| Équations équilibrées la veille |
K2Cr2O7 + 14 HI = 3 I2 + 2 CrI3 + 2 KI + 7 H2O
HNSO3H2 + NaOH = NaNSO3H2 + H2O =>
HNSO3H2 + NaOH = NaNSO3H2 + H2O
BaCl2 + H2(SO4) = HCl + Ba(SO4) =>
BaCl2 + H2(SO4) = 2 HCl + Ba(SO4)
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Al(s) + Pb(No3)2 = Al(No3)3 + Pb(s) =>
2 Al(s) + 3 Pb(No3)2 = 2 Al(No3)3 + 3 Pb(s)
Na2HCO3(s) + HC2H3O2(aq) = H2O + CO2(g) + NaC2H3O2(aq) =>
8 Na2HCO3(s) + 15 HC2H3O2(aq) = 10 H2O + 6 CO2(g) + 16 NaC2H3O2(aq)
C12H24 + O2 = CO2 + H2O =>
C12H24 + 18 O2 = 12 CO2 + 12 H2O
P + O2 = PO =>
2 P + O2 = 2 PO
NH4CHCOO + H2O = NH4CHCOOH + OH =>
NH4CHCOO + H2O = NH4CHCOOH + OH
KClO3 + HCl = Cl2 + H2O + KCl =>
KClO3 + 6 HCl = 3 Cl2 + 3 H2O + KCl
Al + Cu(No3)2 = Al(No3)3 + Cu =>
2 Al + 3 Cu(No3)2 = 2 Al(No3)3 + 3 Cu
K1 = K =>
K1 = K
CaS + Sn(C2H3O2)4 = Ca(C2H3O2)2 + Sn2S4 =>
4 CaS + 2 Sn(C2H3O2)4 = 4 Ca(C2H3O2)2 + Sn2S4
P + KNO3 + H2O = H3PO4 + NO + KOH =>
3 P + 5 KNO3 + 7 H2O = 3 H3PO4 + 5 NO + 5 KOH
Au + SO3 = Au2SO3 =>
2 Au + SO3 = Au2SO3
FeCl2 + C5H6 + KOH = FeC10H10 + H2O + KCl =>
FeCl2 + 2 C5H6 + 2 KOH = FeC10H10 + 2 H2O + 2 KCl
Fe2(SO4)3 + Sodiumhydroxide = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
Mg(OH)2 + NO2 + O2 = Mg(NO3)2 + H2O =>
2 Mg(OH)2 + 4 NO2 + O2 = 2 Mg(NO3)2 + 2 H2O
MgCO3(s) + HBr(aq) = MgBr2(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + 2 HBr(aq) = MgBr2(aq) + H2O(l) + CO2(g)
Fe + H2SO4 = FeSO4 + H2O + SO2 =>
Fe + 2 H2SO4 = FeSO4 + 2 H2O + SO2
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
CH3Br + NaOH = CH4O + NaBr =>
CH3Br + NaOH = CH4O + NaBr
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
NiSPb(NO3)2 = Ni(NO3)2PbS =>
NiSPb(NO3)2 = Ni(NO3)2PbS
KOH + HC2H3O2 = H2O + KC2H3O2 =>
KOH + HC2H3O2 = H2O + KC2H3O2
As2O5 + H2SO4 + Zn = AsH3 + H2O + ZnSO4 =>
As2O5 + 8 H2SO4 + 8 Zn = 2 AsH3 + 5 H2O + 8 ZnSO4
CuS + NH3 = Cu(NH3)4 + S =>
CuS + 4 NH3 = Cu(NH3)4 + S
ZnCl + Ni = Zn + NiCl2 =>
2 ZnCl + Ni = 2 Zn + NiCl2
Li2SO4 + Ba(NO3)2 = BaSO4 + LiNO3 =>
Li2SO4 + Ba(NO3)2 = BaSO4 + 2 LiNO3
BrO3{-} + Br{-} + H{+} = Br2 + H2O =>
BrO3{-} + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
Al + NH3 = AlN + H2 =>
2 Al + 2 NH3 = 2 AlN + 3 H2
SbCl3 + Na2S = Sb2S3 + NaCl =>
2 SbCl3 + 3 Na2S = Sb2S3 + 6 NaCl
CuO + CO2 + H2O = Cu(HCO3)2 =>
CuO + 2 CO2 + H2O = Cu(HCO3)2
KClO3 + KI2 + HCl = KCl + H2O + I2 =>
KClO3 + 6 KI2 + 6 HCl = 7 KCl + 3 H2O + 6 I2
C + K2Cr2O7 + H2SO4 = CO2 + K2SO4Cr2(SO4)3 + H2O =>
3 C + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 2 K2SO4Cr2(SO4)3 + 8 H2O
KOH + TiCl4 = TiO(OH)2 + KCl + H2O =>
4 KOH + TiCl4 = TiO(OH)2 + 4 KCl + H2O
C + O2 = CO = =>
2 C + O2 = 2 CO
Ag + CrO = AgCrO =>
Ag + CrO = AgCrO
HCOOC2H5 + HOH = C2H5OH + HCOOH =>
HCOOC2H5 + HOH = C2H5OH + HCOOH
Cr2(SO4) + (NH4)2CO3 = Cr2(CO3) + (NH4)2SO4 =>
Cr2(SO4) + (NH4)2CO3 = Cr2(CO3) + (NH4)2SO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CH3COOCH3 + H2O = CH3COOH + HOCH3 =>
CH3COOCH3 + H2O = CH3COOH + HOCH3
Al2O3(s) + H2O(l) = Al(OH)3(aq) =>
Al2O3(s) + 3 H2O(l) = 2 Al(OH)3(aq)
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
OH + HF = F + H2O =>
OH + HF = F + H2O
Ca + Si = CaSi2 =>
Ca + 2 Si = CaSi2
Al2 + KClO3 + HCl = AlCl3 + KCl + H2O =>
Al2 + KClO3 + 6 HCl = 2 AlCl3 + KCl + 3 H2O
Zn + Fe2(SO4)3 = Zn(SO4) + Fe =>
3 Zn + Fe2(SO4)3 = 3 Zn(SO4) + 2 Fe
Al + HNO3 = Al(NO3)3 + N2 + H2O =>
10 Al + 36 HNO3 = 10 Al(NO3)3 + 3 N2 + 18 H2O
ZnS + NaOH + H2O = Na2[Zn(OH4)] + SO2 =>
ZnS + 2 NaOH + H2O = Na2[Zn(OH4)] + SO2
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Équations équilibrées sur11/12/24
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