| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cl{-} = Cl + e
K3(Co(NO2)6) + HCl = CoCl2 + KNO3 + NO + KCl + H2O =>
3 K3(Co(NO2)6) + 8 HCl = 3 CoCl2 + 7 KNO3 + 11 NO + 2 KCl + 4 H2O
Ca(HCO3)2 + HCl = CaCl2 + CO2H2O =>
Ca(HCO3)2 + 2 HCl = CaCl2 + 2 CO2H2O
N2 + He = NHe =>
N2 + 2 He = 2 NHe
Ni + FeCl3 = Fe + NiCl2 =>
3 Ni + 2 FeCl3 = 2 Fe + 3 NiCl2
ZnS(s) + HBr(aq) = HZn + BrS =>
ZnS(s) + HBr(aq) = HZn + BrS
H2SeO3 + KOH = KHSeO3 + H2O =>
H2SeO3 + KOH = KHSeO3 + H2O
HCl + Cr = CrHCl9 + H2 =>
9 HCl + Cr = CrHCl9 + 4 H2
Pb + NO2 = Pb(NO2)2 =>
Pb + 2 NO2 = Pb(NO2)2
(C6H5NH3)Cl + NaOH = C6H5NH2 + NaCl + H2O =>
(C6H5NH3)Cl + NaOH = C6H5NH2 + NaCl + H2O
SrCl2 + NaOH = Sr(OH)2 + NaCl =>
SrCl2 + 2 NaOH = Sr(OH)2 + 2 NaCl
C2O2 + H2O = CO2 + H =>
C2O2 + 2 H2O = 2 CO2 + 4 H
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
CH3COOH + KHCO3 = HCOOK + CO2 + H2O =>
CH3COOH + 4 KHCO3 = 4 HCOOK + 2 CO2 + 2 H2O
SnCl2 + Br2 = SnCl4 + SnBr4 =>
2 SnCl2 + 2 Br2 = SnCl4 + SnBr4
KOH + O2 = KO2 + H2O =>
4 KOH + 3 O2 = 4 KO2 + 2 H2O
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
Cu2O + Si = SiO2 + Cu =>
2 Cu2O + Si = SiO2 + 4 Cu
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
NaCl + HNO3 = Cl2 + NO + NaNO3 + H2O =>
6 NaCl + 8 HNO3 = 3 Cl2 + 2 NO + 6 NaNO3 + 4 H2O
C6H8O7 + Fe = FeC6H5O7 + H2 =>
2 C6H8O7 + 2 Fe = 2 FeC6H5O7 + 3 H2
Si4H10 + O2(g) = SiO2(s) + H2O(l) =>
2 Si4H10 + 13 O2(g) = 8 SiO2(s) + 10 H2O(l)
Al + Pb(NO3)2 = Pb + (NO3)2Al =>
Al + Pb(NO3)2 = Pb + (NO3)2Al
Cu(NO3)2 + K4[Fe(CN)6] = Cu4[Fe(CN)6]2 + KNO3 =>
4 Cu(NO3)2 + 2 K4[Fe(CN)6] = Cu4[Fe(CN)6]2 + 8 KNO3
NaOH + CaCO3 = Ca(OH)2 + Na2CO3 =>
2 NaOH + CaCO3 = Ca(OH)2 + Na2CO3
CsO3 + HCl = CsCl3 + H2O + Cl2 =>
2 CsO3 + 12 HCl = 2 CsCl3 + 6 H2O + 3 Cl2
HCl + Cr = CrHCl9 + H2 =>
9 HCl + Cr = CrHCl9 + 4 H2
Al + Hg(CH3)2 = Al(CH3)3 + Hg =>
2 Al + 3 Hg(CH3)2 = 2 Al(CH3)3 + 3 Hg
Cu2(Fe(CN)6) + NaOH = Na4(Fe(CN)6) + Cu(OH)2 =>
Cu2(Fe(CN)6) + 4 NaOH = Na4(Fe(CN)6) + 2 Cu(OH)2
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
NaOH + MgSO4 = Mg(OH)2 + Na2SO4 =>
2 NaOH + MgSO4 = Mg(OH)2 + Na2SO4
CH3CH2NH2 + HCl = Cl + CH3CH2NH3 =>
CH3CH2NH2 + HCl = Cl + CH3CH2NH3
KBr + KMnO2 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
2 KBr + 2 KMnO2 + 4 H2SO4 = Br2 + 2 MnSO4 + 2 K2SO4 + 4 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Co(OH)3 + H2SO4 = Co + SO4 + H2O =>
2 Co(OH)3 + 3 H2SO4 = 2 Co + 3 SO4 + 6 H2O
*2C4H10 + *13O2 = *8CO2 + *10H20 =>
130*2C4H10 + 80*13O2 = 130*8CO2 + 13*10H20
LiCl(aq) + AgNO3(aq) = AgCl + LiNO3 =>
LiCl(aq) + AgNO3(aq) = AgCl + LiNO3
HCOOH + MgO = Mg(COOH)2 + H2O =>
2 HCOOH + MgO = Mg(COOH)2 + H2O
Na2O3 + H2O = O2 + NaOH =>
Na2O3 + H2O = O2 + 2 NaOH
MgSO4 + (HCl) = H2SO4 + MgCl2 =>
MgSO4 + 2(HCl) = H2SO4 + MgCl2
Cs2CO3 + SiO2 = Cs2Si4O9 + CO2 =>
Cs2CO3 + 4 SiO2 = Cs2Si4O9 + CO2
Cu + NaNO3 + H2SO4 = CuSO4 + Na2SO4 + NO2 + H2O =>
Cu + 2 NaNO3 + 2 H2SO4 = CuSO4 + Na2SO4 + 2 NO2 + 2 H2O
NH3 + O2 = N2H5 + H2O =>
8 NH3 + O2 = 4 N2H5 + 2 H2O
H2SeO3 + KOH = K2SeO3 + H2O =>
H2SeO3 + 2 KOH = K2SeO3 + 2 H2O
Na2 + O2 = Na2O(aq) =>
2 Na2 + O2 = 2 Na2O(aq)
Co(OH)2 + Br + NaOH = Co(OH)3 + NaBr =>
Co(OH)2 + Br + NaOH = Co(OH)3 + NaBr
Na[Fe(OH)4] = H2O + NaFeO2 =>
Na[Fe(OH)4] = 2 H2O + NaFeO2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na3[Ag(S2O3)2] = Ag2S + Na2S + SO3 =>
2 Na3[Ag(S2O3)2] = Ag2S + 3 Na2S + 4 SO3
KCrO2 + PBO2 + KOH = K2CrO4 + K2PBO + H2O =>
4 KCrO2 + 3 PBO2 + 10 KOH = 4 K2CrO4 + 3 K2PBO + 5 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/24/25
Équations équilibrées sur04/23/24
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