| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 2 KCl = K2 + CuCl2
NaO + CaCl = NaCl + CaO =>
NaO + CaCl = NaCl + CaO
KClO3 + HBr = Br2 + KCl + H2O =>
KClO3 + 6 HBr = 3 Br2 + KCl + 3 H2O
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
KCrO4 + NaClO + KOH = NaClO3 + K2CrO4 + H2O =>
4 KCrO4 + NaClO + 4 KOH = NaClO3 + 4 K2CrO4 + 2 H2O
Al + H{+} = Al3{+} + H2 =>
6 Al + 2 H{+} = 2 Al3{+} + H2
Al + Cu + Ca = AlCuCa =>
Al + Cu + Ca = AlCuCa
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H2O =>
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
FeCO3 + H2SO4 = Fe2(SO4)3 + H2S + CO2 + H2O =>
8 FeCO3 + 13 H2SO4 = 4 Fe2(SO4)3 + H2S + 8 CO2 + 12 H2O
NaOH + FeCl3 = NaCl + Fe(OH)2 + OH =>
3 NaOH + FeCl3 = 3 NaCl + Fe(OH)2 + OH
Al + H2S = Al2S3 + H2 =>
2 Al + 3 H2S = Al2S3 + 3 H2
Cr2O7{2-} + HNO2 + H{+} = Cr{3+} + NO3{-} + H2O =>
Cr2O7{2-} + 3 HNO2 + 5 H{+} = 2 Cr{3+} + 3 NO3{-} + 4 H2O
Ca(OH)2 + C2H2 = CaC2 + H2O =>
Ca(OH)2 + C2H2 = CaC2 + 2 H2O
X2C2 + Na + NH3 = NaNH2 + X2C2H2 =>
X2C2 + 2 Na + 2 NH3 = 2 NaNH2 + X2C2H2
MnSO4 + Br2 + K2SO4 + H2O = KMnO4 + KBr + H2SO4 =>
2 MnSO4 + 5 Br2 + 6 K2SO4 + 8 H2O = 2 KMnO4 + 10 KBr + 8 H2SO4
C5H6(l) + O2(g) = CO2(g) + H2O(l) =>
2 C5H6(l) + 13 O2(g) = 10 CO2(g) + 6 H2O(l)
Cu(OH)2 + NaCl = NaOH + Cl2 + CuOH =>
2 Cu(OH)2 + 2 NaCl = 2 NaOH + Cl2 + 2 CuOH
FrNO3 + K3PO4 = KNO3 + Fr3PO4 =>
3 FrNO3 + K3PO4 = 3 KNO3 + Fr3PO4
(CaCO3)2 + HCl = CaCl2 + H2O + CO2 =>
(CaCO3)2 + 4 HCl = 2 CaCl2 + 2 H2O + 2 CO2
PbCO3 + H2SO4 = PbSO4 + H2CO3 =>
PbCO3 + H2SO4 = PbSO4 + H2CO3
SO3 + ClO4 = SO4 + Cl =>
4 SO3 + ClO4 = 4 SO4 + Cl
CH3CH2CH2CN + NaOH + H2O = CH3CH2CH2COONa + NH3 =>
CH3CH2CH2CN + NaOH + H2O = CH3CH2CH2COONa + NH3
Mn2O3 + Al = Al2O3 + Mn =>
Mn2O3 + 2 Al = Al2O3 + 2 Mn
MnO2 + C = Mn + CO =>
MnO2 + 2 C = Mn + 2 CO
Pb2(aq) + Cl(aq) = PbCl2(s) =>
Pb2(aq) + 4 Cl(aq) = 2 PbCl2(s)
Fe(s) + H2S(g) = H2(g) + Fe2S3(l) =>
2 Fe(s) + 3 H2S(g) = 3 H2(g) + Fe2S3(l)
Fe3O4(s) + CO(g) = Fe(s) + CO2(g) =>
Fe3O4(s) + 4 CO(g) = 3 Fe(s) + 4 CO2(g)
Mn + Mn2O3 = Mn3O4 =>
Mn + 4 Mn2O3 = 3 Mn3O4
HCl + Ba(OH)2 = BaOHCl + H2O =>
HCl + Ba(OH)2 = BaOHCl + H2O
Al2O3 + Ba(OH)2 = BaO + Al(OH)3 =>
Al2O3 + 3 Ba(OH)2 = 3 BaO + 2 Al(OH)3
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
PBCO3 + H2SO4 = PBSO4 + H2O + CO2 =>
PBCO3 + H2SO4 = PBSO4 + H2O + CO2
Zn + S8(s) = ZnS =>
8 Zn + S8(s) = 8 ZnS
C8H10N4O2 + H2O = C8H10N4O2H + OH =>
C8H10N4O2 + H2O = C8H10N4O2H + OH
Cu + O = Cu2O =>
2 Cu + O = Cu2O
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
AlCl3 + SrS = Al2S3 + SrCl2 =>
2 AlCl3 + 3 SrS = Al2S3 + 3 SrCl2
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
H4P2O7 + Mg(OH)2 = Mg3(HP2O7)2 + H2O =>
2 H4P2O7 + 3 Mg(OH)2 = Mg3(HP2O7)2 + 6 H2O
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Y(NO3)3 + Eu(NO3)3 + C6H8O7H2O = Y198Eu002O3 + H2O + N2 + CO2 =>
594 Y(NO3)3 + 5.9999999999999Eu(NO3)3 + 599 C6H8O7H2O = 3 Y198Eu002O3 + 2995 H2O + 900 N2 + 3594 CO2
CH3CH3CH3COOH + NaOH = CH3CH3CH3COONa + H2O =>
CH3CH3CH3COOH + NaOH = CH3CH3CH3COONa + H2O
Zn(OH)3 + H2SO4 = Zn2(SO4)3 + H2O =>
2 Zn(OH)3 + 3 H2SO4 = Zn2(SO4)3 + 6 H2O
Cu + O = CuO2 =>
Cu + 2 O = CuO2
H2SiO4 + NaOH = Na2SiO4 + H2O =>
H2SiO4 + 2 NaOH = Na2SiO4 + 2 H2O
As2S5 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S5 + 40 HNO3 + 4 H2O = 15 H2SO4 + 6 H3AsO4 + 40 NO
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
I2 + Cl2 = ICl3 =>
I2 + 3 Cl2 = 2 ICl3
MnO7 + Cr = MnCr2O7 =>
MnO7 + 2 Cr = MnCr2O7
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Équations équilibrées sur10/19/24
Équations équilibrées sur11/18/23
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