| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu2 + 4 HCl + O2 = 4 CuCl + 2 H2O
Au + NaCN + H2O + O2 = [Au(CN)2] + NaOH =>
2 Au + 4 NaCN + 2 H2O + O2 = 2[Au(CN)2] + 4 NaOH
SO2 + H = SO2H =>
SO2 + H = SO2H
H2C4H4O6 + Ca(HCO3)2 = Ca2C4H4O6 + H2O + CO2 =>
6 H2C4H4O6 + 10 Ca(HCO3)2 = 5 Ca2C4H4O6 + 18 H2O + 24 CO2
Fr + H2O = FrOH + H2 =>
2 Fr + 2 H2O = 2 FrOH + H2
Zn + H2SO4 + H2O = ZnSO4(H2O)7 + H2 =>
Zn + H2SO4 + 7 H2O = ZnSO4(H2O)7 + H2
H2OCl3 + Mg = MgCl2 + H2O =>
2 H2OCl3 + 3 Mg = 3 MgCl2 + 2 H2O
KBr + HCl = Br + H + KCl =>
KBr + HCl = Br + H + KCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al2O3 + Na2CO3 = NaAlO2 + CO2 =>
Al2O3 + Na2CO3 = 2 NaAlO2 + CO2
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Rb + H2SO3 = Rb2SO3 + H2 =>
2 Rb + H2SO3 = Rb2SO3 + H2
Li2SO4 + MgCl2 = LiCl + MgSO4 =>
Li2SO4 + MgCl2 = 2 LiCl + MgSO4
FeCl3 + Na2S = Fe2S3 + NaCl =>
2 FeCl3 + 3 Na2S = Fe2S3 + 6 NaCl
Xe(g) + F2(g) = XeF6(s) =>
Xe(g) + 3 F2(g) = XeF6(s)
Fe2O3 + SO3 = Fe2(SO4)3 =>
Fe2O3 + 3 SO3 = Fe2(SO4)3
NaNO3 + HCl + NaI = NaCl + NO2 + H2O + I2 =>
2 NaNO3 + 4 HCl + 2 NaI = 4 NaCl + 2 NO2 + 2 H2O + I2
ZnS(s) + O2 = ZnO(s) + SO2 =>
2 ZnS(s) + 3 O2 = 2 ZnO(s) + 2 SO2
Li + CmF3 = LiF + Cm =>
3 Li + CmF3 = 3 LiF + Cm
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
NaHCO3 + HCl = H2O + Na + Cl + CO2 =>
NaHCO3 + HCl = H2O + Na + Cl + CO2
Ni(NO3)2 + Fe = Ni + Fe(NO3)2 =>
Ni(NO3)2 + Fe = Ni + Fe(NO3)2
Fe(s) + Ni(NO3)2(aq) = Fe(NO3)3(aq) + Ni(s) =>
2 Fe(s) + 3 Ni(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Ni(s)
C6H10O5 = C2H5OH + CO + H2 =>
C6H10O5 = C2H5OH + 4 CO + 2 H2
C3H7OH(l) + O2 = CO2(g) + H2O =>
2 C3H7OH(l) + 9 O2 = 6 CO2(g) + 8 H2O
CaOHNO3 + HNO3 = H2O + Ca(NO3)2 =>
CaOHNO3 + HNO3 = H2O + Ca(NO3)2
C6H8O7 + HCl = C6H7O6Cl + H2O =>
C6H8O7 + HCl = C6H7O6Cl + H2O
K2Cr2O7(aq) + SnCl2(aq) + HCl(aq) = KCl(aq) + CrCl3(aq) + SnCl4(aq) + H2O(l) =>
K2Cr2O7(aq) + 3 SnCl2(aq) + 14 HCl(aq) = 2 KCl(aq) + 2 CrCl3(aq) + 3 SnCl4(aq) + 7 H2O(l)
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
H3AsO2 + Zn2 + HCl = AsH3 + ZnCl2 + H2O =>
H3AsO2 + Zn2 + 4 HCl = AsH3 + 2 ZnCl2 + 2 H2O
Sr(NO3)2 + K2(CrO4) = K(NO3) + Sr(CrO4) =>
Sr(NO3)2 + K2(CrO4) = 2 K(NO3) + Sr(CrO4)
Sn2H2O = Sn2 + H2O =>
Sn2H2O = Sn2 + H2O
C17H35CO2K + MgSO4 = Mg(C17H35CO2)2 + K2SO4 =>
2 C17H35CO2K + MgSO4 = Mg(C17H35CO2)2 + K2SO4
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
C3H7NO3 + O2 = CO + H2O + CH4N2O =>
4 C3H7NO3 + 5 O2 = 10 CO + 10 H2O + 2 CH4N2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KNO3(s) + C + S(s) = N2 + CO3 + K2S =>
2 KNO3(s) + 2 C + S(s) = N2 + 2 CO3 + K2S
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
AlCl3 + Cu + H2O = CuCl2*2H2O + Al =>
2 AlCl3 + 3 Cu + 6 H2O = 3 CuCl2*2H2O + 2 Al
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
N2O + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
5 N2O + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 10 HNO3 + 4 K2SO4 + 7 H2O
CaCO3 + Al2O3 + MnO2 = CaAl10Mn2O19 + CO2 + O2 =>
2 CaCO3 + 10 Al2O3 + 4 MnO2 = 2 CaAl10Mn2O19 + 2 CO2 + O2
Na2SO3(aq) + HBr(aq) = NaBr(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HBr(aq) = 2 NaBr(aq) + H2O(l) + SO2(g)
Ni(NO3)2 + Fe = Ni + Fe(NO3)2 =>
Ni(NO3)2 + Fe = Ni + Fe(NO3)2
AlBr3(aq) + Cl2(aq) = AlCl3(aq) + Br2(l) =>
2 AlBr3(aq) + 3 Cl2(aq) = 2 AlCl3(aq) + 3 Br2(l)
Fe(s) + Ni(NO3)2(aq) = Fe(NO3)3(aq) + Ni(s) =>
2 Fe(s) + 3 Ni(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Ni(s)
B2O3(s) + H2O(l) = B(OH)3 =>
B2O3(s) + 3 H2O(l) = 2 B(OH)3
KI + K2CrO4 + H2O = Cr(OH)3 + KIO3 + KOH =>
KI + 2 K2CrO4 + 5 H2O = 2 Cr(OH)3 + KIO3 + 4 KOH
Au + CN{-} + O2 + H{+} = Au(CN)2{-} + H2O2 =>
2 Au + 4 CN{-} + O2 + 2 H{+} = 2 Au(CN)2{-} + H2O2
AlBr3(aq) + Cl2(aq) = AlCl3(aq) + Br2(l) =>
2 AlBr3(aq) + 3 Cl2(aq) = 2 AlCl3(aq) + 3 Br2(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/12/25
Équations équilibrées sur02/11/24
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