| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 3 H2O = 2 Fe(OH)3
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Bi + H2SO4 = Bi2(SO4)3 + H2O + SO2 =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 6 H2O + 3 SO2
OsO4 + PtCl4 = PtO2 + OsCl8 =>
OsO4 + 2 PtCl4 = 2 PtO2 + OsCl8
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Cu{+2} + H2O = [Cu(H2O)4]{+2} =>
Cu{+2} + 4 H2O = [Cu(H2O)4]{+2}
Hg2I2 + O2 = Hg2O + I2 =>
2 Hg2I2 + O2 = 2 Hg2O + 2 I2
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Pb(NO3)2(aq) + KIO3(aq) = Pb(IO3)2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KIO3(aq) = Pb(IO3)2(s) + 2 KNO3(aq)
CuSO4 + H2O = [Cu(H2O)4]{+2} + SO4{-2} =>
CuSO4 + 4 H2O = [Cu(H2O)4]{+2} + SO4{-2}
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
P + NaOH + H2O = NaH2PO2 + PH3 =>
4 P + 3 NaOH + 3 H2O = 3 NaH2PO2 + PH3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Cr{+3} + H2O = Cr2O7{+2} + H{+} + {-} =>
2 Cr{+3} + 7 H2O = Cr2O7{+2} + 14 H{+} + 10e
AlO3H3 + H2CO3 = Al2C3O9 + H2O =>
2 AlO3H3 + 3 H2CO3 = Al2C3O9 + 6 H2O
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
I2 + {-} = I{-} =>
I2 + 2e = 2 I{-}
MnSO4 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + Na2SO4 + NaNO3 + H2O =>
2 MnSO4 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 Na2SO4 + NaNO3 + 7 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
UO2{2+} + H{+} + {-} = U{4+} + H2O =>
UO2{2+} + 4 H{+} + 2e = U{4+} + 2 H2O
K2CrO4 + Pb(NO3)2 = PbCrO4 + KNO3 =>
K2CrO4 + Pb(NO3)2 = PbCrO4 + 2 KNO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
COH4 + O2 = CO2 + H20 =>
10 COH4 + 5 O2 = 10 CO2 + 2 H20
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
COH4 + O2 = CO2 + H2O =>
2 COH4 + 3 O2 = 2 CO2 + 4 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
I2 + HNO3 = HIO3 + H2O + NO2 =>
I2 + 10 HNO3 = 2 HIO3 + 4 H2O + 10 NO2
SiHCl3 + H2 = Si + HCl =>
SiHCl3 + H2 = Si + 3 HCl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NiS + NO3{-} + H{+} = Ni{2+} + S + NO + H2O =>
3 NiS + 2 NO3{-} + 8 H{+} = 3 Ni{2+} + 3 S + 2 NO + 4 H2O
N2H2 + H2O2 = N2 + H2O =>
N2H2 + H2O2 = N2 + 2 H2O
H{+} + NO3{-} + Sn{2+} = Sn{4+} + NO + H2O =>
8 H{+} + 2 NO3{-} + 3 Sn{2+} = 3 Sn{4+} + 2 NO + 4 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
AlO3H3 + HBr = AlBr3 + H2O =>
AlO3H3 + 3 HBr = AlBr3 + 3 H2O
H{+} + IO3{-} + HSO3{-} = I2 + HSO4{-} + H2O =>
2 H{+} + 2 IO3{-} + 5 HSO3{-} = I2 + 5 HSO4{-} + H2O
H2S + O2 = SO4 + H20 =>
10 H2S + 20 O2 = 10 SO4 + H20
H2S + O2 = SO4 + H2O =>
2 H2S + 5 O2 = 2 SO4 + 2 H2O
C2H4O2 + Mg = MgC2H3O2 + H =>
C2H4O2 + Mg = MgC2H3O2 + H
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
NiCl + NaOH = NaCl + NiOH =>
NiCl + NaOH = NaCl + NiOH
H2 + SO4 = S2H + H2O =>
17 H2 + 4 SO4 = 2 S2H + 16 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/05/11
Équations équilibrées sur04/04/10
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