| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu2O + O2 = 4 CuO
H2O + As2S5 + HNO3 = H3AsO4 + H2SO4 + NO =>
4 H2O + 3 As2S5 + 40 HNO3 = 6 H3AsO4 + 15 H2SO4 + 40 NO
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 2 I3 + 4 K2SO4 + 7 H2O
Si(OH)4 + NaBr = SiBr4 + NaOH =>
Si(OH)4 + 4 NaBr = SiBr4 + 4 NaOH
Na3PO4 + CaCl2 = NaCl + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCl2 = 6 NaCl + Ca3(PO4)2
H3PO4 + Ca(OH)2 = Ca5(PO4)3(OH) + H2O =>
3 H3PO4 + 5 Ca(OH)2 = Ca5(PO4)3(OH) + 9 H2O
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
K2Cr2O7 + HClO4 + HI = Cr(ClO4)3 + KClO4 + I2 + H2O =>
K2Cr2O7 + 8 HClO4 + 6 HI = 2 Cr(ClO4)3 + 2 KClO4 + 3 I2 + 7 H2O
NH3 + NaHSO4 = NH4 + NaSO4 =>
NH3 + NaHSO4 = NH4 + NaSO4
Cl2 + H2O = HCl + HClO =>
Cl2 + H2O = HCl + HClO
BF3 + Li = B2 + LiF =>
2 BF3 + 6 Li = B2 + 6 LiF
Al + SnBr4 = SnBr2 + AlBr3 =>
2 Al + 3 SnBr4 = 3 SnBr2 + 2 AlBr3
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
Al3 + Br2 = Al3Br2 =>
Al3 + Br2 = Al3Br2
N2 + O2 = NO =>
N2 + O2 = 2 NO
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl + MnO2 + H2SO4 = NaHSO4 + MnSO4 + Cl2 + H2O =>
2 NaCl + MnO2 + 3 H2SO4 = 2 NaHSO4 + MnSO4 + Cl2 + 2 H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Cu2O + NO4{-} + H{+} = CuO + N2O5 + H2O =>
2 Cu2O + 2 NO4{-} + 2 H{+} = 4 CuO + N2O5 + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
KMnO4 + KBr + H2SO4 = MnSO4 + Br2 + K2SO4 + H2O =>
2 KMnO4 + 10 KBr + 8 H2SO4 = 2 MnSO4 + 5 Br2 + 6 K2SO4 + 8 H2O
CuO + NO2{-} + H{+} = Cu2O + N2O5 + H2O =>
4 CuO + 2 NO2{-} + 2 H{+} = 2 Cu2O + N2O5 + H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
NaL + Pb(So4)2 = PbL4 + Na2So4 =>
4 NaL + Pb(So4)2 = PbL4 + 2 Na2So4
Cl2 + I{-} = I2 + Cl{-} =>
Cl2 + 2 I{-} = I2 + 2 Cl{-}
NaL + Pb(So4)2 = PbL4 + Na2So4 =>
4 NaL + Pb(So4)2 = PbL4 + 2 Na2So4
Cu2O + NO3{-} + H{+} = CuO + NO2 + H2O =>
Cu2O + 2 NO3{-} + 2 H{+} = 2 CuO + 2 NO2 + H2O
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
C6H12O6 = C2H6O + CO2 =>
C6H12O6 = 2 C2H6O + 2 CO2
C + S = CS2 =>
C + 2 S = CS2
Hg2(C2H3O2)2(aq) + KCl(aq) = Hg2Cl2(s) + KC2H3O2(aq) =>
Hg2(C2H3O2)2(aq) + 2 KCl(aq) = Hg2Cl2(s) + 2 KC2H3O2(aq)
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
HG(NO3)2 = HGO + NO2 + O2 =>
2 HG(NO3)2 = 2 HGO + 4 NO2 + O2
KMNO4 + FeSO4 + H2SO4 = K2SO4 + MNSO4 + Fe2(SO4)3 + H2O =>
2 KMNO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MNSO4 + 5 Fe2(SO4)3 + 8 H2O
AlF3 + H2O = Al2O3 + HF =>
2 AlF3 + 3 H2O = Al2O3 + 6 HF
KNO3 + FeCl2 + HCl = NO + FeCl3 + KCl + H2O =>
KNO3 + 3 FeCl2 + 4 HCl = NO + 3 FeCl3 + KCl + 2 H2O
WO2 + H2 = W + H2O =>
WO2 + 2 H2 = W + 2 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
AGNO3 + MGBR2 = AGBR2 + MGNO3 =>
AGNO3 + MGBR2 = AGBR2 + MGNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
AGNO3 + MGBR2 = AGBR2 + MGNO3 =>
AGNO3 + MGBR2 = AGBR2 + MGNO3
HI + NaOH = INa + HOH =>
HI + NaOH = INa + HOH
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/02/15
Équations équilibrées sur10/02/14
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