| Équations équilibrées la veille |
CuCl2 + 2 Pb = Cu + 2 PbCl
Ra + U = RaU =>
Ra + U = RaU
CaCo3 = (Co2) + Ca =>
2 CaCo3 = 3(Co2) + 2 Ca
KCr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 KCr2O7 + 14 FeSO4 + 14 H2SO4 = 7 Fe2(SO4)3 + 2 Cr2(SO4)3 + K2SO4 + 14 H2O
CaCO3 + Al2O3 = Ca(AlO2)2 + CO2 =>
CaCO3 + Al2O3 = Ca(AlO2)2 + CO2
CuSO4(aq) + HCl(aq) = CuCl2(aq) + H2SO4(aq) =>
CuSO4(aq) + 2 HCl(aq) = CuCl2(aq) + H2SO4(aq)
Ba(NO3)2 + Cu(SO4) = BaSO4 + Cu(NO3)2 =>
Ba(NO3)2 + Cu(SO4) = BaSO4 + Cu(NO3)2
CaF2 + H2SO4(l) = CaSO4 + HF(g) =>
CaF2 + H2SO4(l) = CaSO4 + 2 HF(g)
Ba(OH)2 + HC8H4O4 = H2O + Ba + C8H4O4 =>
Ba(OH)2 + 2 HC8H4O4 = 2 H2O + Ba + 2 C8H4O4
Ca + HCl = CaHCl =>
Ca + HCl = CaHCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HCl + H2O2(aq) + KI = KI3(aq) + H2O(l) + KCl(aq) =>
2 HCl + H2O2(aq) + 3 KI = KI3(aq) + 2 H2O(l) + 2 KCl(aq)
Si2H6 + O2 = SiO2 + H2O =>
2 Si2H6 + 7 O2 = 4 SiO2 + 6 H2O
Na[Cr(OH)4] + PbO2 + NaOH = Na2CrO4 + Pb(OH)2 + H2O =>
2 Na[Cr(OH)4] + 3 PbO2 + 2 NaOH = 2 Na2CrO4 + 3 Pb(OH)2 + 2 H2O
Pb + H2SO4 = Pb(SO4) + H2 =>
Pb + H2SO4 = Pb(SO4) + H2
KSiO3 + HCl = KCl + SiO3H =>
KSiO3 + HCl = KCl + SiO3H
Zn + MnO2 + H2O = Zn(HO)2 + Mn2O3 =>
Zn + 2 MnO2 + H2O = Zn(HO)2 + Mn2O3
H{+} + MnO4{-}{+} = Mn{2+} + H2O + O3 =>
18 H{+} + 6 MnO4{-}{+} = 6 Mn{2+} + 9 H2O + 5 O3
Tb(NO3)3*5H2O = TbO + H2O + O2 + HNO3 =>
4 Tb(NO3)3*5H2O = 4 TbO + 14 H2O + O2 + 12 HNO3
Fe(iii) + O2 = Fe2O3 =>
4 Fe(iii) + 3 O2 = 2 Fe2O3
KMnO4 + NaCN + H2O = NaCNO + MnO2 + KOH =>
2 KMnO4 + 3 NaCN + H2O = 3 NaCNO + 2 MnO2 + 2 KOH
Cl2 + KBr = Br + ClK =>
Cl2 + 2 KBr = 2 Br + 2 ClK
K2Cr2O7 + HCl + Hg = HgCl + KCl + CrCl3 + H2O =>
K2Cr2O7 + 14 HCl + 6 Hg = 6 HgCl + 2 KCl + 2 CrCl3 + 7 H2O
BaS + Na2SiO4 = BaSiO4 + Na2S =>
BaS + Na2SiO4 = BaSiO4 + Na2S
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Pb(C2H3O2)2 + BaCl2 = Ba(C2H3O2)2 + PbCl2 =>
Pb(C2H3O2)2 + BaCl2 = Ba(C2H3O2)2 + PbCl2
(NH4)2MoO4 + KI + H2SO4 = I2 + KHSO4 + Mo5O14 + H2O + (NH4)2SO4 =>
5(NH4)2MoO4 + 2 KI + 7 H2SO4 = I2 + 2 KHSO4 + Mo5O14 + 6 H2O + 5(NH4)2SO4
Pb3N4 = Pb2N2 + N2 =>
2 Pb3N4 = 3 Pb2N2 + N2
CH3OH + Na = NaOH + C2H6 =>
2 CH3OH + 2 Na = 2 NaOH + C2H6
AlBr2 + F2 = FBr2 + Al2 =>
2 AlBr2 + F2 = 2 FBr2 + Al2
Te + ClO2 + H2O = H6TeO6 + Cl2 =>
4 Te + 6 ClO2 + 12 H2O = 4 H6TeO6 + 3 Cl2
Cr2O3 + CaO = CaCr2O4 =>
Cr2O3 + CaO = CaCr2O4
(NH4)2CrO4(aq) + Sn(C2H3O2)2(aq) = NH4C2H3O2(aq) + SnCrO4(s) =>
(NH4)2CrO4(aq) + Sn(C2H3O2)2(aq) = 2 NH4C2H3O2(aq) + SnCrO4(s)
H2CO3 + OH = H2O + CO3 =>
H2CO3 + 2 OH = 2 H2O + CO3
Ni(NO3)2 + Hg2 = Ni + Hg(NO3)2 =>
2 Ni(NO3)2 + Hg2 = 2 Ni + 2 Hg(NO3)2
Na2CrO7 + H{+} + I{-} = Cr{+3} + I2 + H2O + Na{+} =>
2 Na2CrO7 + 28 H{+} + 18 I{-} = 2 Cr{+3} + 9 I2 + 14 H2O + 4 Na{+}
TiI2 + BeF2 = TiF4 + BeI =>
TiI2 + 2 BeF2 = TiF4 + 2 BeI
FeBr2 + (NH4)2CO3 = NH4Br + FeCO3 =>
FeBr2 + (NH4)2CO3 = 2 NH4Br + FeCO3
PbSO4 + NH4NO3 = Pb(NO3)2 + (NH4)2SO4 =>
PbSO4 + 2 NH4NO3 = Pb(NO3)2 + (NH4)2SO4
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
NaF + Cu(NO3)2 = NaNO3 + CuF2 =>
2 NaF + Cu(NO3)2 = 2 NaNO3 + CuF2
Cs2SO3 = Cs + SO3 =>
Cs2SO3 = 2 Cs + SO3
H3(PO4) + (NH4)2MoO4 + HNO3 = (NH4)2PO40Mo12 + NH4NO3 + H2O =>
8 H3(PO4) + 96(NH4)2MoO4 + 178 HNO3 = 8(NH4)2PO40Mo12 + 177 NH4NO3 + 99 H2O
MnO2 + KClO3 + KKOH = K2MnO4 + KCl + H2O =>
2 MnO2 + KClO3 + 2 KKOH = 2 K2MnO4 + KCl + H2O
FeS2 + H2O + O2 = Fe2O3 + H2SO4 =>
4 FeS2 + 8 H2O + 15 O2 = 2 Fe2O3 + 8 H2SO4
KCO3 + HS = KS + HCO3 =>
KCO3 + HS = KS + HCO3
CO2 + (H2O) = C7H16 + O2 =>
7 CO2 + 8(H2O) = C7H16 + 11 O2
Cl2 + NiBr2 = Br2 + NiCl2 =>
Cl2 + NiBr2 = Br2 + NiCl2
BaCl2(aq) + CaNO3(aq) = Ba(NO3)2 + CaCl =>
BaCl2(aq) + 2 CaNO3(aq) = Ba(NO3)2 + 2 CaCl
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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Équations équilibrées sur01/30/25
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