| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu2S + 12 HNO3 = CuSO4 + Cu(NO3)2 + 10 NO2 + 6 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
NH3 + Na = NaNH2 + H =>
NH3 + Na = NaNH2 + H
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
CH3CHO + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
CH3CHO + 2 KMnO4 + 3 H2SO4 = 2 CO2 + K2SO4 + 2 MnSO4 + 5 H2O
HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KC2H3O2(aq) =>
2 HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KC2H3O2(aq)
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HI + K2Cr2O7 + HNO3 = KNO3 + Cr(NO3)3 + H2O + I2 =>
6 HI + K2Cr2O7 + 8 HNO3 = 2 KNO3 + 2 Cr(NO3)3 + 7 H2O + 3 I2
NH3 + O2 = NO2 + H20 =>
20 NH3 + 20 O2 = 20 NO2 + 3 H20
MnO2 + C = Mn + CO2 =>
MnO2 + C = Mn + CO2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
K(ClO3) + H2(SO4) = KHSO4 + O2 + ClO2 + H20 =>
20 K(ClO3) + 20 H2(SO4) = 20 KHSO4 + 10 O2 + 20 ClO2 + H20
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
H2 + CO2 = CO + H2O =>
H2 + CO2 = CO + H2O
Cr2O3 + KClO3 + KOH = K2CrO4 + KCl + H2O =>
Cr2O3 + KClO3 + 4 KOH = 2 K2CrO4 + KCl + 2 H2O
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
HClO3(aq) + HBr(aq) = HCl(aq) + Br2(g) + H2O(l) =>
HClO3(aq) + 6 HBr(aq) = HCl(aq) + 3 Br2(g) + 3 H2O(l)
MgCO3(aq) + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3(aq) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g)
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
Cr2O7 + H2O = Cr(OH)3 + OH =>
Cr2O7 + 7 H2O = 2 Cr(OH)3 + 8 OH
Na2CO3(aq) + HCl(aq) = NaCl(aq) + CO2(g) + H2O =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + CO2(g) + H2O
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
K + O2 = K2O =>
4 K + O2 = 2 K2O
KI + H2O2 = I2 + KOH =>
2 KI + H2O2 = I2 + 2 KOH
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Mn{+2} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+1] =>
2 Mn{+2} + 5 IO4{-} + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+1]
Mn{+2} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+} =>
2 Mn{+2} + 5 IO4{-} + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+}
C2H2 + H2O = C2H4 + O2 =>
2 C2H2 + 2 H2O = 2 C2H4 + O2
C6H12 + KMnO4 = C3H6O2 + KMnO2 =>
C6H12 + 2 KMnO4 = 2 C3H6O2 + 2 KMnO2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CuSo4(ac) + NH3(ac) = [Cu(NH3)4]So4(ac) =>
CuSo4(ac) + 4 NH3(ac) = [Cu(NH3)4]So4(ac)
NaOH + HClO4 = NaClO4 + H2O =>
NaOH + HClO4 = NaClO4 + H2O
HNO3 + NH4Cl = HCl + NH4NO3 =>
HNO3 + NH4Cl = HCl + NH4NO3
As2S3 + H2O2 + NH4OH = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH4OH = 2(NH4)3AsO4 + 3(NH4)2SO4 + 20 H2O
CS2 + H2O = H2S + CO2 =>
CS2 + 2 H2O = 2 H2S + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NaOCl = NaClO3 + NaCl =>
3 NaOCl = NaClO3 + 2 NaCl
C2H4 + HBr = C2H5Br =>
C2H4 + HBr = C2H5Br
H2SO4 + HI = I2 + SO2 + H2O =>
H2SO4 + 2 HI = I2 + SO2 + 2 H2O
KOH + KH2PO4 = K3PO4 + H2O =>
2 KOH + KH2PO4 = K3PO4 + 2 H2O
C7H12O3 + O2 = CO2 + H2O =>
2 C7H12O3 + 17 O2 = 14 CO2 + 12 H2O
BaO2 + H2O = Ba(OH)2 + O2 =>
2 BaO2 + 2 H2O = 2 Ba(OH)2 + O2
Hg2Cl2 + NH3 = Hg + HgNH2Cl + NH4Cl =>
Hg2Cl2 + 2 NH3 = Hg + HgNH2Cl + NH4Cl
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/08/13
Équations équilibrées sur10/08/12
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