| Équations équilibrées la veille |
84 K4(Fe(SCN)6) + 97 K2Cr2O7 + 799 H2SO4 = 42 Fe2(SO4)3 + 97 Cr2(S4)3 + 504 CO2 + 799 H2O + 13 K2SO4 + 504 KNO3
N2O5 + SO2 = SO3 + NO =>
N2O5 + 3 SO2 = 3 SO3 + 2 NO
Ca(HCO3)2 + CaCl2 = CaCO3 + Cl2 + H2 =>
Ca(HCO3)2 + CaCl2 = 2 CaCO3 + Cl2 + H2
H2S + Na2SO3 = H2SO4 + Na2S =>
3 H2S + 4 Na2SO3 = 3 H2SO4 + 4 Na2S
H3AsO3 + Co(OH)2 = CoHAsO3 + H2O =>
H3AsO3 + Co(OH)2 = CoHAsO3 + 2 H2O
Ba(NO3)2 + H2 = HNO3 + Ba =>
Ba(NO3)2 + H2 = 2 HNO3 + Ba
Ca + NH3 = CaH2 + Ca3N2 =>
6 Ca + 2 NH3 = 3 CaH2 + Ca3N2
Cr + H2SO3 = Cr2(SO3)3 + H2 =>
2 Cr + 3 H2SO3 = Cr2(SO3)3 + 3 H2
H2SO4 + Na2Cr2O7 + NaCl = Cr2(SO4)3 + Cl2 + Na2SO4 + H2O =>
7 H2SO4 + Na2Cr2O7 + 6 NaCl = Cr2(SO4)3 + 3 Cl2 + 4 Na2SO4 + 7 H2O
CaF2 + Cl2 = CaCl2 + F =>
CaF2 + Cl2 = CaCl2 + 2 F
K{+} + I{-} = K + I2 =>
2 K{+} + 2 I{-} = 2 K + I2
Mg(OH)2 + H2O = MgO2H3 + OH =>
Mg(OH)2 + H2O = MgO2H3 + OH
COCl2(s) + H2O(l) = HCl(aq) + CO2(g) =>
COCl2(s) + H2O(l) = 2 HCl(aq) + CO2(g)
NH3(g) + O2(g) = NO(g) + H2O =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
CH4 + HCl = CH5Cl =>
CH4 + HCl = CH5Cl
NaOCl + Fe = FeO + NaCl =>
NaOCl + Fe = FeO + NaCl
Cu(OH)2 + Na2SO4 + HCl = CuSO4 + NaCl + H2O =>
Cu(OH)2 + Na2SO4 + 2 HCl = CuSO4 + 2 NaCl + 2 H2O
CuO + B2O3 = CuBO2 + O2 =>
4 CuO + 2 B2O3 = 4 CuBO2 + O2
Al(ClO3)3 + NH4OH = Al(OH)3 + NH4(ClO3) =>
Al(ClO3)3 + 3 NH4OH = Al(OH)3 + 3 NH4(ClO3)
Fe + MnO4 + H2SO4 = H2O + Fe2(SO4)3 + MnSO4 =>
2 Fe + MnO4 + 4 H2SO4 = 4 H2O + Fe2(SO4)3 + MnSO4
CH4 + HCl = CHCl3 + H2 =>
CH4 + 3 HCl = CHCl3 + 3 H2
Na2SO4(aq) + Pb(C2H3O2)2(aq) = Na(C2H3O2) + PbSO4 =>
Na2SO4(aq) + Pb(C2H3O2)2(aq) = 2 Na(C2H3O2) + PbSO4
NH3(aq) + CuSO4(aq) = Cu(NH3)4(aq) + SO4(aq) =>
4 NH3(aq) + CuSO4(aq) = Cu(NH3)4(aq) + SO4(aq)
Na3AsO4 + Na2S + HCl = NaCl + AsCl3 + H2O + S =>
Na3AsO4 + Na2S + 8 HCl = 5 NaCl + AsCl3 + 4 H2O + S
SnCl4 + O2 = SnO2 + Cl2 =>
SnCl4 + O2 = SnO2 + 2 Cl2
NaCl(ac) + Pb(NO3)2(ac) = PbCl2 + NaNO3(ac) =>
2 NaCl(ac) + Pb(NO3)2(ac) = PbCl2 + 2 NaNO3(ac)
NH4CH3COO + H2O = CH3COOH + NH4OH =>
NH4CH3COO + H2O = CH3COOH + NH4OH
CrCl3 + Al = AlCl3 + Cr =>
CrCl3 + Al = AlCl3 + Cr
Sn(C2H3O2)2 + H2S = H(C2H3O2) + SnS =>
Sn(C2H3O2)2 + H2S = 2 H(C2H3O2) + SnS
BiCl3(aq) + NaOH(aq) = Bi(OH)3 + NaCl =>
BiCl3(aq) + 3 NaOH(aq) = Bi(OH)3 + 3 NaCl
C11H15NO + HCl = C11H16NOCl =>
C11H15NO + HCl = C11H16NOCl
HCN = H + CN =>
HCN = H + CN
CH2CH2 + H2O = CH3CH2OH =>
CH2CH2 + H2O = CH3CH2OH
C11H15NO + HCl = C11H16NOCl =>
C11H15NO + HCl = C11H16NOCl
C5H10O5 + NaHCrO4 + NaHSO4 = CO2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C5H10O5 + 20 NaHCrO4 + 80 NaHSO4 = 15 CO2 + 10 Cr2(SO4)3 + 50 Na2SO4 + 65 H2O
Na2SO3(aq) + S(s) = Na2S2O3(aq) =>
Na2SO3(aq) + S(s) = Na2S2O3(aq)
Ca3N2 + H2SO4 = CaSO4 + NH3 =>
Ca3N2 + 3 H2SO4 = 3 CaSO4 + 2 NH3
Mg(No3)2 + Na2SO4 = MgSO4 + NaNo3 =>
Mg(No3)2 + Na2SO4 = MgSO4 + 2 NaNo3
CuCl = Cu + Cl =>
CuCl = Cu + Cl
CuSO4 + NaHCO3 = Na2SO4 + Cu(HCO3)2 =>
CuSO4 + 2 NaHCO3 = Na2SO4 + Cu(HCO3)2
HO2 + Cr(OH)3 = CrO4 + OH =>
4 HO2 + Cr(OH)3 = CrO4 + 7 OH
Cu(OH)2 + BaO + H2O = Ba[Cu(OH)4] =>
Cu(OH)2 + BaO + H2O = Ba[Cu(OH)4]
CuSO4 + H2O = CuSO4H2O =>
CuSO4 + H2O = CuSO4H2O
H2Se + Mg(OH)2 = MgSe + H2O =>
H2Se + Mg(OH)2 = MgSe + 2 H2O
C18H34O2 + H2 = C3H8 + H2O =>
C18H34O2 + 9 H2 = 6 C3H8 + 2 H2O
NaI + H2O2 = NaOH + HIO =>
NaI + H2O2 = NaOH + HIO
NH3 + O3 = N2 + H2O =>
2 NH3 + O3 = N2 + 3 H2O
KC8H5O4 + NaOH = KNaC8H4O4 + H2O =>
KC8H5O4 + NaOH = KNaC8H4O4 + H2O
H2 + NO3 = H2O + N2 =>
6 H2 + 2 NO3 = 6 H2O + N2
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