| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
N2O3 + K2Cr2O7 + H2SO4 = N2O5 + Cr2(SO4)3 + K2SO4 + H2O =>
3 N2O3 + 2 K2Cr2O7 + 8 H2SO4 = 3 N2O5 + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Mg(s) + Cu{2+}(aq) = Mg{2+} + Cu =>
Mg(s) + Cu{2+}(aq) = Mg{2+} + Cu
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
CoCl2*6H2O + NH4Cl = [Co(NH3)6]Cl2 + H2O + HCl =>
CoCl2*6H2O + 6 NH4Cl = [Co(NH3)6]Cl2 + 6 H2O + 6 HCl
Zn(s) + Cu{2+}(aq) = Zn{2+} + Cu =>
Zn(s) + Cu{2+}(aq) = Zn{2+} + Cu
H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + O2 + H2O =>
8 H2SO4 + 2 K2Cr2O7 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 O2 + 8 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu(s) + Zn{2+}(aq) = Cu{2+} + Zn =>
Cu(s) + Zn{2+}(aq) = Cu{2+} + Zn
H2O + Fe2O3 = Fe(OH)3 =>
3 H2O + Fe2O3 = 2 Fe(OH)3
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
CoCl2*6H2O + NH4Cl = [Co(NH3)6]Cl2 + H2O + H2 + Cl2 =>
CoCl2*6H2O + 6 NH4Cl = [Co(NH3)6]Cl2 + 6 H2O + 3 H2 + 3 Cl2
Fe(s) + Zn{2+}(aq) = Fe{2+} + Zn =>
Fe(s) + Zn{2+}(aq) = Fe{2+} + Zn
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
H2SiO3 + Ca2(PO4)3 + C = CaSiO3 + P + CO + H2O =>
2 H2SiO3 + Ca2(PO4)3 + 10 C = 2 CaSiO3 + 3 P + 10 CO + 2 H2O
Fe2O3(s) + Zn = ZnO(s) + Fe(s) =>
Fe2O3(s) + 3 Zn = 3 ZnO(s) + 2 Fe(s)
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
K2O = K + O2 =>
2 K2O = 4 K + O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeS + KMnO4 + H2SO4 = Fe2(SO4)3 + K2(SO4) + MnSO4 + H2O =>
10 FeS + 18 KMnO4 + 32 H2SO4 = 5 Fe2(SO4)3 + 9 K2(SO4) + 18 MnSO4 + 32 H2O
Fe(s) + H{+}(aq) = Fe{2+} + H2 =>
Fe(s) + 2 H{+}(aq) = Fe{2+} + H2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
Na2S2O3*5H2O + I2 = Na2S4O6 + NaI + H2O =>
2 Na2S2O3*5H2O + I2 = Na2S4O6 + 2 NaI + 10 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
BaOH + HI = H2O + BaI =>
BaOH + HI = H2O + BaI
C3H6O + KMnO4 + H2O = C3H8O3 + MnO2 + KOH =>
3 C3H6O + 2 KMnO4 + 4 H2O = 3 C3H8O3 + 2 MnO2 + 2 KOH
K2CrO4 + (NH4)2S + H2O = Cr(OH)3 + S + KOH + NH4OH =>
2 K2CrO4 + 3(NH4)2S + 8 H2O = 2 Cr(OH)3 + 3 S + 4 KOH + 6 NH4OH
K2Cr2O7 + Na2So3 + H2So4 = Cr2(So4)3 + K2So4 + Na2So4 + H2O =>
K2Cr2O7 + 12 Na2So3 + 7 H2So4 = Cr2(So4)3 + K2So4 + 12 Na2So4 + 7 H2O
(NH4)2Cr2O7(s) = N2(g) + H2O(g) + Cr2O3 =>
(NH4)2Cr2O7(s) = N2(g) + 4 H2O(g) + Cr2O3
Na(s) + H2O = H2 + NaOH =>
2 Na(s) + 2 H2O = H2 + 2 NaOH
NO2 + KOH = KNO2 + KNO3 + H2O =>
2 NO2 + 2 KOH = KNO2 + KNO3 + H2O
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
C2H2 + Ag2O = Ag2C2 + H2O =>
C2H2 + Ag2O = Ag2C2 + H2O
H3AsO3 + HNO3 = H3AsO4 + NO + H2O =>
3 H3AsO3 + 2 HNO3 = 3 H3AsO4 + 2 NO + H2O
V + H2SO4 = SO2 + V2(SO4)5 + H2O =>
2 V + 10 H2SO4 = 5 SO2 + V2(SO4)5 + 10 H2O
K(s) + H2O = H2 + KOH =>
2 K(s) + 2 H2O = H2 + 2 KOH
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Ca(s) + H2O = Ca(OH)2 + H2 =>
Ca(s) + 2 H2O = Ca(OH)2 + H2
HNO3 + P + H20 = H3PO4 + NO =>
40 HNO3 + 20 P + H20 = 20 H3PO4 + 40 NO
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Pb + K2CrO4 = PbCrO4 + K =>
Pb + K2CrO4 = PbCrO4 + 2 K
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CaO + HBr = CaBr + OH =>
CaO + HBr = CaBr + OH
KBr(aq) + Cl2(aq) = Br + KCl2 =>
KBr(aq) + Cl2(aq) = Br + KCl2
SO2 + HNO3 = H2SO4 + NO2 =>
SO2 + 2 HNO3 = H2SO4 + 2 NO2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
KBr + H2SO4 + MnO2 = KHSO4 + MnSO4 + H2O + Br2 =>
2 KBr + 3 H2SO4 + MnO2 = 2 KHSO4 + MnSO4 + 2 H2O + Br2
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/11/13
Équations équilibrées sur04/10/12
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