| Équations équilibrées la veille |
MgSO3 + 2 HCl = H2SO3 + MgCl2
C2H4Br2 + NaOH = C2H4(OH)2 + NaBr =>
C2H4Br2 + 2 NaOH = C2H4(OH)2 + 2 NaBr
NH2OH + HNO3 = NO2 + H2O =>
NH2OH + 5 HNO3 = 6 NO2 + 4 H2O
AlCl3(aq) + H2SO4(aq) = Al2(SO4)3 + HCl(aq) =>
2 AlCl3(aq) + 3 H2SO4(aq) = Al2(SO4)3 + 6 HCl(aq)
C7H6O3 + Ca(OH)2 = (C14H10CaO6) + H2O =>
2 C7H6O3 + Ca(OH)2 = (C14H10CaO6) + 2 H2O
NH2OH + HNO3 = NO2 + H2O =>
NH2OH + 5 HNO3 = 6 NO2 + 4 H2O
Pb(C2H3O2)2 + H2S = PbS + CH3COOH =>
Pb(C2H3O2)2 + H2S = PbS + 2 CH3COOH
KMnO4(aq) + KNO2(aq) + H2SO4(aq) = MnSO4(aq) + H2O(l) + KNO3(aq) + K2SO4(aq) =>
2 KMnO4(aq) + 5 KNO2(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + 3 H2O(l) + 5 KNO3(aq) + K2SO4(aq)
AlCl3(aq) + H2SO4(aq) = Al2(SO4)3(s) + HCl(aq) =>
2 AlCl3(aq) + 3 H2SO4(aq) = Al2(SO4)3(s) + 6 HCl(aq)
CrCl2 + NaOH = Cr(OH)2 + NaCl =>
CrCl2 + 2 NaOH = Cr(OH)2 + 2 NaCl
Na2B4O5(OH)4*8H2O + NaOH + H2O2 = NaBO3 + H2O =>
Na2B4O5(OH)4*8H2O + 2 NaOH + 4 H2O2 = 4 NaBO3 + 15 H2O
Pb(NO3)4 + Al(OH)3 = Al(NO3)3 + Pb(OH)4 =>
3 Pb(NO3)4 + 4 Al(OH)3 = 4 Al(NO3)3 + 3 Pb(OH)4
Mg(OH)2 + CuCl2 = MgCl2 + Cu(OH)2 =>
Mg(OH)2 + CuCl2 = MgCl2 + Cu(OH)2
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq) =>
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq)
NH2OH + HNO3 = N2O + H2O =>
4 NH2OH + 2 HNO3 = 3 N2O + 7 H2O
CO3{2-} + NO3{-} + As2Se3 = AsO4{3-} + SeO4{2-} + NO{2-} + CO2 =>
44 CO3{2-} + 28 NO3{-} + 5 As2Se3 = 10 AsO4{3-} + 15 SeO4{2-} + 28 NO{2-} + 44 CO2
Al2(CrO4)3 + KCl = AlCl3 + K2CrO4 =>
Al2(CrO4)3 + 6 KCl = 2 AlCl3 + 3 K2CrO4
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
AlCl3(aq) + H2SO4(aq) = Al2(SO4)3 + HCl(aq) =>
2 AlCl3(aq) + 3 H2SO4(aq) = Al2(SO4)3 + 6 HCl(aq)
AlCl3 + Rb3PO4 = AlPO4 + Rb3Cl3 =>
AlCl3 + Rb3PO4 = AlPO4 + Rb3Cl3
NH3 + Na = NH2 + NaH =>
NH3 + Na = NH2 + NaH
PbNO + K = Pb + K2NO =>
PbNO + 2 K = Pb + K2NO
Zn(NO3)2*6H2O + Fe(NO3)3*9H2O = ZnFe2O4 + N2 + O2 + H2O =>
Zn(NO3)2*6H2O + 2 Fe(NO3)3*9H2O = ZnFe2O4 + 4 N2 + 10 O2 + 24 H2O
NaAlO2 + HNO3 = NaNO3 + Al2O3 + H2O =>
2 NaAlO2 + 2 HNO3 = 2 NaNO3 + Al2O3 + H2O
Mg(OH)2 + CuCl2 = MgCl2 + Cu(OH)2 =>
Mg(OH)2 + CuCl2 = MgCl2 + Cu(OH)2
NO2 + O2 = N2O5 =>
4 NO2 + O2 = 2 N2O5
Zn(NO3)2*6H2O + Fe(NO3)3*9H2O = ZnFe2O4 + HNO3 + H2O =>
Zn(NO3)2*6H2O + 2 Fe(NO3)3*9H2O = ZnFe2O4 + 8 HNO3 + 20 H2O
NH2OH + HNO3 = N2O + H2O =>
4 NH2OH + 2 HNO3 = 3 N2O + 7 H2O
K2MnF6 + SbF5 = KSbF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SbF5 = 4 KSbF6 + 2 MnF3 + F2
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
(NH4)2CO3 + Zn(NO3)2 = (NH4)(NO3) + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2(NH4)(NO3) + ZnCO3
NH2OH + HNO3 = NO2 + H2O =>
NH2OH + 5 HNO3 = 6 NO2 + 4 H2O
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
Cl{-} + H{+} + MnO4{-} = Mn{+2} + Cl2 + H2O =>
10 Cl{-} + 16 H{+} + 2 MnO4{-} = 2 Mn{+2} + 5 Cl2 + 8 H2O
AlCl3 + Rb3PO4 = AlPO4 + Rb3Cl3 =>
AlCl3 + Rb3PO4 = AlPO4 + Rb3Cl3
(NH4)2CO3 + Zn(NO3)2 = NH4NO3 + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2 NH4NO3 + ZnCO3
NH2OH + HNO3 = N2O + H2O =>
4 NH2OH + 2 HNO3 = 3 N2O + 7 H2O
(NH4)2CO3 + Zn(NO3)2 = (NH4)NO3 + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2(NH4)NO3 + ZnCO3
CuO + H3O + H2O = [Cu(H2O)6] =>
CuO + 2 H3O + 3 H2O = [Cu(H2O)6]
NaS2O3 + NH4OHAgNO3 = NaAgNO3 + S2O3NH4OH =>
NaS2O3 + NH4OHAgNO3 = NaAgNO3 + S2O3NH4OH
C10O3NH9 + C2H3O2{-} = C10O3NH8{-} + C2H4O2 =>
C10O3NH9 + C2H3O2{-} = C10O3NH8{-} + C2H4O2
S2O3{-} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
2 S2O3{-} + 7 Cl2 + 10 H2O = 4 SO4{2-} + 14 Cl{-} + 20 H{+}
NaNO2 + K2Cr2O7 + HNO3 = Cr(NO3)3 + KNO3 + NaNO3 + H2O =>
3 NaNO2 + K2Cr2O7 + 8 HNO3 = 2 Cr(NO3)3 + 2 KNO3 + 3 NaNO3 + 4 H2O
NH2OH + HNO3 = NO2 + H2O =>
NH2OH + 5 HNO3 = 6 NO2 + 4 H2O
(NH4)2CO3 + Zn(NO3)2 = NH4(NO3) + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2 NH4(NO3) + ZnCO3
MnSO4 + KNO3 + Na2CO3 = CO2 + KNO2 + Na2SO4 + NaMnO4 =>
2 MnSO4 + 5 KNO3 + 3 Na2CO3 = 3 CO2 + 5 KNO2 + 2 Na2SO4 + 2 NaMnO4
HPO3 + Cr(OH)2 = H2O + Cr(PO3)2 =>
2 HPO3 + Cr(OH)2 = 2 H2O + Cr(PO3)2
Na4XeO6 + Na3[Cr(OH)6] = Xe + Na2CrO4 + NaOH + H2O =>
3 Na4XeO6 + 8 Na3[Cr(OH)6] = 3 Xe + 8 Na2CrO4 + 20 NaOH + 14 H2O
S + H = SH =>
S + H = SH
CH3COONH4 + ZnCl2 = NH4Cl + Zn(O2CCH3)2 =>
2 CH3COONH4 + ZnCl2 = 2 NH4Cl + Zn(O2CCH3)2
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