| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = 2 NaOH + H2
K2S + Pb(NO3)2 = K(NO3) + PbS =>
K2S + Pb(NO3)2 = 2 K(NO3) + PbS
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnCl2 + Cl2 + H2O = MnO2 + HCl =>
MnCl2 + Cl2 + 2 H2O = MnO2 + 4 HCl
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Cu(s) + S8(s) = Cu2S(s) =>
16 Cu(s) + S8(s) = 8 Cu2S(s)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2S + O = SO2 + H2O =>
H2S + 3 O = SO2 + H2O
Cu(s) + S(s) = Cu2S(s) =>
2 Cu(s) + S(s) = Cu2S(s)
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
Cr2O3 + Br2 + NaOH = Na2Cr2O7 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 8 NaOH = Na2Cr2O7 + 6 NaBr + 4 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Cr2O3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 5 H2O
Fe + OH = FeOH =>
Fe + OH = FeOH
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
Mg + Cl2 = Mg{2+} + Cl{-} =>
Mg + Cl2 = Mg{2+} + 2 Cl{-}
NaCl + F{2+} = NaF + Cl{2+} =>
NaCl + F{2+} = NaF + Cl{2+}
Pb(NO3)2 + Na3PO4 = Pb3(PO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3PO4 = Pb3(PO4)2 + 6 NaNO3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
MnSO4 + KHSO5 + H2O = MnO2 + H2SO4 + KHSO4 =>
MnSO4 + KHSO5 + H2O = MnO2 + H2SO4 + KHSO4
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Li + O = Li2O =>
2 Li + O = Li2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
N2 + O2 = NO =>
N2 + O2 = 2 NO
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
C3H803 = C3H4 + H20 =>
20 C3H803 = 20 C3H4 + 799 H20
Ti(OH)4 = TiO2 + H2O =>
Ti(OH)4 = TiO2 + 2 H2O
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Sr(OH)2 + HBr = H2O + SrBr2 =>
Sr(OH)2 + 2 HBr = 2 H2O + SrBr2
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
N2O + H2 = H2O + NH3 =>
N2O + 4 H2 = H2O + 2 NH3
Ni + MgCl2 = NiCl + Mg =>
2 Ni + MgCl2 = 2 NiCl + Mg
N2O + H2 = H2O + NH3 =>
N2O + 4 H2 = H2O + 2 NH3
Mg(OH)2 + AgNO3 = Mg(NO3)2 + AgOH =>
Mg(OH)2 + 2 AgNO3 = Mg(NO3)2 + 2 AgOH
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
Zn(NO3)2 + H2O = ZnOHNO3 + HNO3 =>
Zn(NO3)2 + H2O = ZnOHNO3 + HNO3
Ca + CuBr2 = CaBr2 + Cu =>
Ca + CuBr2 = CaBr2 + Cu
Fe{2+} + MnO4{-} + H{+} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + MnO4{-} + 8 H{+} = 5 Fe{3+} + Mn{2+} + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/04/11
Équations équilibrées sur12/04/10
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