| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 P + 5 N2O = 5 N2 + P2O5
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
CO2 + C = CO =>
CO2 + C = 2 CO
A5 + B2 = AB =>
2 A5 + 5 B2 = 10 AB
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Pb(NO3)2 + H2SO4 = PbSO4 + HNO3 =>
Pb(NO3)2 + H2SO4 = PbSO4 + 2 HNO3
A + B = A5B2 =>
5 A + 2 B = A5B2
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
MG + H2Cl = MGCl2 + H2 =>
MG + 2 H2Cl = MGCl2 + 2 H2
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
C2H6 = C + H2 =>
C2H6 = 2 C + 3 H2
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
CrO4{2-} + Cl{-} + H2O = Cr(OH)3 + Cl2 + OH{-} =>
2 CrO4{2-} + 6 Cl{-} + 8 H2O = 2 Cr(OH)3 + 3 Cl2 + 10 OH{-}
Mg + HCi = MgCi2 + H2 =>
Mg + 2 HCi = MgCi2 + H2
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
(NH4)2SO4 = NH3 + SO2 + H2O + O2 =>
2(NH4)2SO4 = 4 NH3 + 2 SO2 + 2 H2O + O2
MnO4{-} + H2S + H{+} = Mn{2+} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{2+} + 5 S + 8 H2O
Na2HPO4*2H2O + Na2WO4*2H2O + HCl = Na9PW9O34 + NaCl + H2O =>
Na2HPO4*2H2O + 9 Na2WO4*2H2O + 11 HCl = Na9PW9O34 + 11 NaCl + 26 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
Mg + HCi = MgCi2 + H2 =>
Mg + 2 HCi = MgCi2 + H2
Na9PW7O28 + NaVO3 + Na2MoO4*2H2O + H2SO4 = H5PW7Mo3V2O40 + NaHSO4 + H2O =>
Na9PW7O28 + 2 NaVO3 + 3 Na2MoO4*2H2O + 17 H2SO4 = H5PW7Mo3V2O40 + 17 NaHSO4 + 12 H2O
CaSiO3 + Al = CaSi + Al2O3 =>
CaSiO3 + 2 Al = CaSi + Al2O3
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
CaSi + C2H4 = CaC2 + SiH4 =>
CaSi + C2H4 = CaC2 + SiH4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na2SO4 = Na + SO4 =>
Na2SO4 = 2 Na + SO4
Cu(s) + AgNo3(aq) = CuNo3 + Ag =>
Cu(s) + AgNo3(aq) = CuNo3 + Ag
Na9PW7O28 + NaVO3 + Na2MoO4*2H2O + H2SO4 = H5PW7Mo3V2O40 + NaHSO4 + H2O =>
Na9PW7O28 + 2 NaVO3 + 3 Na2MoO4*2H2O + 17 H2SO4 = H5PW7Mo3V2O40 + 17 NaHSO4 + 12 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2S + HNO3 = S + NO + H2O =>
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Zn + NO3{-} + H{+} = Zn{2+} + NH4{+} + H2O =>
4 Zn + NO3{-} + 10 H{+} = 4 Zn{2+} + NH4{+} + 3 H2O
CH4 + Cl2 = CH2Cl2 + HCl =>
CH4 + 2 Cl2 = CH2Cl2 + 2 HCl
C2H6 = C + H2 =>
C2H6 = 2 C + 3 H2
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/10/19
Équations équilibrées sur11/09/18
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