| Équations équilibrées la veille |
2 C6H8O7 + 2 Al = 2 C6H5AlO7 + 3 H2
K2CrO4 + SrCl2 = SrCrO4 + KCl =>
K2CrO4 + SrCl2 = SrCrO4 + 2 KCl
C6H6 + H2SO4 = C6H4(SO3H)2 + H2O =>
C6H6 + 2 H2SO4 = C6H4(SO3H)2 + 2 H2O
K2S = K2 + S =>
K2S = K2 + S
SO2 + NO3 + H2O = H2SO4 + HNO3 =>
SO2 + 2 NO3 + 2 H2O = H2SO4 + 2 HNO3
P2 + S = PS =>
P2 + 2 S = 2 PS
HNO2 + H2O = NO2{-} + H3O{+} =>
HNO2 + H2O = NO2{-} + H3O{+}
Fe(NO3)2 + O2 + H2O = Fe(NO3)2OH =>
4 Fe(NO3)2 + O2 + 2 H2O = 4 Fe(NO3)2OH
C7H8 + KMnO4 = KC7H5O2 + MnO2 + KOH + H2O =>
C7H8 + 2 KMnO4 = KC7H5O2 + 2 MnO2 + KOH + H2O
Ne + N2 = NeN =>
2 Ne + N2 = 2 NeN
Os + O2 = OsO4 =>
Os + 2 O2 = OsO4
ZnSO3 + HCl = ZnCl2 + H2SO3 =>
ZnSO3 + 2 HCl = ZnCl2 + H2SO3
CaO + H = Ca + H2O =>
CaO + 2 H = Ca + H2O
Na2CO3 + C2H4O2 = H2O + CO2 + Na =>
4 Na2CO3 + C2H4O2 = 2 H2O + 6 CO2 + 8 Na
Sn + HNO3 + HCl = H2SnCl6 + NO + H2O =>
3 Sn + 4 HNO3 + 18 HCl = 3 H2SnCl6 + 4 NO + 8 H2O
B4C + KBF4 + Fe = Fe2B + K + CF4 =>
B4C + KBF4 + 10 Fe = 5 Fe2B + K + CF4
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaNO3(aq)
P2O5 + Ca(OH)2 = CaHPO4 + H2O =>
P2O5 + 2 Ca(OH)2 = 2 CaHPO4 + H2O
MnO2 = Mn + O2 =>
MnO2 = Mn + O2
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
Cl2 + AuI = AuCl + I2 =>
Cl2 + 2 AuI = 2 AuCl + I2
MnO2 + KNO3 + KOH = K2MnO4 + KNO2 + H2O =>
MnO2 + KNO3 + 2 KOH = K2MnO4 + KNO2 + H2O
(CH3)3N + HCl = (CH3)3NCl + H2 =>
2(CH3)3N + 2 HCl = 2(CH3)3NCl + H2
Fe[CrO2] + K2CO3 + NaNO3 = CO2 + Fe2O3 + K2CrO4 + NaNO2 =>
2 Fe[CrO2] + 2 K2CO3 + 5 NaNO3 = 2 CO2 + Fe2O3 + 2 K2CrO4 + 5 NaNO2
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
CuO + CH4 = Cu + CO2 + H2O =>
4 CuO + CH4 = 4 Cu + CO2 + 2 H2O
(NH4)2S + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + NH3 + H2O =>
3(NH4)2S + 4 K2Cr2O7 + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 6 NH3 + 16 H2O
Mn + CO2 = MnO2 + C =>
Mn + CO2 = MnO2 + C
Fe(OH)2 + Al2O3 = Fe(AlO2)2 + H2O =>
Fe(OH)2 + Al2O3 = Fe(AlO2)2 + H2O
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)
C4H8O2 + NaHCO3 = C4H7O2Na + H2O + CO2 =>
C4H8O2 + NaHCO3 = C4H7O2Na + H2O + CO2
Cu(NO3)2 + KBr = Br2 + CuBr + KNO3 =>
2 Cu(NO3)2 + 4 KBr = Br2 + 2 CuBr + 4 KNO3
Zn(C2H3O2)2 + KI = ZnI + K(C2H3O2)2 =>
Zn(C2H3O2)2 + KI = ZnI + K(C2H3O2)2
Al + NaClO3 = Al2O3 + NaO + Cl =>
4 Al + 3 NaClO3 = 2 Al2O3 + 3 NaO + 3 Cl
MnCl2 + FeCl3 + NaOH = MnFe2O4 + NaCl + H2O =>
MnCl2 + 2 FeCl3 + 8 NaOH = MnFe2O4 + 8 NaCl + 4 H2O
ZnBr2 + Ni = NiBr2 + Zn =>
ZnBr2 + Ni = NiBr2 + Zn
MgO + N2 = Mg3N2 + O =>
3 MgO + N2 = Mg3N2 + 3 O
SO3{2-} + H2O = SO4{2-} + e + H3O{+} =>
SO3{2-} + 3 H2O = SO4{2-} + 2e + 2 H3O{+}
Ca(OH)2 + H2 = CaH2 + H2O =>
Ca(OH)2 + 2 H2 = CaH2 + 2 H2O
Ca3(PO4)2(s) + C(s) = CaO(s) + CO(g) + P(s) =>
Ca3(PO4)2(s) + 5 C(s) = 3 CaO(s) + 5 CO(g) + 2 P(s)
NaCl + H2O2 = NaOH + Cl2 =>
2 NaCl + H2O2 = 2 NaOH + Cl2
PCl3 = P + Cl2 =>
2 PCl3 = 2 P + 3 Cl2
CH3CH2OH(l) + O2(g) = CO2 + H2O =>
CH3CH2OH(l) + 3 O2(g) = 2 CO2 + 3 H2O
NaBH4(s) + H2O(l) = NaBO2(aq) + H2(g) =>
NaBH4(s) + 2 H2O(l) = NaBO2(aq) + 4 H2(g)
Ca(CO3) = CaO + CO2 =>
Ca(CO3) = CaO + CO2
Pb(ClO3)2(aq) + NaI(aq) = PbI2(s) + NaClO3(aq) =>
Pb(ClO3)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaClO3(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Li3PO4 + Hg(CH3CO2)2 = Hg3(PO4)2 + LiCH3CO2 =>
2 Li3PO4 + 3 Hg(CH3CO2)2 = Hg3(PO4)2 + 6 LiCH3CO2
Cu(NO3)2(aq) + NH4OH(aq) = Cu(OH)2(aq) + NH4NO3(aq) =>
Cu(NO3)2(aq) + 2 NH4OH(aq) = Cu(OH)2(aq) + 2 NH4NO3(aq)
Pm + O2 = PmO =>
2 Pm + O2 = 2 PmO
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Équations équilibrées sur10/23/24
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