| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + H2So4 = Na2So4 + 2 H2O
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Pb + Fe(NO3)23 = Pb(NO3)2 + Fe =>
23 Pb + 2 Fe(NO3)23 = 23 Pb(NO3)2 + 2 Fe
SnCl4 + NH3 = SnCl3 + HCl + N2 =>
6 SnCl4 + 2 NH3 = 6 SnCl3 + 6 HCl + N2
C + O = C2O3 =>
2 C + 3 O = C2O3
C4H9COOH + Na2CO3 = C4H9COONa + CO2 + H2O =>
2 C4H9COOH + Na2CO3 = 2 C4H9COONa + CO2 + H2O
C + O = C2O3 =>
2 C + 3 O = C2O3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Al(s) + CuSO4(aq) = Cu(s) + Al2(SO4)3(aq) =>
2 Al(s) + 3 CuSO4(aq) = 3 Cu(s) + Al2(SO4)3(aq)
Pb + Fe(NO3)2 = Pb(NO3)2 + Fe =>
Pb + Fe(NO3)2 = Pb(NO3)2 + Fe
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Ca + N2 = CaN2 =>
Ca + N2 = CaN2
C4H9COOH + Na2CO3 = C4H9COONa + CO2 + H2O =>
2 C4H9COOH + Na2CO3 = 2 C4H9COONa + CO2 + H2O
Pb + Fe(NO3)3 = Pb(NO3)2 + Fe =>
3 Pb + 2 Fe(NO3)3 = 3 Pb(NO3)2 + 2 Fe
C4H9COOH + Na2CO3 = C4H9COONa + CO2 + H2O =>
2 C4H9COOH + Na2CO3 = 2 C4H9COONa + CO2 + H2O
C6H14O + O2 = CO2 + H2O =>
C6H14O + 9 O2 = 6 CO2 + 7 H2O
Cu(s) + HNO3(aq) + O2(g) = Cu(NO3)2(aq) + H2O(l) =>
2 Cu(s) + 4 HNO3(aq) + O2(g) = 2 Cu(NO3)2(aq) + 2 H2O(l)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
NH4ClO4 = H2O + N2 + Cl2 + O2 =>
2 NH4ClO4 = 4 H2O + N2 + Cl2 + 2 O2
C2H4(s) + O2(g) = CO2(g) + H2O(g) =>
C2H4(s) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
Cu(s) + HNO3(aq) + O2(g) = Cu(NO3)2(aq) + H2O(l) =>
2 Cu(s) + 4 HNO3(aq) + O2(g) = 2 Cu(NO3)2(aq) + 2 H2O(l)
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu(s) + HNO3(aq) + O2(g) = Cu(NO3)2(aq) + H2O(l) =>
2 Cu(s) + 4 HNO3(aq) + O2(g) = 2 Cu(NO3)2(aq) + 2 H2O(l)
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C6H14O + O2 = CO2 + H2O =>
C6H14O + 9 O2 = 6 CO2 + 7 H2O
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
Cu(s) + HNO3(aq) + O2(g) = Cu(NO3)2(aq) + H2O(l) =>
2 Cu(s) + 4 HNO3(aq) + O2(g) = 2 Cu(NO3)2(aq) + 2 H2O(l)
Na2CO3(aq) + HCl(aq) = NaCl(aq) + H2CO3(aq) =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2CO3(aq)
MnO2 + Na2CO3 + KClO3 = NaMnO4 + CO2 + KCl =>
2 MnO2 + Na2CO3 + KClO3 = 2 NaMnO4 + CO2 + KCl
H + O = H2O4 =>
2 H + 4 O = H2O4
Cu(s) + HNO3(aq) + O2(g) = Cu(NO3)2(aq) + H2O(l) =>
2 Cu(s) + 4 HNO3(aq) + O2(g) = 2 Cu(NO3)2(aq) + 2 H2O(l)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2 + Cu =>
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2 + Cu
H2So4(aq) + NaOH(aq) = Na2So4(aq) + H2O(l) =>
H2So4(aq) + 2 NaOH(aq) = Na2So4(aq) + 2 H2O(l)
MnO4 + NO2 = Mn + NO3 =>
MnO4 + 4 NO2 = Mn + 4 NO3
HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O
K2Cr2O7 + H2O + S = SO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 KOH + 2 Cr2O3
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2 + Cu =>
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2 + Cu
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H2CO3(aq) = H2O(l) + CO2(g) =>
H2CO3(aq) = H2O(l) + CO2(g)
Na + O2 = Na2O3 =>
4 Na + 3 O2 = 2 Na2O3
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
As2O3 + H2S = As2S3 + H2O =>
As2O3 + 3 H2S = As2S3 + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C2H2 + H2 = C2H4 =>
C2H2 + H2 = C2H4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/12/18
Équations équilibrées sur07/12/17
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