| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + Mg(SO4) = Mg(OH)2 + Na2(SO4)
NH3 + Br2 = NH4Br + N2H4 =>
4 NH3 + Br2 = 2 NH4Br + N2H4
Sb2S3 + CO3{2-} + C = Sb + S{2-} + CO =>
Sb2S3 + 3 CO3{2-} + 6 C = 2 Sb + 3 S{2-} + 9 CO
Al + (HCl) = AlHCl =>
Al + (HCl) = AlHCl
H4As2O5 + Co(OH)2 = Co(H3As2O5)2 + H2O =>
2 H4As2O5 + Co(OH)2 = Co(H3As2O5)2 + 2 H2O
CH3COOH + NaHCHO3 = NaC2H3O2 + H2O + CO2 =>
7 CH3COOH + 8 NaHCHO3 = 8 NaC2H3O2 + 10 H2O + 6 CO2
CaBr + AgNO3 = CaNO3 + AgBr =>
CaBr + AgNO3 = CaNO3 + AgBr
NaClO + Na2S + H2SO4 = HCl + Na2SO4 =>
4 NaClO + Na2S + 2 H2SO4 = 4 HCl + 3 Na2SO4
Ca(OH)2(aq) + Mg(HCO3)2(aq) = Mg(OH)2(s) + Ca(HCO3)2(aq) =>
Ca(OH)2(aq) + Mg(HCO3)2(aq) = Mg(OH)2(s) + Ca(HCO3)2(aq)
Na2CO3 + Ni(OH)2 + O2 = NaNiO2 + H2O + CO2 =>
2 Na2CO3 + 4 Ni(OH)2 + O2 = 4 NaNiO2 + 4 H2O + 2 CO2
Na + SO3 + HCl = H2SO3 + NaCl =>
2 Na + SO3 + 2 HCl = H2SO3 + 2 NaCl
CrO(s) + C(s) = Cr(s) + CO2(g) =>
2 CrO(s) + C(s) = 2 Cr(s) + CO2(g)
C9H8O4 + NaHCO3 = NaC9H7O4 + CO2 + H2O =>
C9H8O4 + NaHCO3 = NaC9H7O4 + CO2 + H2O
Na2CO2 + HNO3 = NaNO3 + CO2 + H2 =>
Na2CO2 + 2 HNO3 = 2 NaNO3 + CO2 + H2
(C4H10O)5 + (O2)10 = (CO2)20 + (H2O)25 =>
(C4H10O)5 + 3(O2)10 = (CO2)20 + (H2O)25
Mg(NO3)2 + NaOH = Mg(OH)2(s) + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2(s) + 2 NaNO3
C4H9OH + Na2Cr2O7 = C3H8CO + Na2Cr2 + H2O =>
7 C4H9OH + Na2Cr2O7 = 7 C3H8CO + Na2Cr2 + 7 H2O
SCN{-} + H2O2 = OSCN{-} + H2O =>
SCN{-} + H2O2 = OSCN{-} + H2O
NaBr + KClO3 = NaClO3 + KBr =>
NaBr + KClO3 = NaClO3 + KBr
AgCl(s) + NH4OH(aq) = NH4Cl(aq) + AgOH(aq) =>
AgCl(s) + NH4OH(aq) = NH4Cl(aq) + AgOH(aq)
C5H8OH + O2 = CO2 + H2O =>
4 C5H8OH + 27 O2 = 20 CO2 + 18 H2O
Al2(CO3)3 + Mg3(PO4)2 = Al(PO4) + Mg(CO3) =>
Al2(CO3)3 + Mg3(PO4)2 = 2 Al(PO4) + 3 Mg(CO3)
CN{-} + OCl{-} + H2O = N2 + HCO3{-} + Cl{-} =>
2 CN{-} + 5 OCl{-} + H2O = N2 + 2 HCO3{-} + 5 Cl{-}
Co(OH)3 + Na2CO3 = Co2(CO3)3 + NaOH =>
2 Co(OH)3 + 3 Na2CO3 = Co2(CO3)3 + 6 NaOH
Mg + H3BO3 = MgBO2 + H2 + H2O =>
2 Mg + 2 H3BO3 = 2 MgBO2 + H2 + 2 H2O
KClO4 + HCl = KCl + HClO4 =>
KClO4 + HCl = KCl + HClO4
MnSO4 + NaOH + Br2 = MnO2 + NaBr + Na2SO4 + H2O =>
MnSO4 + 4 NaOH + Br2 = MnO2 + 2 NaBr + Na2SO4 + 2 H2O
H{+} + NO3{-} + Cu = Cu{+} + NO2 + H2O =>
2 H{+} + NO3{-} + Cu = Cu{+} + NO2 + H2O
C6H14(g) + O2(l) = CO2(g) + H2O(l) =>
2 C6H14(g) + 19 O2(l) = 12 CO2(g) + 14 H2O(l)
Mn(NO3)2(aq) + NaOH(aq) = Mn(OH)2 + NaNO3(aq) =>
Mn(NO3)2(aq) + 2 NaOH(aq) = Mn(OH)2 + 2 NaNO3(aq)
Fe + {2+} = Fe{3+}O{4+} =>
2 Fe + 3{2+} = 2 Fe{3+}O{4+}
K(MnO4) + H2 = K2O + H2O + MnO2 =>
2 K(MnO4) + 3 H2 = K2O + 3 H2O + 2 MnO2
Na2CO3 + H2O = CO2 + H2ONa2O =>
Na2CO3 + H2O = CO2 + H2ONa2O
NaI + ClH2O = NaCl + I + H2O =>
NaI + ClH2O = NaCl + I + H2O
CoCl2H12O6 + NH4Cl + NH4OH + H2O2 = Co(NH3)6Cl3 + H2O =>
2 CoCl2H12O6 + 2 NH4Cl + 10 NH4OH + H2O2 = 2 Co(NH3)6Cl3 + 24 H2O
Na + H2O = H2 + (NaOH) =>
2 Na + 2 H2O = H2 + 2(NaOH)
NH4HCO3 + Ba(OH)2 = BaCO3 + NH3 + H2O =>
NH4HCO3 + Ba(OH)2 = BaCO3 + NH3 + 2 H2O
K2SiO3 + Na3PO4 = K3PO4 + Na2SiO3 =>
3 K2SiO3 + 2 Na3PO4 = 2 K3PO4 + 3 Na2SiO3
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
C6H5NH2 + HNO3 = C6H5NHNO2 + H2O =>
C6H5NH2 + HNO3 = C6H5NHNO2 + H2O
Fe2(SO4)3(aq) + BaCl2(aq) = BaSO4(aq) + FeCl3(aq) =>
Fe2(SO4)3(aq) + 3 BaCl2(aq) = 3 BaSO4(aq) + 2 FeCl3(aq)
Mg + O = MgO =>
Mg + O = MgO
Au + H2SO4 + Na2SO4 = Au2(SO4)3 + Na2SO3 + H2O =>
2 Au + 3 H2SO4 + 3 Na2SO4 = Au2(SO4)3 + 3 Na2SO3 + 3 H2O
Mg + O = MgO =>
Mg + O = MgO
(NH4)2S + HCl = (NH4)2Cl + SH =>
(NH4)2S + HCl = (NH4)2Cl + SH
AtH3 + KO2 + SF6 = AtF + K2O + H2O + SF4 =>
2 AtH3 + 2 KO2 + SF6 = 2 AtF + K2O + 3 H2O + SF4
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
AuPO4 + Ba = Ba3(PO4)2 + Au =>
2 AuPO4 + 3 Ba = Ba3(PO4)2 + 2 Au
SrO + Gd2O3 + CoO + ReO2 + O2 = SrGdCoReO6 =>
4 SrO + 2 Gd2O3 + 4 CoO + 4 ReO2 + O2 = 4 SrGdCoReO6
MnC2O4 + K2C2O4 + KMnO4 + H2O = K3Mn(C2O4)3 + KOH =>
4 MnC2O4 + 11 K2C2O4 + KMnO4 + 4 H2O = 5 K3Mn(C2O4)3 + 8 KOH
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Équations équilibrées sur04/21/25
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