| Équations équilibrées la veille |
Mg2 + 4 CuSO4 = 4 Cu + 2 Mg(SO4)2
C6H6 + Cl2 = C2 + HCl =>
C6H6 + 3 Cl2 = 3 C2 + 6 HCl
C8H16 + H2S + S2 = C24H50S8 =>
6 C8H16 + 2 H2S + 7 S2 = 2 C24H50S8
SO2 + O3 + I2 = SO3I3 =>
6 SO2 + 2 O3 + 9 I2 = 6 SO3I3
H3O{+} + OH{-} = H2O =>
H3O{+} + OH{-} = 2 H2O
MgF2 + CaO = MgO + CaF2 =>
MgF2 + CaO = MgO + CaF2
Cu(NO3)2H2O = Cu(NO3)2 + H2O =>
Cu(NO3)2H2O = Cu(NO3)2 + H2O
C2H5HSO4 + H2O = CH3CH2OH + H2SO4 =>
C2H5HSO4 + H2O = CH3CH2OH + H2SO4
Ag2S(s) + Al(s) + H2O = Ag(s) + Al2O3(s) + H2S(aq) =>
3 Ag2S(s) + 2 Al(s) + 3 H2O = 6 Ag(s) + Al2O3(s) + 3 H2S(aq)
KN3 + H2O = HN3 + KOH =>
KN3 + H2O = HN3 + KOH
HCl + Zn + O2 = ZnCl2 + H2O =>
4 HCl + 2 Zn + O2 = 2 ZnCl2 + 2 H2O
FeCr2O4 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
Ba + NiSO4 = BaSO4 + Ni =>
Ba + NiSO4 = BaSO4 + Ni
C6H12O2(g) + O2(g) = CO2(g) + H2O(l) =>
C6H12O2(g) + 8 O2(g) = 6 CO2(g) + 6 H2O(l)
HC3H5O3 + NaHCO3 = H2CO3 + NaC3H5O3 =>
HC3H5O3 + NaHCO3 = H2CO3 + NaC3H5O3
(CH3)2CHCH2CH3 + O2 = CO2 + H2O =>
(CH3)2CHCH2CH3 + 8 O2 = 5 CO2 + 6 H2O
BrCl5 + H2O = BrOCl3 + HCl =>
BrCl5 + H2O = BrOCl3 + 2 HCl
K2Cr2O7 + CrSO4 + H2SO4 = H2O + Cr2(SO4)3 + K2SO4 =>
K2Cr2O7 + 6 CrSO4 + 7 H2SO4 = 7 H2O + 4 Cr2(SO4)3 + K2SO4
NaHCO3 + C2H2O4 = C2HO4Na + CO2 + H2O =>
NaHCO3 + C2H2O4 = C2HO4Na + CO2 + H2O
FeS + KOH = K2S + Fe(OH)2 =>
FeS + 2 KOH = K2S + Fe(OH)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HgS + O2 = HgO + S8 =>
8 HgS + 4 O2 = 8 HgO + S8
BF3 = B2F6 =>
2 BF3 = B2F6
FeOHCl + HOH = Fe(OH)2 + HCl =>
FeOHCl + HOH = Fe(OH)2 + HCl
Potassiumhydroxide + aluminum + water = KAl(OH)4 + hydrogen =>
2 KOH + 2 Al + 6 H2O = 2 KAl(OH)4 + 3 H2
Zn + JeCe3 = Je + ZnCe2 =>
3 Zn + 2 JeCe3 = 2 Je + 3 ZnCe2
ZnO + Cu{2+} = CuO + Zn{2+} =>
ZnO + Cu{2+} = CuO + Zn{2+}
Zn + HNO3 = ZnNO32 + N2O + H2O =>
8 Zn + 126 HNO3 = 8 ZnNO32 + 59 N2O + 63 H2O
CoO2 = Co + O =>
CoO2 = Co + 2 O
Fe3O2 + carbon = iron + carbonmonoxide =>
Fe3O2 + 2 C = 3 Fe + 2 CO
Fe + Cu(SO4) = Fe2(SO4)3 + Cu(s) =>
2 Fe + 3 Cu(SO4) = Fe2(SO4)3 + 3 Cu(s)
Fe{+2} + OH{-} = Fe(OH)2 =>
Fe{+2} + 2 OH{-} = Fe(OH)2
H2SO4 = H2O + O2 + SO2 =>
2 H2SO4 = 2 H2O + O2 + 2 SO2
Fe(CN)10{-3} + Cr2O7{-2} + H{+} = Fe{+3} + Cr{+3} + CO2 + NO3{-} + H2O =>
Fe(CN)10{-3} + 16 Cr2O7{-2} + 124 H{+} = Fe{+3} + 32 Cr{+3} + 10 CO2 + 10 NO3{-} + 62 H2O
Na + Fe(III)F = Fe(III) + NaF =>
Na + Fe(III)F = Fe(III) + NaF
Na3[Au(S2O3)2] + Na2S = Na2S2O3 + Au2S =>
2 Na3[Au(S2O3)2] + Na2S = 4 Na2S2O3 + Au2S
Na2(Zn(OH)4) + ZnCl2 = Zn(OH)2 + NaCl =>
Na2(Zn(OH)4) + ZnCl2 = 2 Zn(OH)2 + 2 NaCl
C3H5(NO3)3 = N2(g) + O2(g) + H2O(g) + C2(g) =>
4 C3H5(NO3)3 = 6 N2(g) + 13 O2(g) + 10 H2O(g) + 6 C2(g)
Al + FeO = Al2O3 + Fe6 =>
4 Al + 6 FeO = 2 Al2O3 + Fe6
C8H16 + HBr = C8H16Br + H =>
C8H16 + HBr = C8H16Br + H
C2H4O3 + H2O = C2H4O2 + H2O2 =>
C2H4O3 + H2O = C2H4O2 + H2O2
N2H4 + KMnO4 + H2SO4 = N2 + MnSO4 + K2O + H2O =>
5 N2H4 + 4 KMnO4 + 4 H2SO4 = 5 N2 + 4 MnSO4 + 2 K2O + 14 H2O
BaCl2(aq) + NaOH(aq) = Ba(OH)2 + Na(Cl) =>
BaCl2(aq) + 2 NaOH(aq) = Ba(OH)2 + 2 Na(Cl)
Cr3(SO3)3 + H2SO4 = Cr2SO4 + HSO3 =>
2 Cr3(SO3)3 + 3 H2SO4 = 3 Cr2SO4 + 6 HSO3
AgNO3(aq) + NaS2(aq) = AgS2(s) + NaNO3(aq) =>
AgNO3(aq) + NaS2(aq) = AgS2(s) + NaNO3(aq)
Ba(OH)2(s) + HCl(aq) = BaCl2(s) + H2O(l) =>
Ba(OH)2(s) + 2 HCl(aq) = BaCl2(s) + 2 H2O(l)
FeCO3 + HBr = FeBr2 + H2O + CO2 =>
FeCO3 + 2 HBr = FeBr2 + H2O + CO2
Al + HCO3 = Al(OH)3 + CO2 =>
Al + 3 HCO3 = Al(OH)3 + 3 CO2
Ag3PO4 + Cu = CuPO4 + Ag =>
Ag3PO4 + Cu = CuPO4 + 3 Ag
C2H4 + Cl2 = CCl + H =>
C2H4 + Cl2 = 2 CCl + 4 H
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