| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + Fe2O3 = Al2O3 + 2 Fe
Mg(NO3)2(aq) + H2SO4(aq) = Mg(SO4) + HNO3 =>
Mg(NO3)2(aq) + H2SO4(aq) = Mg(SO4) + 2 HNO3
Al(OH)3 + C2H4O2 = Al(CH3CO2)3 + H2O =>
Al(OH)3 + 3 C2H4O2 = Al(CH3CO2)3 + 3 H2O
HBr + Ca(OH)2 = H3O2BrCa =>
HBr + Ca(OH)2 = H3O2BrCa
Zn(OH)2 + KNO3 = Zn(NO3)2 + KOH =>
Zn(OH)2 + 2 KNO3 = Zn(NO3)2 + 2 KOH
Ga + H2O + NaOH = Na3Ga(OH)6 + H2 =>
2 Ga + 6 H2O + 6 NaOH = 2 Na3Ga(OH)6 + 3 H2
HgS + CaO = Hg + CaS + CaSO4 =>
4 HgS + 4 CaO = 4 Hg + 3 CaS + CaSO4
I2NaI = NaI3 =>
I2NaI = NaI3
C7H8 + Br2 + H2O = C7H8OH + HBr =>
2 C7H8 + Br2 + 2 H2O = 2 C7H8OH + 2 HBr
Cs + H2O = CsOH + hydrogen =>
2 Cs + 2 H2O = 2 CsOH + H2
I2 + HNO3 = HIO3 + NO2 + H2 =>
I2 + 6 HNO3 = 2 HIO3 + 6 NO2 + 2 H2
AlPO4 + H2S = Al2S3 + H3PO4 =>
2 AlPO4 + 3 H2S = Al2S3 + 2 H3PO4
HBr(aq) + RbOH(aq) = H2O(l) + RbBr(aq) =>
HBr(aq) + RbOH(aq) = H2O(l) + RbBr(aq)
C4H9Br + KCN = C5H9N + KBr =>
C4H9Br + KCN = C5H9N + KBr
K + F = KF =>
K + F = KF
CuOH = Cu2OH2O =>
2 CuOH = Cu2OH2O
Na2SO3 + K2CrO7 + H2SO4 = NaSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
9 Na2SO3 + 4 K2CrO7 + 19 H2SO4 = 18 NaSO4 + 4 K2SO4 + 2 Cr2(SO4)3 + 19 H2O
KI + Br = KBr + I =>
KI + Br = KBr + I
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
CuI2 + Ce(SO4)3{2-} + Cl{-} = Cu{2+} + ICl3 + Ce{3+} + SO4{2-} =>
CuI2 + 8 Ce(SO4)3{2-} + 6 Cl{-} = Cu{2+} + 2 ICl3 + 8 Ce{3+} + 24 SO4{2-}
NaHCO3 + H2SO4 = Na2SO4 + H(HCO3) =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H(HCO3)
MgSO4(aq) + KCl(aq) = MgCl2(aq) + K2SO4(aq) =>
MgSO4(aq) + 2 KCl(aq) = MgCl2(aq) + K2SO4(aq)
KCl + H2O = KOH + HCl =>
KCl + H2O = KOH + HCl
C6H14 + Br2 + CCl4 = BrCl + C7H14 =>
C6H14 + 2 Br2 + CCl4 = 4 BrCl + C7H14
NH4NO3 + K2CO3 = (NH4)2CO3 + KNO3 =>
2 NH4NO3 + K2CO3 = (NH4)2CO3 + 2 KNO3
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
HC2H3O2 + HCl = Cl + H2O + C2H6O =>
HC2H3O2 + 4 HCl = 4 Cl + H2O + C2H6O
Hg2 + Cu = HgCu =>
Hg2 + 2 Cu = 2 HgCu
KClO3 + HBr = Br2 + H2O + KCl =>
KClO3 + 6 HBr = 3 Br2 + 3 H2O + KCl
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
Al + MgO + O2 = MgAl2O4 =>
4 Al + 2 MgO + 3 O2 = 2 MgAl2O4
C2H5Br = C4H10 + Br =>
2 C2H5Br = C4H10 + 2 Br
Cu(s) + Cu(NH3)4Cl2(aq) + NH3(aq) = Cu(NH3)4Cl(aq) =>
Cu(s) + Cu(NH3)4Cl2(aq) + 4 NH3(aq) = 2 Cu(NH3)4Cl(aq)
MnO4{-} + Cr{3+} + H2O = Mn{2+} + Cr2O7{-2} + H{+} =>
6 MnO4{-} + 10 Cr{3+} + 11 H2O = 6 Mn{2+} + 5 Cr2O7{-2} + 22 H{+}
MgCl2 + H2O = Mg(OH)2 + H2Cl2 =>
MgCl2 + 2 H2O = Mg(OH)2 + H2Cl2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Na2SiO3 = Na + Si + O =>
Na2SiO3 = 2 Na + Si + 3 O
IO3{-} + HSO3{-} + H{+} = I2 + SO4{2{-}]+H2O =>
6 IO3{-} + 5 HSO3{-} + 21 H{+} = 3 I2 + 5 SO4{2{-}]+13H2O
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + N2O3 + H2O =>
4 FeSO4 + 2 HNO3 + 2 H2SO4 = 2 Fe2(SO4)3 + N2O3 + 3 H2O
P2 + H2 = PH3 =>
P2 + 3 H2 = 2 PH3
MgI2 + Cl2 = MgCl2 + I2 =>
MgI2 + Cl2 = MgCl2 + I2
(NH4)2(Co(SCN)4) + H2O = (Co(H2O)6)(SCN)2 + NH4SCN =>
(NH4)2(Co(SCN)4) + 6 H2O = (Co(H2O)6)(SCN)2 + 2 NH4SCN
C6H12O6 + K2Cr2O7 + HCl = C6H10O14 + KCl + CrCl3 + H2O =>
C6H12O6 + 3 K2Cr2O7 + 24 HCl = C6H10O14 + 6 KCl + 6 CrCl3 + 13 H2O
Zn + NO3{-} + OH{-} + H2O = [Zn(OH)4]{2-} + NH3 =>
4 Zn + NO3{-} + 7 OH{-} + 6 H2O = 4[Zn(OH)4]{2-} + NH3
CH3CH2CH2OH + H2O = CH3CH2CH2OOH + H2 =>
CH3CH2CH2OH + H2O = CH3CH2CH2OOH + H2
CaS + H2O = CaSO4 + H2 =>
CaS + 4 H2O = CaSO4 + 4 H2
MgS + Na2(CO3) = Mg(CO3) + S(Na)2 =>
MgS + Na2(CO3) = Mg(CO3) + S(Na)2
Fe + N2 = FeN =>
2 Fe + N2 = 2 FeN
CO2 + CuO = Cu2C + O2 =>
CO2 + 2 CuO = Cu2C + 2 O2
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Équations équilibrées sur12/10/24
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