| Équations équilibrées la veille | Équations équilibrées le lendemain |
Co2 + 8 SCN = 2 Co(SCN)4
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
CO2H(CH2)4CO2H + NH3 + H2 = H2N(CH2)6NH2 + H2O =>
CO2H(CH2)4CO2H + 2 NH3 + 4 H2 = H2N(CH2)6NH2 + 4 H2O
C6H8O7*H2O + Fe = (C6H5O7)3Fe + H2O + H2 =>
6 C6H8O7*H2O + 2 Fe = 2(C6H5O7)3Fe + 6 H2O + 9 H2
CH3CH2CH2CH2CH2CH3 + Br2 = CH3CH2CH2CH2 + HBr =>
4 CH3CH2CH2CH2CH2CH3 + Br2 = 6 CH3CH2CH2CH2 + 2 HBr
KClO3 + Pb(CH3COO)2 = KCH3COO + Pb(ClO3)2 =>
2 KClO3 + Pb(CH3COO)2 = 2 KCH3COO + Pb(ClO3)2
Ca(s) + FeCl3(aq) = CaCl2(aq) + Fe(s) =>
3 Ca(s) + 2 FeCl3(aq) = 3 CaCl2(aq) + 2 Fe(s)
H3O{+} + CrO7{2-} + {-} = Cr{3} + H2O =>
14 H3O{+} + CrO7{2-} + 9e = Cr{3} + 21 H2O
Rb2O + N2O3 = Rb(NO2) =>
Rb2O + N2O3 = 2 Rb(NO2)
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
KBr + Fe(OH)3 = FeBr3 + KOH =>
3 KBr + Fe(OH)3 = FeBr3 + 3 KOH
HI + Pb(OH)2 = PbI2 + H2O =>
2 HI + Pb(OH)2 = PbI2 + 2 H2O
NaI + NaMnO4 + H2SO4 = I2 + MnSO4 + Na2SO4 + H2O =>
10 NaI + 2 NaMnO4 + 8 H2SO4 = 5 I2 + 2 MnSO4 + 6 Na2SO4 + 8 H2O
KMnO4 + KOH + K2S2O5 = K2MnO4 + K2SO4 + H2O =>
4 KMnO4 + 6 KOH + K2S2O5 = 4 K2MnO4 + 2 K2SO4 + 3 H2O
SiO3 + H = SiO2 + H2O =>
SiO3 + 2 H = SiO2 + H2O
MnO4 + CH3CH2OH = MnO2 + CH3CHO + OH =>
MnO4 + CH3CH2OH = MnO2 + CH3CHO + 2 OH
KMnO4 + K2C2O4 + HNO3 = Mn(NO3)2 + CO2 + KNO3 + H2O =>
2 KMnO4 + 5 K2C2O4 + 16 HNO3 = 2 Mn(NO3)2 + 10 CO2 + 12 KNO3 + 8 H2O
C2H6O + K2Cr2O7 + HCl = C2H4O2 + CrCl3 + H2O + KCl =>
3 C2H6O + 2 K2Cr2O7 + 16 HCl = 3 C2H4O2 + 4 CrCl3 + 11 H2O + 4 KCl
K2Cr2O7 + SnCl2 + HCl = SnCl4 + CrCl3 + H2O + KH =>
K2Cr2O7 + 5 SnCl2 + 16 HCl = 5 SnCl4 + 2 CrCl3 + 7 H2O + 2 KH
HY + HNO3 = HYO3 + NO2 + H2O =>
HY + 6 HNO3 = HYO3 + 6 NO2 + 3 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
AgNO3(aq) + NiCl2(aq) = AgCl(s) + Ni(NO3)2(aq) =>
2 AgNO3(aq) + NiCl2(aq) = 2 AgCl(s) + Ni(NO3)2(aq)
NH3 + CuO = H2O + N2 + Cu =>
2 NH3 + 3 CuO = 3 H2O + N2 + 3 Cu
Cr(OH)3 + KOH = K3[Cr(OH)6] =>
Cr(OH)3 + 3 KOH = K3[Cr(OH)6]
Na2Co3(ac) + CaCl2(ac) = NaCl + CaCo3 =>
Na2Co3(ac) + CaCl2(ac) = 2 NaCl + CaCo3
Na2S + NaMnO4 + H2O = S + MnO2 + NaOH =>
3 Na2S + 2 NaMnO4 + 4 H2O = 3 S + 2 MnO2 + 8 NaOH
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
H3BO4 + Ca(OH)2 = Ca3(BO4)2 + H2O =>
2 H3BO4 + 3 Ca(OH)2 = Ca3(BO4)2 + 6 H2O
CaCl2 + Na = Ca + NaCl =>
CaCl2 + 2 Na = Ca + 2 NaCl
Li + FeCl3 = LiCl + Fe =>
3 Li + FeCl3 = 3 LiCl + Fe
CuCl2 + KI = CuI + KCl + I2 =>
2 CuCl2 + 4 KI = 2 CuI + 4 KCl + I2
N2Cl4 + C3H4 = N2 + Cl4C3 + H2 =>
N2Cl4 + C3H4 = N2 + Cl4C3 + 2 H2
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
Ca(NO3)2*4H2O + (NH4)2HPO4 + (NH4)OH = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2*4H2O + 6(NH4)2HPO4 + 8(NH4)OH = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 46 H2O
H2S + Fe3O4 = H2O + FeS2 + FeS =>
4 H2S + Fe3O4 = 4 H2O + FeS2 + 2 FeS
HMnO4 + H2SO3 = MnO2 + H2SO4 + H2O =>
2 HMnO4 + 3 H2SO3 = 2 MnO2 + 3 H2SO4 + H2O
K2CO3 + HBr = KBr + CO2 + H2O =>
K2CO3 + 2 HBr = 2 KBr + CO2 + H2O
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
KMnO4 + Al = Al2O3 + K2MnO4 + MnO2 =>
6 KMnO4 + 4 Al = 2 Al2O3 + 3 K2MnO4 + 3 MnO2
C5H10 = C5H8 + H2 =>
C5H10 = C5H8 + H2
SnI4 + PPh3 = SnI4(PPh3) =>
SnI4 + PPh3 = SnI4(PPh3)
C2H5OH + H2SO4 = C + SO2 + H2O =>
C2H5OH + 2 H2SO4 = 2 C + 2 SO2 + 5 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Li(OH) + HBrO = Li(BrO) + H2O =>
Li(OH) + HBrO = Li(BrO) + H2O
(NH4)2SO4 + Na2SO4 = Na2S2O8 + NH3 + H2 =>
(NH4)2SO4 + Na2SO4 = Na2S2O8 + 2 NH3 + H2
Ba + (Na)2 = BaNa2 =>
Ba + (Na)2 = BaNa2
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
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Équations équilibrées sur12/28/24
Équations équilibrées sur01/27/24
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