| Équations équilibrées la veille | Équations équilibrées le lendemain |
N2O5 + H2O = 2 HNO3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Cl2 + KOH = KCl + HClO =>
Cl2 + KOH = KCl + HClO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CuSO4 + NH3 + H2O = (NH4)2SO4 + Cu(NH3)4(OH)2 =>
CuSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Cu(NH3)4(OH)2
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 KC2H3O2(aq)
KBr + F2 = KF + Br2 =>
2 KBr + F2 = 2 KF + Br2
PbS + Cr2O72{-} + H{+} = PbO2 + SO2 + Cr3{+} + H2O =>
427 PbS + 24 Cr2O72{-} + 40 H{+} = 427 PbO2 + 427 SO2 + 16 Cr3{+} + 20 H2O
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
SnO2 + H2O = Sn(OH)4 =>
SnO2 + 2 H2O = Sn(OH)4
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
NaNO3 + Al = Al2O3 + Na2O + N2 =>
6 NaNO3 + 10 Al = 5 Al2O3 + 3 Na2O + 3 N2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
CuSO4 + NH3 = Cu(NH3)4 + SO4 =>
CuSO4 + 4 NH3 = Cu(NH3)4 + SO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
(NH4)2S + HCl = NH4Cl + H2S =>
(NH4)2S + 2 HCl = 2 NH4Cl + H2S
Na + HClO3 = NaClO3 + H2 =>
2 Na + 2 HClO3 = 2 NaClO3 + H2
Mg + CuCl = MgCl2 + Cu =>
Mg + 2 CuCl = MgCl2 + 2 Cu
K2PqYp2 + E2A = K8Pq4A4 + EYp =>
4 K2PqYp2 + 4 E2A = K8Pq4A4 + 8 EYp
HCl(aq) + FeCl2(aq) + O2(aq) = FeCl3(aq) + H2O(l) =>
4 HCl(aq) + 4 FeCl2(aq) + O2(aq) = 4 FeCl3(aq) + 2 H2O(l)
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
KBr + Pb(NO3)2 = KNO3 + PbBr2 =>
2 KBr + Pb(NO3)2 = 2 KNO3 + PbBr2
H2S + HNO3 = S + NO + H2O =>
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
HgSO4 + NH4NO3 = Hg(NO3)2 + (NH4)2SO4 =>
HgSO4 + 2 NH4NO3 = Hg(NO3)2 + (NH4)2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
HClO3 + NaOH = NaClO3 + H2O =>
HClO3 + NaOH = NaClO3 + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H5OH + PBr3 = C2H5Br + H3PO3 =>
3 C2H5OH + PBr3 = 3 C2H5Br + H3PO3
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C10H8 + O2 = CO2 + H2O =>
C10H8 + 12 O2 = 10 CO2 + 4 H2O
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/12/21
Équations équilibrées sur03/14/20
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