| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 N2 + 5 O2 + 2 H2O = 4 HNO3
O10P4 + H2O = H3PO4 =>
O10P4 + 6 H2O = 4 H3PO4
Zn + HNO3 = N2O + H2O + Zn(NO3)2 =>
4 Zn + 10 HNO3 = N2O + 5 H2O + 4 Zn(NO3)2
Fe2(SO4)3 + H3PO4 = FePO4 + H2SO4 =>
Fe2(SO4)3 + 2 H3PO4 = 2 FePO4 + 3 H2SO4
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Ag{+} + CN{-} = AgCN =>
Ag{+} + CN{-} = AgCN
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
BaO2 + H2SO4 = BaSO4 + H2O2 =>
BaO2 + H2SO4 = BaSO4 + H2O2
CaO + H2CO3 = CaCO3 + H2O =>
CaO + H2CO3 = CaCO3 + H2O
Zn(OH)2 + H2CO3 = ZnCO3 + H2O =>
Zn(OH)2 + H2CO3 = ZnCO3 + 2 H2O
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 2 Na2CrO4 + 3 NaNO2 + 2 H2O
As2O3 + KMnO4 + H2SO4 = As2O5 + Mn + K2SO4 + H2O =>
7 As2O3 + 4 KMnO4 + 2 H2SO4 = 7 As2O5 + 4 Mn + 2 K2SO4 + 2 H2O
AgCN + CN{-} = [Ag(CN)2]{-} =>
AgCN + CN{-} = [Ag(CN)2]{-}
F2 + H2O = O3 + F{-} + H{+} =>
3 F2 + 3 H2O = O3 + 6 F{-} + 6 H{+}
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
UCl4(s) + U(s) = UCl3(s) =>
3 UCl4(s) + U(s) = 4 UCl3(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe(OH)3 + Na2SO4 = Fe2(SO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
KNO3(s) = K2O(s) + N2O5(g) =>
2 KNO3(s) = K2O(s) + N2O5(g)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C10H22(l) + O2(g) = CO2(g) + H2O(g) =>
2 C10H22(l) + 31 O2(g) = 20 CO2(g) + 22 H2O(g)
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
CoCl2*6H2O = Co(H2O)6 + Cl =>
CoCl2*6H2O = Co(H2O)6 + 2 Cl
As + HNO3 + H2O = H3AsO4 + NO =>
3 As + 5 HNO3 + 2 H2O = 3 H3AsO4 + 5 NO
MgCo3 + HCl = MgCl + H20 + Co2 =>
20 MgCo3 + 20 HCl = 20 MgCl + H20 + 30 Co2
Fe(CN)2 + CN{-} = [Fe(CN)6]{4-} =>
Fe(CN)2 + 4 CN{-} = [Fe(CN)6]{4-}
Fe2O3 + Ca(OH)2 = Ca(FeO2)2 + H2O =>
Fe2O3 + Ca(OH)2 = Ca(FeO2)2 + H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CuCN + CN{-} = [Cu(CN)4]{3-} =>
CuCN + 3 CN{-} = [Cu(CN)4]{3-}
CaHPO4 + CaSO4 + NH3 = Ca3(PO4)2 + (NH4)2SO4 =>
2 CaHPO4 + CaSO4 + 2 NH3 = Ca3(PO4)2 + (NH4)2SO4
Na + Cl = NaCl =>
Na + Cl = NaCl
BaCl + Na2SO4 = Ba2SO4 + NaCl =>
2 BaCl + Na2SO4 = Ba2SO4 + 2 NaCl
C5H12O + N2 = C5H5N + NH3 + H2O =>
3 C5H12O + 4 N2 = 3 C5H5N + 5 NH3 + 3 H2O
Mg + HCI = MgCI + H2 =>
2 Mg + 2 HCI = 2 MgCI + H2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu{2+} + CN{-} = CuCN + (CN)2 =>
2 Cu{2+} + 4 CN{-} = 2 CuCN + (CN)2
Zn + HNO3 = Zn(NO3)2 + H2O + NO =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 4 H2O + 2 NO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Ca(H2PO4)2 + NaOH = NaH2PO4 + Ca(OH)2 =>
Ca(H2PO4)2 + 2 NaOH = 2 NaH2PO4 + Ca(OH)2
Zn + CH3COOH = Zn(CH3COO)2 + H2 =>
Zn + 2 CH3COOH = Zn(CH3COO)2 + H2
CdS(ag) + NaOH(ag) = CdOH(s) + NaS(ag) =>
CdS(ag) + NaOH(ag) = CdOH(s) + NaS(ag)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
(RCOO)3C2H5 + H2O = RCOOH + C2H5(OH)3 =>
(RCOO)3C2H5 + 3 H2O = 3 RCOOH + C2H5(OH)3
CO2 + H2 = C8H18 + H2O =>
8 CO2 + 25 H2 = C8H18 + 16 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/14/14
Équations équilibrées sur04/13/13
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