| Équations équilibrées la veille |
(NH4)2Cr2O7(s) = N2(g) + Cr2O3(s) + 4 H2O(l)
Zn(s) + SnCl2(aq) = ZnCl2(aq) + Sn(s) =>
Zn(s) + SnCl2(aq) = ZnCl2(aq) + Sn(s)
Na2FeO4 + KI + H2SO4 = I2 + K2SO4 + Fe2(SO4)3 + NaI + H2O =>
2 Na2FeO4 + 10 KI + 8 H2SO4 = 3 I2 + 5 K2SO4 + Fe2(SO4)3 + 4 NaI + 8 H2O
C5(H2O)5 + O2 = CO2 + H2O =>
C5(H2O)5 + 5 O2 = 5 CO2 + 5 H2O
CH3COONH4 + Ba(OH)2 = (CH3COO)2Ba + NH4OH =>
2 CH3COONH4 + Ba(OH)2 = (CH3COO)2Ba + 2 NH4OH
Cu(NH3)2 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K(NH3) =>
2 Cu(NH3)2 + K4[Fe(CN)6] = Cu2Fe(CN)6 + 4 K(NH3)
HIO4 + Be(OH)2 = H2O + Be(IO4)2 =>
2 HIO4 + Be(OH)2 = 2 H2O + Be(IO4)2
NaCl + KSCN = NaK + ClSCN =>
NaCl + KSCN = NaK + ClSCN
Ca(NO2)2 + NaNO3 = NaNO2 + Ca(NO3)2 =>
Ca(NO2)2 + 2 NaNO3 = 2 NaNO2 + Ca(NO3)2
Cu(OH)2(s) + NH3(aq) = [Cu(NH3)4](OH)2(aq) =>
Cu(OH)2(s) + 4 NH3(aq) = [Cu(NH3)4](OH)2(aq)
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Fe(OH)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe(OH)2 + 10 HNO3 = 3 Fe(NO3)3 + NO + 8 H2O
Fe2 + H = HFe =>
Fe2 + 2 H = 2 HFe
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
CaFl2 + H2SO4 = CaSO4 + HFl =>
CaFl2 + H2SO4 = CaSO4 + 2 HFl
CuS + F2 = CuF2 + S =>
CuS + F2 = CuF2 + S
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
MgOHCl + H2SO4 = MgSO4 + MgCl2 + H2O =>
2 MgOHCl + H2SO4 = MgSO4 + MgCl2 + 2 H2O
CO2 + MgOH = MgCO3 + H2 =>
2 CO2 + 2 MgOH = 2 MgCO3 + H2
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
P(OH)5 = P2O5 + H2O =>
2 P(OH)5 = P2O5 + 5 H2O
LiAlH4 + BF3 = B2H6 + LiAlF4 =>
3 LiAlH4 + 4 BF3 = 2 B2H6 + 3 LiAlF4
BeO + CrO3 = BeCrO4 =>
BeO + CrO3 = BeCrO4
Cr + MnSO4 = Cr2(SO4)3 + Mn =>
2 Cr + 3 MnSO4 = Cr2(SO4)3 + 3 Mn
K3PO4 + Sr(ClO4)2 = K3(ClO4)2 + SrPO4 =>
K3PO4 + Sr(ClO4)2 = K3(ClO4)2 + SrPO4
CaSO3 + Fe(NO3)3 + H2O = Fe(OH)3 + Ca(NO3)2 + SO2 =>
3 CaSO3 + 2 Fe(NO3)3 + 3 H2O = 2 Fe(OH)3 + 3 Ca(NO3)2 + 3 SO2
Al(s) + Ni(NO3)2(aq) = Ni(s) + Al(NO3)3 =>
2 Al(s) + 3 Ni(NO3)2(aq) = 3 Ni(s) + 2 Al(NO3)3
Fe{2+} + CN{-} = Fe(CN)6{-4} =>
Fe{2+} + 6 CN{-} = Fe(CN)6{-4}
H3AsO4 + Zn(OH)2 = Zn3(AsO4)2 + H2O =>
2 H3AsO4 + 3 Zn(OH)2 = Zn3(AsO4)2 + 6 H2O
Ca(s) + O2(g) + H2(g) = Ca(OH)2(s) =>
Ca(s) + O2(g) + H2(g) = Ca(OH)2(s)
Sb5 + Ag2O = Ag + Sb2O5 =>
2 Sb5 + 25 Ag2O = 50 Ag + 5 Sb2O5
C12H22O12 + H2O = CH3CH2OH + CO2 =>
6 C12H22O12 + 3 H2O = 23 CH3CH2OH + 26 CO2
PbO + HNO3 = Pb(NO3)4 + NO + H2O =>
3 PbO + 14 HNO3 = 3 Pb(NO3)4 + 2 NO + 7 H2O
SN(OH)2 + NaOH = Na2SNO2 + H2O =>
SN(OH)2 + 2 NaOH = Na2SNO2 + 2 H2O
CrO3 + H2F6Zr + H2O2 = Cr(F6ZrOH)3 + H2O =>
2 CrO3 + 6 H2F6Zr + 3 H2O2 = 2 Cr(F6ZrOH)3 + 6 H2O
Al(HO)3(aq) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
2 Al(HO)3(aq) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O(l)
AlBr3 + Fe2O3 = Al2O3 + FeBr3 =>
2 AlBr3 + Fe2O3 = Al2O3 + 2 FeBr3
C12H22O11 + Cu(OH)2 = C12H22O12 + Cu2O + H2O =>
C12H22O11 + 2 Cu(OH)2 = C12H22O12 + Cu2O + 2 H2O
NH4 + I = NH4I =>
NH4 + I = NH4I
Na2NH + H2O = NH3 + NaOH =>
Na2NH + 2 H2O = NH3 + 2 NaOH
FeCO3 + O2 + H2O = Fe2O3 + H2CO3 =>
4 FeCO3 + O2 + 4 H2O = 2 Fe2O3 + 4 H2CO3
Na + ICl = NaICl =>
Na + ICl = NaICl
Fe{2+} + KMnO4 + H{+} = Fe{3+} + K{-} + Mn{2+} + H2O =>
7 Fe{2+} + KMnO4 + 8 H{+} = 7 Fe{3+} + K{-} + Mn{2+} + 4 H2O
HC2H3O2 + AlCl3 = HCl + Al(C2H3O2)3 =>
3 HC2H3O2 + AlCl3 = 3 HCl + Al(C2H3O2)3
LiOH(aq) + HF(aq) = LiF(aq) + H2O =>
LiOH(aq) + HF(aq) = LiF(aq) + H2O
Al + KOH + H2O = K(Al(OH)4) + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K(Al(OH)4) + 3 H2
CaSi2 + Si + O2N8 = Si3N4 + CaO =>
2 CaSi2 + 2 Si + O2N8 = 2 Si3N4 + 2 CaO
ReF6 + H2O = ReO4{-} + HF + ReO2 + H{+} =>
3 ReF6 + 10 H2O = 2 ReO4{-} + 18 HF + ReO2 + 2 H{+}
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Équations équilibrées sur10/18/24
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