| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mg + O2 = 2 MgO
Al(NO3)3 + Na2SO4 = Al2(SO4)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaNO3
SnH4 + NaOH + H2O = Na2SnO3 + H2 =>
SnH4 + 2 NaOH + H2O = Na2SnO3 + 4 H2
NaOH + H2O = H2 + NaO2 =>
2 NaOH + 2 H2O = 3 H2 + 2 NaO2
ZnS + O2 = ZnO + S02 =>
2 ZnS + O2 = 2 ZnO + S02
Cu2(OH)2CO3 + CH3COOH = (CH3COO)2Cu + CO2 + H2O =>
Cu2(OH)2CO3 + 4 CH3COOH = 2(CH3COO)2Cu + CO2 + 3 H2O
Cl2 + CaBr2 = ClBr + Ca2 =>
2 Cl2 + 2 CaBr2 = 4 ClBr + Ca2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
KMnO4 + C2H6O + H2SO4 = MnSO4 + K2SO4 + C2H4O2 + H2O =>
4 KMnO4 + 5 C2H6O + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 C2H4O2 + 11 H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Pb(NO3)2 + KSCN = Pb(SCN)2 + KNO3 =>
Pb(NO3)2 + 2 KSCN = Pb(SCN)2 + 2 KNO3
Ba(NO3)2 + NaHCO3 = Ba(HCO3)2 + NaNO3 =>
Ba(NO3)2 + 2 NaHCO3 = Ba(HCO3)2 + 2 NaNO3
As4 + O2 = As2O3 =>
As4 + 3 O2 = 2 As2O3
CrCl3 + H2(SO4) = Cr2(SO4)3 + HCl =>
2 CrCl3 + 3 H2(SO4) = Cr2(SO4)3 + 6 HCl
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Cu2[Fe(CN)6] + NH4OH = (NH4)4[Fe(CN)6] + [Cu(NH3)4](OH)2 + H2O =>
Cu2[Fe(CN)6] + 12 NH4OH = (NH4)4[Fe(CN)6] + 2[Cu(NH3)4](OH)2 + 8 H2O
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
HBr + KHCO3 = H2O + KBr + CO2 =>
HBr + KHCO3 = H2O + KBr + CO2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
NH2OH = N2 + NH4 + H2O =>
8 NH2OH = 3 N2 + 2 NH4 + 8 H2O
OH + Cu = CuOH =>
OH + Cu = CuOH
(c)K + O2 = K2O =>
4(c)K + O2 = 2 K2O
Cu + FeCl3 = FeCl2 + CuCl =>
Cu + FeCl3 = FeCl2 + CuCl
CuI + HNO3 = CuNO3 + I2 + NO + H2O =>
6 CuI + 8 HNO3 = 6 CuNO3 + 3 I2 + 2 NO + 4 H2O
Tl + O2 = Tl2O =>
4 Tl + O2 = 2 Tl2O
Ba(NO3)2 + Cu = Cu(NO3) + Ba =>
Ba(NO3)2 + 2 Cu = 2 Cu(NO3) + Ba
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
I + H2O = HI + O2 =>
4 I + 2 H2O = 4 HI + O2
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
MgO2H2 + HCl = MgCl2 + H2O =>
MgO2H2 + 2 HCl = MgCl2 + 2 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
KrCrO4 + Pb(NO3)2 = Kr(NO3)2 + PbCrO4 =>
KrCrO4 + Pb(NO3)2 = Kr(NO3)2 + PbCrO4
BaO + Br2O = Ba(BrO)2 =>
BaO + Br2O = Ba(BrO)2
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
C2H4O2 + H2SO4 = H2S + CO2 + H2O =>
C2H4O2 + H2SO4 = H2S + 2 CO2 + 2 H2O
HNO3 + MgO2H2 = H2O + MgN2O6 =>
2 HNO3 + MgO2H2 = 2 H2O + MgN2O6
CuCl2(H2O)2 = CuCl2 + H2O =>
CuCl2(H2O)2 = CuCl2 + 2 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
H3PO4 + MgO2H2 = Mg3P2O8 + H2O =>
2 H3PO4 + 3 MgO2H2 = Mg3P2O8 + 6 H2O
Na2CO3 + H3O{+} + Cl{-} = NaCl + CO2 + O2 + H2 =>
2 Na2CO3 + 4 H3O{+} + 4 Cl{-} = 4 NaCl + 2 CO2 + 3 O2 + 6 H2
Sn(s) + Mg(NO3)2(aq) = Sn(NO3)2 + Mg =>
Sn(s) + Mg(NO3)2(aq) = Sn(NO3)2 + Mg
NaBr(s) + Cl2(g) = Br2(aq) + NaCl(aq) =>
2 NaBr(s) + Cl2(g) = Br2(aq) + 2 NaCl(aq)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
FeSO4 + H2C2O3 = H2SO4 + FeC2O3 =>
FeSO4 + H2C2O3 = H2SO4 + FeC2O3
MnO4{-} + As4O6 + H2O + Cl{-} = MnCl2 + HCl + AsO4{-3} =>
8 MnO4{-} + 5 As4O6 + 18 H2O + 52 Cl{-} = 8 MnCl2 + 36 HCl + 20 AsO4{-3}
CuSO4*5H2O + Na2CO3 = CuCO3*Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*5H2O + 2 Na2CO3 = CuCO3*Cu(OH)2 + 2 Na2SO4 + CO2 + 9 H2O
CH4 + NH3 = HCN + H2 =>
CH4 + NH3 = HCN + 3 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4 + NH3 = HCN + H2 =>
CH4 + NH3 = HCN + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/24/24
Équations équilibrées sur01/23/24
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