| Équations équilibrées la veille |
2 FeCl3 + 2 HI = 2 FeCl2 + I2 + 2 HCl
NaCl + C12H22O11 = CH + H2O + NaClO2 =>
3 NaCl + C12H22O11 = 12 CH + 5 H2O + 3 NaClO2
C3H8(l) + O2(g) = C2O(g) + H2O(g) =>
4 C3H8(l) + 11 O2(g) = 6 C2O(g) + 16 H2O(g)
K2CrO4 + KI + HCI = CrCI3 + H2O + I2 + KCI =>
2 K2CrO4 + 10 KI + 16 HCI = 2 CrCI3 + 8 H2O + 3 I2 + 14 KCI
F2 + PbI2 = PbF4 + I =>
2 F2 + PbI2 = PbF4 + 2 I
Mg(OH)2 + HBr = MgBr2 + H2O =>
Mg(OH)2 + 2 HBr = MgBr2 + 2 H2O
NaNO2 + H2SO4 = Na2SO4 + NO + NO2 + H2O =>
2 NaNO2 + H2SO4 = Na2SO4 + NO + NO2 + H2O
NaHCO4 + CH3COOH = CH3COONa + H2O + CO2 =>
4 NaHCO4 + 5 CH3COOH = 4 CH3COONa + 6 H2O + 6 CO2
K2Cr2O7 + Pb(CH3COO)2 + H2O = PbCrO4 + CH3COOK + CH3COOH =>
K2Cr2O7 + 2 Pb(CH3COO)2 + H2O = 2 PbCrO4 + 2 CH3COOK + 2 CH3COOH
HSO3{-} = H + SO3{-}2 =>
HSO3{-} = H + SO3{-}2
CrCl3 + C2H4(NH2)2 = Cr(C2H4(NH2)2)3Cl3 =>
CrCl3 + 3 C2H4(NH2)2 = Cr(C2H4(NH2)2)3Cl3
Al + HIO3 = Al(IO3)2 + H2 =>
Al + 2 HIO3 = Al(IO3)2 + H2
C7H10NCl + AgNO3 = AgCl + HNO3 + C7H9N =>
C7H10NCl + AgNO3 = AgCl + HNO3 + C7H9N
(NH4)3PO4 + Ni(ClO3)2 = Ni(NH4)3 + PO4(ClO3)2 =>
(NH4)3PO4 + Ni(ClO3)2 = Ni(NH4)3 + PO4(ClO3)2
CuSO4 + Na2CO3 = Na2SO4 + Cu2(CO3)2 =>
2 CuSO4 + 2 Na2CO3 = 2 Na2SO4 + Cu2(CO3)2
NaMnO4 + Na2S + HCl = MnCl2 + NaCl + H2O + S =>
2 NaMnO4 + 5 Na2S + 16 HCl = 2 MnCl2 + 12 NaCl + 8 H2O + 5 S
ZnSO4 + HOH = H2(SO4) + Zn(OH)2 =>
ZnSO4 + 2 HOH = H2(SO4) + Zn(OH)2
Si + O2 = Si4O2 =>
4 Si + O2 = Si4O2
SO3 + BaOH2 = H2O + BaSO3 =>
SO3 + BaOH2 = H2O + BaSO3
Cr(NO3)3 + CrSO4 = Cr(SO4)3 + Cr(NO3)2 =>
4 Cr(NO3)3 + 3 CrSO4 = Cr(SO4)3 + 6 Cr(NO3)2
Cl2 + PCl2 = PCl5 =>
3 Cl2 + 2 PCl2 = 2 PCl5
Na2O + HF = NaF + H2O =>
Na2O + 2 HF = 2 NaF + H2O
CuSO4 + KCl + Na2SO3 + H2O = CuCl + K2SO4 + Na2SO4 + HCl =>
2 CuSO4 + 4 KCl + Na2SO3 + H2O = 2 CuCl + 2 K2SO4 + Na2SO4 + 2 HCl
NaClO3 + KCl = KClO3 + NaCl =>
NaClO3 + KCl = KClO3 + NaCl
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
CO = C + CO2 =>
2 CO = C + CO2
CuF2 + Cl2 = ClF + Cu =>
CuF2 + Cl2 = 2 ClF + Cu
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2Cr2O7 + SO2 + HCl = CrCl3 + KCl + H2SO4 + H2O =>
K2Cr2O7 + 3 SO2 + 8 HCl = 2 CrCl3 + 2 KCl + 3 H2SO4 + H2O
Pb(C2H3O2)2(aq) + NaNO3(aq) = Pb(NO3)2(aq) + NaC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 NaNO3(aq) = Pb(NO3)2(aq) + 2 NaC2H3O2(aq)
MgSO4 + BaCl2 = Mg(Cl)2 + BaSO4 =>
MgSO4 + BaCl2 = Mg(Cl)2 + BaSO4
AgNO3(aq) + Cu(s) = Ag(s) + Cu(NO3)2(aq) =>
2 AgNO3(aq) + Cu(s) = 2 Ag(s) + Cu(NO3)2(aq)
CuCl2 + H2O + Al = H2 + AlCl3 + CuO =>
3 CuCl2 + 3 H2O + 2 Al = 3 H2 + 2 AlCl3 + 3 CuO
Mo2O5 + H2O = Mo(OH)5 =>
Mo2O5 + 5 H2O = 2 Mo(OH)5
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C30H42 + H2O2 = CO2 + H2O =>
C30H42 + 81 H2O2 = 30 CO2 + 102 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Be + HNO3 = Be(NO3)2 + NO + H2O =>
3 Be + 8 HNO3 = 3 Be(NO3)2 + 2 NO + 4 H2O
RbCl + I2 = RbI2 + Cl2 =>
2 RbCl + 2 I2 = 2 RbI2 + Cl2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu + HBr = CuBr2 + H2 =>
Cu + 2 HBr = CuBr2 + H2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2S3 + H{+} = Fe{3+} + H2S =>
Fe2S3 + 6 H{+} = 2 Fe{3+} + 3 H2S
Al2O3 + CuO = Al2O4 + Cu =>
Al2O3 + CuO = Al2O4 + Cu
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Na2S(aq) + Mn(NO3)2(aq) = NaNO3(aq) + MnS(s) =>
Na2S(aq) + Mn(NO3)2(aq) = 2 NaNO3(aq) + MnS(s)
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