| Équations équilibrées la veille | Équations équilibrées le lendemain |
CuS(s) + 2 HNO3(aq) = Cu(NO3)2(aq) + H2S(g)
Pb(OH)2 + H2SO4 = PbSO4 + H2O =>
Pb(OH)2 + H2SO4 = PbSO4 + 2 H2O
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
As + S = As2S5 =>
2 As + 5 S = As2S5
CrCl3 = Cr + Cl2 =>
2 CrCl3 = 2 Cr + 3 Cl2
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
NaCl + HgNO3 = NaNO3 + HgCl =>
NaCl + HgNO3 = NaNO3 + HgCl
KO2 + H2O + CO2 = KHCO3 + O2 =>
4 KO2 + 2 H2O + 4 CO2 = 4 KHCO3 + 3 O2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Pb + O2 = Pb2O4 =>
2 Pb + 2 O2 = Pb2O4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
C8H8O3 + C7H9N = C15H15O2N + H2O =>
C8H8O3 + C7H9N = C15H15O2N + H2O
Fe3 + O2 = Fe2O3 =>
4 Fe3 + 9 O2 = 6 Fe2O3
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Pb(NO3)2 + Na = NaNO3 + Pb =>
Pb(NO3)2 + 2 Na = 2 NaNO3 + Pb
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
RbI + Br = RbBr + I2 =>
2 RbI + 2 Br = 2 RbBr + I2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
HCl(aq) + Mg(s) = MgCl2(aq) + H2(g) =>
2 HCl(aq) + Mg(s) = MgCl2(aq) + H2(g)
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
P + Br2 = PBr5 =>
2 P + 5 Br2 = 2 PBr5
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/12/21
Équations équilibrées sur04/11/20
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