| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeS + 2 HCl = FeCl2 + H2S
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
H2SO4 + CuO = CuSO4 + H2O =>
H2SO4 + CuO = CuSO4 + H2O
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C6H5CH3 + O2 = CO2 + H2O =>
C6H5CH3 + 9 O2 = 7 CO2 + 4 H2O
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
[Cu(H2O)6]{2+} + OH{-} = Cu(OH)2 + H2O =>
[Cu(H2O)6]{2+} + 2 OH{-} = Cu(OH)2 + 6 H2O
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Na2S + Cr(NO3)3 = Cr2S3 + NaNO3 =>
3 Na2S + 2 Cr(NO3)3 = Cr2S3 + 6 NaNO3
Cu + AgNO3 = Ag + Cu(NO3) =>
Cu + AgNO3 = Ag + Cu(NO3)
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
CaI2 + HgNO3 = Ca(NO3) + HgI2 =>
CaI2 + HgNO3 = Ca(NO3) + HgI2
Fe(NO3)3 + NaOH = FeOH + Na(NO3)3 =>
Fe(NO3)3 + NaOH = FeOH + Na(NO3)3
Cu2 + O2 = CuO =>
Cu2 + O2 = 2 CuO
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H20 =>
5 Cr2O3 + 5 KNO3 + 20 KOH = 10 K2CrO4 + 5 KNO2 + H20
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cr2O7{-2} + H{+} + {-} = Cr{+2} + H2O =>
Cr2O7{-2} + 14 H{+} + 8e = 2 Cr{+2} + 7 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+} + H2O =>
Cr2O7{-2} + 14 H{+} + 10e = 2 Cr{+} + 7 H2O
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
Cr2O7{-2} + H{+} + {-} = Cr + H2O =>
Cr2O7{-2} + 14 H{+} + 12e = 2 Cr + 7 H2O
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Sb2 + Cl2 = SbCl3 =>
Sb2 + 3 Cl2 = 2 SbCl3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
H2SO4 + K2CO3 = H2CO3 + K2SO4 =>
H2SO4 + K2CO3 = H2CO3 + K2SO4
Ba(ClO3)2 = BaCl2 + O2 =>
Ba(ClO3)2 = BaCl2 + 3 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
KOH + HI = KI + H2O =>
KOH + HI = KI + H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
HCl + Na2CO3 = H2CO3 + NaCl =>
2 HCl + Na2CO3 = H2CO3 + 2 NaCl
Na2CO3 + Fe(NO3)3 = Na2(NO3)3 + FeCO3 =>
Na2CO3 + Fe(NO3)3 = Na2(NO3)3 + FeCO3
Ca(OH)2 + H3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3(PO4)2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
Na2CO3 + Fe(NO3)3 = Na2(NO3)3 + FeCO3 =>
Na2CO3 + Fe(NO3)3 = Na2(NO3)3 + FeCO3
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/27/13
Équations équilibrées sur02/26/12
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