| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH2O + O2 = CO + H2O =>
2 CH2O + O2 = 2 CO + 2 H2O
Fe + ZnSO4 = FeSO4 + Zn =>
Fe + ZnSO4 = FeSO4 + Zn
K2Cr2O7 + KNO2 + HCl = KNO3 + CrCl3 + KCl + H20 =>
5 K2Cr2O7 + 35 KNO2 + 40 HCl = 35 KNO3 + 10 CrCl3 + 10 KCl + 2 H20
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH3CHO + H2CrO4{2-} + H{+} = CH3CO2H + H2O + Cr3{+} =>
11 CH3CHO + 6 H2CrO4{2-} + 14 H{+} = 11 CH3CO2H + 13 H2O + 2 Cr3{+}
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
C + O2 = CO2 =>
C + O2 = CO2
H2S + Cl2 = HCl + S2 =>
2 H2S + 2 Cl2 = 4 HCl + S2
K2Cr2O7 + KNO2 + HCl = KNO3 + CrCl3 + KCl + H20 =>
5 K2Cr2O7 + 35 KNO2 + 40 HCl = 35 KNO3 + 10 CrCl3 + 10 KCl + 2 H20
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2Cr2O7 + KNO2 + HCl = KNO3 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 KNO2 + 8 HCl = 3 KNO3 + 2 CrCl3 + 2 KCl + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Zn + N2O4 = Zn(NO3)2 + N2 =>
2 Zn + 3 N2O4 = 2 Zn(NO3)2 + N2
Zn + N2O4 = Zn(NO3)2 + NO =>
Zn + 2 N2O4 = Zn(NO3)2 + 2 NO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(OH)2 + H2CO3 = CaCO3 + H2O =>
Ca(OH)2 + H2CO3 = CaCO3 + 2 H2O
NH3 + CO2 = CON2H4 + H2O =>
2 NH3 + CO2 = CON2H4 + H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Iron(III)Chloride + SodiumHydroxide = Iron(III)Hydroxide + SodiumChloride =>
Iron(III)Chloride + SodiumHydroxide = Iron(III)Hydroxide + SodiumChloride
FE + HCl = FECl3 + H2 =>
2 FE + 6 HCl = 2 FECl3 + 3 H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NH4 + HNO3 = NH4NO3 + H2O =>
8 NH4 + 10 HNO3 = 9 NH4NO3 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cl2 + KBr = Br2 + KCl =>
Cl2 + 2 KBr = Br2 + 2 KCl
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Cr2O7{2-} + SO2 + H{+} = SO42{-} + Cr3 + H2O =>
237 Cr2O7{2-} + 36 SO2 + 438 H{+} = 36 SO42{-} + 158 Cr3 + 219 H2O
HCl(aq) + O2(g) = H2O(l) + Cl2(g) =>
4 HCl(aq) + O2(g) = 2 H2O(l) + 2 Cl2(g)
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2O2 + CO2 + N2 + H2O =>
(NH4)2C2O4 + 2 KMnO4 + 2 H2SO4 = 2 MnSO4 + K2O2 + 2 CO2 + N2 + 6 H2O
KOH + AlCl3 = KCl + Al(OH)3 =>
3 KOH + AlCl3 = 3 KCl + Al(OH)3
C6H5NH3Cl + NaOH = C6H5NH2 + NaCl + H2O =>
C6H5NH3Cl + NaOH = C6H5NH2 + NaCl + H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cr2O7{2-} + SO2 + H{+} = SO4{2-} + Cr{3+} + H2O =>
Cr2O7{2-} + 3 SO2 + 2 H{+} = 3 SO4{2-} + 2 Cr{3+} + H2O
FeS + H3PO4 = Fe3(PO4)2 + H2S =>
3 FeS + 2 H3PO4 = Fe3(PO4)2 + 3 H2S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
Na + HCl = NaCl + H =>
Na + HCl = NaCl + H
C + Al2O3 = Al + CO2 =>
3 C + 2 Al2O3 = 4 Al + 3 CO2
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu(NO3)2 + NaOH = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH = 2 NaNO3 + Cu(OH)2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/26/14
Équations équilibrées sur06/25/13
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