FeCl3 + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + KCl =>
3 FeCl3 + 3 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + 9 KCl
Br2 + Mg(OH)2 = MgBr2 + Mg(BrO3)2 + H2O =>
6 Br2 + 6 Mg(OH)2 = 5 MgBr2 + Mg(BrO3)2 + 6 H2O
Ca + Sn(SO4)2 = CaSO4 + Sn =>
2 Ca + Sn(SO4)2 = 2 CaSO4 + Sn
PbNO32ZnCl2 = PbCl2ZnNO32 =>
PbNO32ZnCl2 = PbCl2ZnNO32
Ca + NH3 = CaH2 + N2 =>
3 Ca + 2 NH3 = 3 CaH2 + N2
Li2CO3 + Ca(OH)2 = LiOH + CaCO3 =>
Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3
N + Mg + H2O = Mg(OH)2 + NH3 =>
2 N + 3 Mg + 6 H2O = 3 Mg(OH)2 + 2 NH3
CuBr2 + ZnSO4 = ZnBr2 + CuSO4 =>
CuBr2 + ZnSO4 = ZnBr2 + CuSO4
Li2CO3 + Ca(OH)2 = LiOH + CaCO3 =>
Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3
SO3 + H = SO2 + H2O =>
SO3 + 2 H = SO2 + H2O
C14H2602 + O2 = CO2 + H2O =>
2 C14H2602 + 1329 O2 = 28 CO2 + 2602 H2O
CH3CH2OH2 + O2 = CO2 + H2O2 =>
2 CH3CH2OH2 + 10 O2 = 4 CO2 + 7 H2O2
Br2 + Mg(OH)2 = MgBr2 + Mg(BrO3)2 + H2O =>
6 Br2 + 6 Mg(OH)2 = 5 MgBr2 + Mg(BrO3)2 + 6 H2O
(NH4)2 + Cr2O7 = CrO3 + N2 + H2O =>
(NH4)2 + 4 Cr2O7 = 8 CrO3 + N2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
I + O2 = IO =>
2 I + O2 = 2 IO
NaOH + NiSO4 + (NH4)2S2O8 = Ni2O3 + Na2SO4 + (NH4)2SO4 + H2O =>
6 NaOH + 2 NiSO4 + (NH4)2S2O8 = Ni2O3 + 3 Na2SO4 + (NH4)2SO4 + 3 H2O
Li2CO3 + Ca(OH)2 = LiOH + CaCO3 =>
Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3
C6H12 + Cl2 = C6H12Cl6 =>
C6H12 + 3 Cl2 = C6H12Cl6
Li2CO3 + Ca(OH)2 = LiOH + CaCO3 =>
Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
I + O2 = IO3 =>
2 I + 3 O2 = 2 IO3
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
Mg + H2O(g) = Mg(OH)2 + H2(g) =>
Mg + 2 H2O(g) = Mg(OH)2 + H2(g)
HPO4 + BaCl2 = Ba(PO4)2 + HCl =>
2 HPO4 + BaCl2 = Ba(PO4)2 + 2 HCl
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