| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = 2 NaOH + H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NaClO3 + Mn = NaCl + MnO2 =>
2 NaClO3 + 3 Mn = 2 NaCl + 3 MnO2
C3H6 + C7H5O3Cl = C3H6O + C7H5O2Cl =>
C3H6 + C7H5O3Cl = C3H6O + C7H5O2Cl
C6H8O4 + H2O = C9H14O7 =>
3 C6H8O4 + 2 H2O = 2 C9H14O7
C4H10 + O6 = CO2 + H2 =>
3 C4H10 + 4 O6 = 12 CO2 + 15 H2
K2Cl2O6 + H2SO4 = KHSO4 + O2 + ClO2 + H2O =>
2 K2Cl2O6 + 4 H2SO4 = 4 KHSO4 + O2 + 4 ClO2 + 2 H2O
C2HF2 + O2 = CO2 + H2O + F2 =>
4 C2HF2 + 9 O2 = 8 CO2 + 2 H2O + 4 F2
Na3Po4 + NiCl2 = NaCl + Ni3(Po4)2 =>
2 Na3Po4 + 3 NiCl2 = 6 NaCl + Ni3(Po4)2
CoCO3H2O + C5H8O2 = Co(C5H7O2) + CO2 + H2O =>
24 CoCO3H2O + 25 C5H8O2 = 24 Co(C5H7O2) + 29 CO2 + 40 H2O
H2O = (H)2 + (O)2 =>
2 H2O = 2(H)2 + (O)2
C12H22O5 + Cu(OH)2 = (C12H20O5)Cu + H2O =>
C12H22O5 + Cu(OH)2 = (C12H20O5)Cu + 2 H2O
CH3CH2OH + Ba(OH)2 = CH3CH2O + Ba + H2O =>
2 CH3CH2OH + Ba(OH)2 = 2 CH3CH2O + Ba + 2 H2O
BF3(s) + H2O(l) = HF(aq) + H3BO3 =>
BF3(s) + 3 H2O(l) = 3 HF(aq) + H3BO3
H2SO4 + Cr2O3 + O = Cr2(SO4)6HO + H2O =>
12 H2SO4 + 2 Cr2O3 + 7 O = 2 Cr2(SO4)6HO + 11 H2O
H2TeO3 + SnCl2 + HCl = Sn2Te + SnCl4 + H2O =>
H2TeO3 + 6 SnCl2 + 4 HCl = Sn2Te + 4 SnCl4 + 3 H2O
Cu + CO3 + H2O = Cu2(OH)2CO3 + CO2 =>
2 Cu + 2 CO3 + H2O = Cu2(OH)2CO3 + CO2
KAlSi3O8 + H2CO3 + H2O = Al2Si2O5(OH)4 + SiO2 + K{+} + HCO3{-} =>
2 KAlSi3O8 + 2 H2CO3 + H2O = Al2Si2O5(OH)4 + 4 SiO2 + 2 K{+} + 2 HCO3{-}
Al2(SiO3)3 + FeCl2 = AlCl3 + FeSiO3 =>
Al2(SiO3)3 + 3 FeCl2 = 2 AlCl3 + 3 FeSiO3
(NH2)2OC + H2O = NH3 + CO2 =>
(NH2)2OC + H2O = 2 NH3 + CO2
Cd(NO3)2 + (NH4)2S = CdS + NO3(NH4) =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NO3(NH4)
K + Fe(NO3)3 = KNO3 + Fe =>
3 K + Fe(NO3)3 = 3 KNO3 + Fe
Cr(HCO3)5 = Cr2(CO3)5 + CO2 + H2O =>
2 Cr(HCO3)5 = Cr2(CO3)5 + 5 CO2 + 5 H2O
C6H5OH + C6H4(CO)2O = (C6H5O)2C6H4(CO)2 + H2O =>
2 C6H5OH + C6H4(CO)2O = (C6H5O)2C6H4(CO)2 + H2O
CuCl2 + K3PO4 = CuPO4 + Cl2K3 =>
CuCl2 + K3PO4 = CuPO4 + Cl2K3
H2SO4 + Pb(C2H3O2)2 = H2SO4(C2H3O2) + Pb =>
2 H2SO4 + Pb(C2H3O2)2 = 2 H2SO4(C2H3O2) + Pb
Ca + As = Ca3As2 =>
3 Ca + 2 As = Ca3As2
Na(CO3) + HC2H3O2 = NaC2H3O2 + H2O + CO2 =>
8 Na(CO3) + 9 HC2H3O2 = 8 NaC2H3O2 + 6 H2O + 10 CO2
Li2 + H2 = LiH =>
Li2 + H2 = 2 LiH
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
C13H22O11 = C + H2O =>
C13H22O11 = 13 C + 11 H2O
Li3PO4 + CoSO4 = Li2SO4 + Co3(PO4)2 =>
2 Li3PO4 + 3 CoSO4 = 3 Li2SO4 + Co3(PO4)2
Li + HNO3 = LiNO3 + NO2 + H2O =>
Li + 2 HNO3 = LiNO3 + NO2 + H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
MnO4{-} + SO32{-} + H2O = MnO2 + SO42{-} + OH{-} =>
20 MnO4{-} + 3 SO32{-} + 10 H2O = 20 MnO2 + 3 SO42{-} + 20 OH{-}
C6H5CHO + KHSO5 = C6H5COOH + KHSO4 =>
C6H5CHO + KHSO5 = C6H5COOH + KHSO4
KOH(aq) + NiSO4(aq) = K2SO4(s) + Ni(OH)2(aq) =>
2 KOH(aq) + NiSO4(aq) = K2SO4(s) + Ni(OH)2(aq)
Ag + Ba = AgBa2 =>
Ag + 2 Ba = AgBa2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH3 =>
3(NH4)2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
HC2H3O2(aq) + LiHSO3(aq) = LiC2H3O2(aq) + H2SO3(aq) =>
HC2H3O2(aq) + LiHSO3(aq) = LiC2H3O2(aq) + H2SO3(aq)
Cr + Cu{+} = Cr{3+} + Cu =>
Cr + 3 Cu{+} = Cr{3+} + 3 Cu
C7H8O + NaOH = C7H7O + H2O + Na =>
C7H8O + NaOH = C7H7O + H2O + Na
Pb(NO3)2 + SnCl2 + NaOH = Pb + Na2[Sn(OH)6] + NaNO3 + NaCl =>
Pb(NO3)2 + SnCl2 + 6 NaOH = Pb + Na2[Sn(OH)6] + 2 NaNO3 + 2 NaCl
NO + NO2 + H2O = HNO2 =>
NO + NO2 + H2O = 2 HNO2
AgCl + NH3 = Ag(NH3)2 + Cl2 =>
2 AgCl + 4 NH3 = 2 Ag(NH3)2 + Cl2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Al + Ba(OH)2 + H2O = Ba(AlO2)2 + H2 =>
2 Al + Ba(OH)2 + 2 H2O = Ba(AlO2)2 + 3 H2
M + LX = L + MX2 =>
M + 2 LX = 2 L + MX2
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