| Équations équilibrées la veille |
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Au + FeBr2 = Fe + AuBr3 =>
2 Au + 3 FeBr2 = 3 Fe + 2 AuBr3
CH3CH(OH)CH2CH3 = CH3CH2OCH2CH3 =>
CH3CH(OH)CH2CH3 = CH3CH2OCH2CH3
Na2Co3 + BaCl2 = BaCo3 + NaCl =>
Na2Co3 + BaCl2 = BaCo3 + 2 NaCl
Sn(HCO3)2 + H3PO4 = Sn3(PO4)2 + H2O + CO2 =>
3 Sn(HCO3)2 + 2 H3PO4 = Sn3(PO4)2 + 6 H2O + 6 CO2
P + C = PC15 =>
P + 15 C = PC15
Pb(NO3)2 + H2SO4 = Pb(SO4)2 + H2NO3 =>
Pb(NO3)2 + 2 H2SO4 = Pb(SO4)2 + 2 H2NO3
N2H4(l) = NH3(g) + N2(g) =>
3 N2H4(l) = 4 NH3(g) + N2(g)
KMnO4 + H2C2H4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
14 KMnO4 + 5 H2C2H4 + 21 H2SO4 = 14 MnSO4 + 10 CO2 + 36 H2O + 7 K2SO4
H2SiF6 + NaOH = NaF + SiO2 + HF =>
H2SiF6 + 2 NaOH = 2 NaF + SiO2 + 4 HF
Co(OH)2 + NH3 = Co(NH3)6{2+} + OH{-} =>
Co(OH)2 + 6 NH3 = Co(NH3)6{2+} + 2 OH{-}
C5H4N4O3 + H2O2 = C4H6N4O3 + CO2 =>
C5H4N4O3 + H2O2 = C4H6N4O3 + CO2
FeCl2 + HCl + HNO3 = FeCl3 + NO + H2O =>
3 FeCl2 + 3 HCl + HNO3 = 3 FeCl3 + NO + 2 H2O
Al(s) + NiNO3(aq) = Al(NO3)3(s) + Ni(s) =>
Al(s) + 3 NiNO3(aq) = Al(NO3)3(s) + 3 Ni(s)
CuO + Ni = Cu + NiO =>
CuO + Ni = Cu + NiO
HNO3 + K2SiO3 = KNO3 + H2SiO3 =>
2 HNO3 + K2SiO3 = 2 KNO3 + H2SiO3
HNO3 + Mg2 = Mg(NO3)2 + H2 =>
4 HNO3 + Mg2 = 2 Mg(NO3)2 + 2 H2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Na2S2O5 + H2O = NaHSO3 =>
Na2S2O5 + H2O = 2 NaHSO3
KSCN + Y = Y(SNC)4 + K =>
4 KSCN + Y = Y(SNC)4 + 4 K
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
Na2TeO3 + NaI + HCl = NaCl + Te + H2O + I2 =>
Na2TeO3 + 4 NaI + 6 HCl = 6 NaCl + Te + 3 H2O + 2 I2
NH4NO3 + H3PO4 = NH4PO4 + NO3H3 =>
NH4NO3 + H3PO4 = NH4PO4 + NO3H3
S2 + O2 = SO2 =>
S2 + 2 O2 = 2 SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
(NH4)2Cr2O7 + PbCl2 = PbCr2O7 + NH4Cl =>
(NH4)2Cr2O7 + PbCl2 = PbCr2O7 + 2 NH4Cl
C4H8O3 + NaHCO3 = H2O + NaCO3 + C2H5 =>
C4H8O3 + 8 NaHCO3 = 3 H2O + 8 NaCO3 + 2 C2H5
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C15H17NO2 + C4H6O3 = C17H19NO3 + C2H4O2 =>
C15H17NO2 + C4H6O3 = C17H19NO3 + C2H4O2
Fe2O3 + H{+} = Fe{+3} + H2O =>
Fe2O3 + 6 H{+} = 2 Fe{+3} + 3 H2O
MgCl2 + Li3PO4 = Mg3(PO4)2 + LiCl =>
3 MgCl2 + 2 Li3PO4 = Mg3(PO4)2 + 6 LiCl
Pb0 + KMnO4 + H2SO4 = Pb(SO4)2 + MnSO4 + K2SO4 + H2O =>
5 Pb0 + 4 KMnO4 + 16 H2SO4 = 5 Pb(SO4)2 + 4 MnSO4 + 2 K2SO4 + 16 H2O
H3PO4 + Na = Na3PO4 + H2 =>
2 H3PO4 + 6 Na = 2 Na3PO4 + 3 H2
CH3Br + Br2 = CH3Br2 =>
2 CH3Br + Br2 = 2 CH3Br2
Sb + HBr = SbBr3 + H2 =>
2 Sb + 6 HBr = 2 SbBr3 + 3 H2
Cr2O3 + NaBrO3 + NaOH = Br2 + NaCrO3 + H2O =>
5 Cr2O3 + 4 NaBrO3 + 6 NaOH = 2 Br2 + 10 NaCrO3 + 3 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Ni(s) + Cu(NO3)2(aq) = Cu(s) + Ni(NO3)2(aq) =>
Ni(s) + Cu(NO3)2(aq) = Cu(s) + Ni(NO3)2(aq)
Fe2(SO4)3 + Ba(oh)2 = BaSO4 + Fe(oh)3 =>
6 Fe2(SO4)3 + 9 Ba(oh)2 = 18 BaSO4 + 4 Fe(oh)3
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
Fe2O3 + HI = FeI2 + I2 + H2O =>
Fe2O3 + 6 HI = 2 FeI2 + I2 + 3 H2O
Cu(NO)3 + NaOH = Na(NO)3 + CuOH =>
Cu(NO)3 + NaOH = Na(NO)3 + CuOH
P2O5 + Na2O + H2O = Na2HPO4 =>
P2O5 + 2 Na2O + H2O = 2 Na2HPO4
BaO + NO2 = Ba(NO3)2 + NO =>
BaO + 3 NO2 = Ba(NO3)2 + NO
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
Cu2CO3 + HCl = H2O + CO2 + CuCl =>
Cu2CO3 + 2 HCl = H2O + CO2 + 2 CuCl
Sb2S3 + OH{-} = SbS3{-3} + SbO3{-3} + H2O =>
Sb2S3 + 6 OH{-} = SbS3{-3} + SbO3{-3} + 3 H2O
KMnO4 + KI + HClO4 = Mn(ClO4)2 + KClO4 + I2 + H2O =>
2 KMnO4 + 10 KI + 16 HClO4 = 2 Mn(ClO4)2 + 12 KClO4 + 5 I2 + 8 H2O
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Équations équilibrées sur10/19/24
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