| Équations équilibrées la veille | Équations équilibrées le lendemain |
24 NaNO3 + 16 NaOH + S8 = 24 NaNO2 + 8 Na2SO4 + 8 H2O
HCl + Ca3(CO2)2 = H3CO2 + CaCl2 =>
6 HCl + Ca3(CO2)2 = 2 H3CO2 + 3 CaCl2
Fe + P = Fe3P7 =>
3 Fe + 7 P = Fe3P7
(NH4)2S(aq) + HCl(aq) = (NH4)Cl + H2S =>
(NH4)2S(aq) + 2 HCl(aq) = 2(NH4)Cl + H2S
FeCl2 + HI = FeI2 + HCl =>
FeCl2 + 2 HI = FeI2 + 2 HCl
Al(s) + NaOH(s) + H2O = NaAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 NaOH(s) + 6 H2O = 2 NaAl(OH)4(aq) + 3 H2(g)
H2S + O2 = H20S + SO2 =>
10 H2S + 9 O2 = H20S + 9 SO2
H2O + Na2O = NaH + O2 =>
H2O + Na2O = 2 NaH + O2
(NH4)2S(aq) + HCl(aq) = (NH4)2Cl + HS =>
(NH4)2S(aq) + HCl(aq) = (NH4)2Cl + HS
Cu2S + H2SO4 = CuS + CuSO4 + H2O =>
4 Cu2S + 4 H2SO4 = 5 CuS + 3 CuSO4 + 4 H2O
Ca(NO3)2 + K2(SO4) = Ca(SO4) + K(NO3) =>
Ca(NO3)2 + K2(SO4) = Ca(SO4) + 2 K(NO3)
NH3 + Cl2 = NCl3 + HCl =>
NH3 + 3 Cl2 = NCl3 + 3 HCl
CHCl3 = Cl + CH =>
CHCl3 = 3 Cl + CH
NaHCO3(s) + H3PO4(aq) = Na3PO4 + H2O + CO2 =>
3 NaHCO3(s) + H3PO4(aq) = Na3PO4 + 3 H2O + 3 CO2
Fe{3+} + Cl{-} = Fe{2+} + Cl =>
Fe{3+} + Cl{-} = Fe{2+} + Cl
Al + MnO4{-} + H2O = MnO2 + Al(OH)4{-} =>
Al + MnO4{-} + 2 H2O = MnO2 + Al(OH)4{-}
H2O(g) + Cs = CsOH(s) + H2 =>
2 H2O(g) + 2 Cs = 2 CsOH(s) + H2
CO2 + HOH = H2CO3 =>
CO2 + HOH = H2CO3
C2H5OH + C21H30O2 = C23H36O3 =>
C2H5OH + C21H30O2 = C23H36O3
S2 + CS2 = CS4 =>
S2 + CS2 = CS4
Al + ZiBr2 = AlBr3 + Zi =>
2 Al + 3 ZiBr2 = 2 AlBr3 + 3 Zi
H2SO4 = H(aq) + SO4(aq) =>
H2SO4 = 2 H(aq) + SO4(aq)
Cu2O + Na2Cr2O7 + H2O = CuO + Cr(OH)3 + NaOH =>
3 Cu2O + Na2Cr2O7 + 4 H2O = 6 CuO + 2 Cr(OH)3 + 2 NaOH
HC + (OH)2 = CO + H2 =>
2 HC + (OH)2 = 2 CO + 2 H2
Ca(s) + Zn(NO3)2(aq) = Ca(NO3)2 + Zn =>
Ca(s) + Zn(NO3)2(aq) = Ca(NO3)2 + Zn
HCl + CaCO{3} = HCO{3} + CaCl =>
HCl + CaCO{3} = HCO{3} + CaCl
(C)2(H)6 + (O)2 = (CO)2 + (H)2O =>
2(C)2(H)6 + 5(O)2 = 2(CO)2 + 6(H)2O
(NH4)2S + KMnO4 = MnO2 + KOH + K2SO4 + NO + H2O =>
(NH4)2S + 6 KMnO4 = 6 MnO2 + 4 KOH + K2SO4 + 2 NO + 2 H2O
F2(g) + NaBr(aq) = NaF(aq) + Br2(g) =>
F2(g) + 2 NaBr(aq) = 2 NaF(aq) + Br2(g)
Fe2(SO4)3 + Pb = Pb(SO4)2 + Fe =>
2 Fe2(SO4)3 + 3 Pb = 3 Pb(SO4)2 + 4 Fe
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
HNO3 + ZnCO3 = CO2 + H2O + Zn(NO3)2 =>
2 HNO3 + ZnCO3 = CO2 + H2O + Zn(NO3)2
Fe(s) + H2O(g) = Fe3O4(g) + H2(s) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(g) + 4 H2(s)
Zm + MnO2 = ZmO + Mn2O3 =>
Zm + 2 MnO2 = ZmO + Mn2O3
Na2SnO2 + HNO3 = Sn(OH)2 + NaNO3 =>
Na2SnO2 + 2 HNO3 = Sn(OH)2 + 2 NaNO3
(NH4)2[SnCl6] + NaOH = NH3 + Na2[Sn(OH)6] + NaCl + H2O =>
(NH4)2[SnCl6] + 8 NaOH = 2 NH3 + Na2[Sn(OH)6] + 6 NaCl + 2 H2O
KClO3 + HBr(aq) = Br2 + H2O + KCl =>
KClO3 + 6 HBr(aq) = 3 Br2 + 3 H2O + KCl
CuSO4 + BaCl2 = CuCl2 + Ba + SO4 =>
CuSO4 + BaCl2 = CuCl2 + Ba + SO4
NaN + CuCl{2} = NaCl{2} + NCu =>
NaN + CuCl{2} = NaCl{2} + NCu
Al + ZnBr = Zn + BrAl =>
Al + ZnBr = Zn + BrAl
FeTiO3 + C + Cl2 = FeCl3 + TiCl3 + CO =>
FeTiO3 + 3 C + 3 Cl2 = FeCl3 + TiCl3 + 3 CO
N2O3 + H2O = NH2 + O2 =>
2 N2O3 + 4 H2O = 4 NH2 + 5 O2
Ca3(PO4)2 + H2SO4(aq) = CaSO4 + H3PO4(aq) =>
Ca3(PO4)2 + 3 H2SO4(aq) = 3 CaSO4 + 2 H3PO4(aq)
Mg + (PO4) = MgPO4 =>
Mg + (PO4) = MgPO4
zinc + O2 = zincoxide =>
2 Zn + O2 = 2 ZnO
NiCl2(aq) + H2(g) = Ni(s) + HCl(aq) =>
NiCl2(aq) + H2(g) = Ni(s) + 2 HCl(aq)
NaOH(aq) + (NH4)2CO3(aq) = H2O + NH3 + Na2CO3 =>
2 NaOH(aq) + (NH4)2CO3(aq) = 2 H2O + 2 NH3 + Na2CO3
MnO2 + ClO3{-} + OH{-} = MnO4{-} + Cl{-} + H2O =>
2 MnO2 + ClO3{-} + 2 OH{-} = 2 MnO4{-} + Cl{-} + H2O
HNO3 + (NH4)2CO3 = H2O + CO + NH4NO3 =>
6 HNO3 + 4(NH4)2CO3 = 5 H2O + 4 CO + 7 NH4NO3
Na + I = NaI =>
Na + I = NaI
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/07/25
Équations équilibrées sur04/06/24
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