| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH4 + 2 O2 = CO2 + 2 H2O
SiH4 + O2 = SiO2 + H2O =>
SiH4 + 2 O2 = SiO2 + 2 H2O
Al2O3 + CCl4 = AlCl3 + CO2 =>
2 Al2O3 + 3 CCl4 = 4 AlCl3 + 3 CO2
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
CaSO4 + NaOH = CaO2H2 + Na2SO4 =>
CaSO4 + 2 NaOH = CaO2H2 + Na2SO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HF + Hg = HgF2 + H2 =>
2 HF + Hg = HgF2 + H2
HF + Hg = HgF + H2 =>
2 HF + 2 Hg = 2 HgF + H2
C2H2(aq) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(aq) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
SnCl2 + Na2WO4 + HCl = W2O5 + SnCl4 + H2O + NaCl =>
SnCl2 + 2 Na2WO4 + 6 HCl = W2O5 + SnCl4 + 3 H2O + 4 NaCl
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
CS2(l) + O2(g) = CO2(g) + SO2(g) =>
CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
FeSO4 + H2SO4 + H2O2 = Fe(SO4)3 + H2O =>
FeSO4 + 2 H2SO4 + 2 H2O2 = Fe(SO4)3 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al4C3(s) + F2(g) = AlF3(s) + CF4(g) =>
Al4C3(s) + 12 F2(g) = 4 AlF3(s) + 3 CF4(g)
K2SO4(aq) + Ba(NO3)2(aq) = KNO3(aq) + BaSO4(s) =>
K2SO4(aq) + Ba(NO3)2(aq) = 2 KNO3(aq) + BaSO4(s)
NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) =>
2 NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(l)
Na2Cr2O7 + Na2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 Na2SO4 + 4 H2O
CuO(s) + HNO3(aq) = Cu(NO3)2(aq) + H2O(l) =>
CuO(s) + 2 HNO3(aq) = Cu(NO3)2(aq) + H2O(l)
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + Cl3 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 2 Cl3 + 7 H2O
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l)
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
Mg(NO3)2(s) = MgO(s) + NO2(g) + O2(g) =>
2 Mg(NO3)2(s) = 2 MgO(s) + 4 NO2(g) + O2(g)
H2(g) + PbO(s) = Pb(s) + H2O(l) =>
H2(g) + PbO(s) = Pb(s) + H2O(l)
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
Ca + (NH4)2C2O4 = CaC2O4 + NH4 =>
Ca + (NH4)2C2O4 = CaC2O4 + 2 NH4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C10H6NSO6Na + NaNO3 + H2SO4 = CO2 + H2O + Na2SO4 + NO =>
3 C10H6NSO6Na + 43 NaNO3 + 20 H2SO4 = 30 CO2 + 29 H2O + 23 Na2SO4 + 46 NO
H2SO3(aq) + BaCl2(aq) = HCl(aq) + Ba(HSO3)2 =>
2 H2SO3(aq) + BaCl2(aq) = 2 HCl(aq) + Ba(HSO3)2
H2SO3(aq) + BaCl2(aq) = HCl(aq) + BaSO3 =>
H2SO3(aq) + BaCl2(aq) = 2 HCl(aq) + BaSO3
(CH3CH2COO)2Ca + HCl = CH3CH2COOH + CaCl2 =>
(CH3CH2COO)2Ca + 2 HCl = 2 CH3CH2COOH + CaCl2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Na + H2SO4 = NaSO4 + H2O + S =>
3 Na + 4 H2SO4 = 3 NaSO4 + 4 H2O + S
Hg(NO3)2 + NH4SCN = Hg(SCN)2 + NH4NO3 =>
Hg(NO3)2 + 2 NH4SCN = Hg(SCN)2 + 2 NH4NO3
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
Cl2 + NAOH = NACl + NAClO3 + H2O =>
3 Cl2 + 6 NAOH = 5 NACl + NAClO3 + 3 H2O
Ni(OH)2 + HCl = NiCl2 + H2O =>
Ni(OH)2 + 2 HCl = NiCl2 + 2 H2O
H2O2 + I2 = H2O + IO3({-}) + H{+} =>
5 H2O2 + I2 = 4 H2O + 2 IO3({-}) + 2 H{+}
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
As2S3 + H{+} + NO3{-} + H2O = H3AsO4 + NO + S =>
3 As2S3 + 10 H{+} + 10 NO3{-} + 4 H2O = 6 H3AsO4 + 10 NO + 9 S
CuCO3(s) = CuO(s) + CO2(g) =>
CuCO3(s) = CuO(s) + CO2(g)
(NH4)2SO4 + NaOH = Na2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
Ca + (NH4)2C2O4 = CaC2O4 + NH4 =>
Ca + (NH4)2C2O4 = CaC2O4 + 2 NH4
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
K + HCl = KCl2 + H2 =>
K + 2 HCl = KCl2 + H2
CH4 + O2 = CO4 + H2O =>
CH4 + 3 O2 = CO4 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/11/15
Équations équilibrées sur01/10/15
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