| Équations équilibrées la veille |
C2H5MgBr + HBr = C2H6 + MgBr2
AgC2H3O2 + Ni = Ag + NiC2H3O2 =>
AgC2H3O2 + Ni = Ag + NiC2H3O2
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
HCl + KIO3 = Cl2 + I2 + H2O + KCl =>
12 HCl + 2 KIO3 = 5 Cl2 + I2 + 6 H2O + 2 KCl
K2Cr2O7 + H3CCH2OH + H2SO4 = Cr2(SO4)3 + KSO4 + H3CCHO + H2O =>
K2Cr2O7 + 2 H3CCH2OH + 5 H2SO4 = Cr2(SO4)3 + 2 KSO4 + 2 H3CCHO + 7 H2O
Mg + N2 = Mg3(N2)2 =>
3 Mg + 2 N2 = Mg3(N2)2
Mg3(PO4)2 + CuSO4 = Cu3(PO4)2 + MgSO4 =>
Mg3(PO4)2 + 3 CuSO4 = Cu3(PO4)2 + 3 MgSO4
MnO2 + KClO + KOH = K2MnO4 + H2O + KCl =>
MnO2 + KClO + 2 KOH = K2MnO4 + H2O + KCl
KMnO4 + FeSO4 + KOH = K2MnO4 + FeOHSO4 =>
KMnO4 + FeSO4 + KOH = K2MnO4 + FeOHSO4
F + SrCl2 = SrF2 + Cl2 =>
2 F + SrCl2 = SrF2 + Cl2
Zn(oh)2 + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn(oh)2 + 4 NaOH + 4 H2O = 2 Na2Zn(OH)4 + 2 H2
HNO3 + PbS = Pb(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 PbS = 3 Pb(NO3)2 + 2 NO + 3 S + 4 H2O
Hg + KI = HgIK =>
Hg + KI = HgIK
Zn(oh)2 + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn(oh)2 + 4 NaOH + 4 H2O = 2 Na2Zn(OH)4 + 2 H2
C2H4Br2 + KOH = C2H2 + KBr + H2O =>
C2H4Br2 + 2 KOH = C2H2 + 2 KBr + 2 H2O
Xe(CF3)2 = Xe + CF3 =>
Xe(CF3)2 = Xe + 2 CF3
As2O3(s) + C(s) = CO + As(s) =>
As2O3(s) + 3 C(s) = 3 CO + 2 As(s)
HCl + Zn{+2} = HClZn{+2} =>
HCl + Zn{+2} = HClZn{+2}
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Zn(oh)2 + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn(oh)2 + 4 NaOH + 4 H2O = 2 Na2Zn(OH)4 + 2 H2
Sc + Co3 = ScCo =>
3 Sc + Co3 = 3 ScCo
KMnO4 = K20 + Mn0 + O2 =>
20 KMnO4 = K20 + 20 Mn0 + 40 O2
Na[Al(OH)4] + H2CO3 = Al(OH)3 + Na2CO3 + H2O =>
2 Na[Al(OH)4] + H2CO3 = 2 Al(OH)3 + Na2CO3 + 2 H2O
Fe + K3Fe(CNS)6 = Fe2(CNS)6 + K3 =>
Fe + K3Fe(CNS)6 = Fe2(CNS)6 + K3
NaHCO3 + HCI = NaHCO3HCI =>
NaHCO3 + HCI = NaHCO3HCI
KNO3 + Fe(OH)2 = Fe(NO3)2 + KOH =>
2 KNO3 + Fe(OH)2 = Fe(NO3)2 + 2 KOH
Pb2O3 + KJ + H2SO4 = PbSO4 + J2 + H2O + K2SO4 =>
Pb2O3 + 2 KJ + 3 H2SO4 = 2 PbSO4 + J2 + 3 H2O + K2SO4
Na2O2 = O2 + Na2O =>
2 Na2O2 = O2 + 2 Na2O
Al2 + FeCl2 = AlCl3 + Fe2 =>
2 Al2 + 6 FeCl2 = 4 AlCl3 + 3 Fe2
Na3PO4(aq) + H2O(l) = H3PO4(aq) + NaOH(aq) =>
Na3PO4(aq) + 3 H2O(l) = H3PO4(aq) + 3 NaOH(aq)
EDTA + MnSO4 + NaOH = Mn(EDTA) + Na2SO4 + H2O2 =>
EDTA + MnSO4 + 2 NaOH = Mn(EDTA) + Na2SO4 + H2O2
KI(aq) + BaS(aq) = BaI2 + K2S =>
2 KI(aq) + BaS(aq) = BaI2 + K2S
NaClO2 + H3PO4 = ClO2 + H2O + NaCl + Na3PO4* =>
15 NaClO2 + 4 H3PO4 = 12 ClO2 + 6 H2O + 3 NaCl + 4 Na3PO4*
KMnO4 + HCl + Hg = HgCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl + 5 Hg = 5 HgCl2 + 2 MnCl2 + 2 KCl + 8 H2O
K2Cr2O7 + HI + HCl = KCl + CrCl3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HCl = 2 KCl + 2 CrCl3 + 3 I2 + 7 H2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
Al + NaNO3 + H2O = Al(OH)4 + Na + NH3 =>
9 Al + 4 NaNO3 + 24 H2O = 9 Al(OH)4 + 4 Na + 4 NH3
Ba(NO3)2 + MgSO4 = BaSO4 + Mg(NO3)2 =>
Ba(NO3)2 + MgSO4 = BaSO4 + Mg(NO3)2
Na[Ag(CN)2] + KCl = AgCl + NaCN + KCN =>
Na[Ag(CN)2] + KCl = AgCl + NaCN + KCN
Na2SO4 + AgClO3 = Ag2SO4 + NaClO3 =>
Na2SO4 + 2 AgClO3 = Ag2SO4 + 2 NaClO3
NO2 + Na + O2 = NaNO3 =>
2 NO2 + 2 Na + O2 = 2 NaNO3
Pb(NO3)4(aq) + K2Cr2O7(aq) = Pb(Cr2O7)2 + KNO3(aq) =>
Pb(NO3)4(aq) + 2 K2Cr2O7(aq) = Pb(Cr2O7)2 + 4 KNO3(aq)
Zn(s) + H3PO4(ac) = Zn3(PO4)2(ac) + H2(g) =>
3 Zn(s) + 2 H3PO4(ac) = Zn3(PO4)2(ac) + 3 H2(g)
MnO + MnO2 = Mn2O3 =>
MnO + MnO2 = Mn2O3
Na2WO4 + As2O3 + HCl = Na9[AsW9O33] + NaCl + H2O =>
18 Na2WO4 + As2O3 + 18 HCl = 2 Na9[AsW9O33] + 18 NaCl + 9 H2O
HNO3 = NO2 + NO3{-} + H2O + {3+} =>
6 HNO3 = 3 NO2 + 3 NO3{-} + 3 H2O + {3+}
CuNO3 + H2SO4 = CuSO4 + NO2 + H2O =>
CuNO3 + H2SO4 = CuSO4 + NO2 + H2O
I{-} + O2 + H{+} = I3{-} + H2O =>
6 I{-} + O2 + 4 H{+} = 2 I3{-} + 2 H2O
RbOH + H2CO3 = HRbOH + HCO3 =>
RbOH + H2CO3 = HRbOH + HCO3
Cl2O5 + ZnO = Zn(ClO3)2 =>
Cl2O5 + ZnO = Zn(ClO3)2
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Équations équilibrées sur11/04/24
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