| Équations équilibrées la veille |
3 CuCl2 + 2 Ti = 3 Cu + 2 TiCl3
CoSO4 + NaOH = Co(OH)2 + Na2SO4 =>
CoSO4 + 2 NaOH = Co(OH)2 + Na2SO4
Fe + CuS = Cu + FeS4 =>
Fe + 4 CuS = 4 Cu + FeS4
Al + NaCl + CuSO4 = Cu + Na2SO4 + AlCl3 =>
2 Al + 6 NaCl + 3 CuSO4 = 3 Cu + 3 Na2SO4 + 2 AlCl3
CrCO3 + AlF3 = Al2(CO3)3 + CrF2 =>
3 CrCO3 + 2 AlF3 = Al2(CO3)3 + 3 CrF2
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COH + Cr2SO4 + K2SO4 + H2O =>
5 CH3CH2OH + K2Cr2O7 + 2 H2SO4 = 5 CH3COH + Cr2SO4 + K2SO4 + 7 H2O
SO42{-} + NH3 = SO32{-} + H2O + N2 =>
3 SO42{-} + 20 NH3 = 3 SO32{-} + 30 H2O + 10 N2
Cu + HNO3(aq) = Cu(NO3)2 + NO2(g) + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2 + 2 NO2(g) + 2 H2O
Zn(NO3)2 + K2S = KNO3 + ZnS =>
Zn(NO3)2 + K2S = 2 KNO3 + ZnS
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na2[Pb(OH)4] =>
2 Na3[Cr(OH)6] + 4 NaOH + 3 PbO2 = 2 Na2CrO4 + 2 H2O + 3 Na2[Pb(OH)4]
Cu + AgNa3 = Ag + Cu(Na3) =>
Cu + AgNa3 = Ag + Cu(Na3)
C7H7OH + KMnO4 + HCl = C6H6COOH + MnCl2 + KCl + H2O =>
5 C7H7OH + 3 KMnO4 + 9 HCl = 5 C6H6COOH + 3 MnCl2 + 3 KCl + 7 H2O
KOH + MnO2 + KNO3 = K2MnO4 + KNO2 + H2O =>
2 KOH + MnO2 + KNO3 = K2MnO4 + KNO2 + H2O
Pb(OH)2 + HgS = PbS + H2HgO2 =>
Pb(OH)2 + HgS = PbS + H2HgO2
S4N4 + Ag = AgN + S =>
S4N4 + 4 Ag = 4 AgN + 4 S
HCOOH + HCOONa = HCCOOONa + H2O =>
HCOOH + HCOONa = HCCOOONa + H2O
K2CrO4 + Cu2(SO4)2 = K2SO4 + Cu2(CrO4)2 =>
2 K2CrO4 + Cu2(SO4)2 = 2 K2SO4 + Cu2(CrO4)2
HCH3CO2 + H2O = CH3COO{-} + H3O{+} =>
HCH3CO2 + H2O = CH3COO{-} + H3O{+}
C2H4O2 + Sr(OH)2 = Sr + CO2 + H2O =>
C2H4O2 + 4 Sr(OH)2 = 4 Sr + 2 CO2 + 6 H2O
CH6 + Cl2 = C2H5Cl + HCl =>
2 CH6 + 4 Cl2 = C2H5Cl + 7 HCl
AI + H2SO4 = AI(SO4)3 + H2 =>
AI + 3 H2SO4 = AI(SO4)3 + 3 H2
C2H4O2 + KOH = KCH3COO + H2O =>
C2H4O2 + KOH = KCH3COO + H2O
Fe + CuS = FeS + Cu =>
Fe + CuS = FeS + Cu
FeCO3 + ArNO2 + H2O = FeOOH + ArNH2 + CO2 =>
6 FeCO3 + ArNO2 + 4 H2O = 6 FeOOH + ArNH2 + 6 CO2
Ba + PO4 = BaPO4 =>
Ba + PO4 = BaPO4
AgNO3 + HCl = AgCl + NO3 + H =>
AgNO3 + HCl = AgCl + NO3 + H
C20H36O + O2 = CO + H2O =>
2 C20H36O + 37 O2 = 40 CO + 36 H2O
HNO3(aq) + Cu(s) = Cu(NO3)2(aq) + H2O + NO(g) =>
8 HNO3(aq) + 3 Cu(s) = 3 Cu(NO3)2(aq) + 4 H2O + 2 NO(g)
CH3CH3CHOH + H2SO4 + K2Cr2O7 = Cr2(SO4)3 + CH3CH3CHCOOH + H2O + K2SO4 =>
4 CH3CH3CHOH + 8 H2SO4 + 2 K2Cr2O7 = 2 Cr2(SO4)3 + 3 CH3CH3CHCOOH + 12 H2O + 2 K2SO4
Cr2(SO4)3 + Zn(OH)2 = Cr(OH)3 + ZnSO4 =>
Cr2(SO4)3 + 3 Zn(OH)2 = 2 Cr(OH)3 + 3 ZnSO4
CrCl + H2 = HCl + Cr =>
2 CrCl + H2 = 2 HCl + 2 Cr
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Cu(cr) + AgNo3(aq) = Cu(No3)2(aq) + Ag(ag) = =>
Cu(cr) + 2 AgNo3(aq) = Cu(No3)2(aq) + 2 Ag(ag)
LiF + HCl = LiCl + HF =>
LiF + HCl = LiCl + HF
Hg + HBr = HgBr + H2 =>
2 Hg + 2 HBr = 2 HgBr + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KMnO4 + Na2SO4 + H2O = MnO4 + Na2SO3 + KOH =>
2 KMnO4 + Na2SO4 + H2O = 2 MnO4 + Na2SO3 + 2 KOH
Mg3N2 + H2O = MgO + N2H6 =>
Mg3N2 + 3 H2O = 3 MgO + N2H6
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
KMnO4 = K2O + Mn2O3 + O2 =>
2 KMnO4 = K2O + Mn2O3 + 2 O2
CU{2+} + CH3C(S)NH2 + H2O = CUS + CH3C(O)NH2 + H{+} =>
CU{2+} + CH3C(S)NH2 + H2O = CUS + CH3C(O)NH2 + 2 H{+}
NaOH + Cr(CH3CO2)3 = Cr(OH)3 + NaCH3CO2 =>
3 NaOH + Cr(CH3CO2)3 = Cr(OH)3 + 3 NaCH3CO2
Fe4O3 + KOH + KNO3 = K2FeO4 + KNO2 + H2O =>
Fe4O3 + 8 KOH + 9 KNO3 = 4 K2FeO4 + 9 KNO2 + 4 H2O
C6H5NH2 + HNO3 = C6H5NO3 + NH3 =>
C6H5NH2 + HNO3 = C6H5NO3 + NH3
CrCl3 + H2O2 + NaOH = Cr2O6 + H2O + NaCl =>
2 CrCl3 + 3 H2O2 + 6 NaOH = Cr2O6 + 6 H2O + 6 NaCl
Ca(MnO4)2 + Al(OH)3 = Al(MnO4)3 + Ca(OH)2 =>
3 Ca(MnO4)2 + 2 Al(OH)3 = 2 Al(MnO4)3 + 3 Ca(OH)2
NaOH + Cr(CH3CO2)3 = Cr(OH)3 + NaCH3CO2 =>
3 NaOH + Cr(CH3CO2)3 = Cr(OH)3 + 3 NaCH3CO2
NaOH + HU = H2O + NaU =>
NaOH + HU = H2O + NaU
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