| Équations équilibrées la veille |
2 NaCl(s) + H2SO4 = 2 HCl(g) + Na2SO4
NaCl(s) + H2SO4 = HCl(g) + Na2SO4(s) =>
2 NaCl(s) + H2SO4 = 2 HCl(g) + Na2SO4(s)
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
HF + Mg(HO)2 = MgF2 + H2O =>
2 HF + Mg(HO)2 = MgF2 + 2 H2O
S + Na2S4 = Na2S8 =>
4 S + Na2S4 = Na2S8
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
S3O6{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
S3O6{2-} + 4 Cl2 + 12 OH{-} = 3 SO4{2-} + 8 Cl{-} + 6 H2O
CuCO3 + HCl = CuCl2 + H2CO3 =>
CuCO3 + 2 HCl = CuCl2 + H2CO3
Ca4C2 + O2 = Ca + CO2 =>
Ca4C2 + 2 O2 = 4 Ca + 2 CO2
I2 + P = PI3 =>
3 I2 + 2 P = 2 PI3
NaOH + C6H8O6 = H2O + NaC6H7O6 =>
NaOH + C6H8O6 = H2O + NaC6H7O6
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Ca{2+} + HPO4{2-} + NH3 = Ca3(PO4)2 + NH4{+] =>
3 Ca{2+} + 2 HPO4{2-} + 2 NH3 = Ca3(PO4)2 + 2 NH4{+]
MnSO4 + NaNO3 = Mn(NO3)2 + Na2SO4 =>
MnSO4 + 2 NaNO3 = Mn(NO3)2 + Na2SO4
Na2SO4(aq) + HCl(aq) = NaCl(aq) + H2(g) + SO4(aq) =>
Na2SO4(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2(g) + SO4(aq)
AgI + K2S = Ag2S + KI =>
2 AgI + K2S = Ag2S + 2 KI
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH2S + O2 = CO2 + H2O + SO3 =>
CH2S + 3 O2 = CO2 + H2O + SO3
CH2COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
16 CH2COOH + 7 Na2CO3 = 14 CH3COONa + 3 H2O + 11 CO2
H2O(l) + MgO(s) = OH + Mg =>
H2O(l) + MgO(s) = 2 OH + Mg
NH3 + CO2 = NH3CO2 =>
NH3 + CO2 = NH3CO2
K2Cr2O7 + S = K2SO4 + Cr2O3 =>
K2Cr2O7 + S = K2SO4 + Cr2O3
Pb{+} + Cl2{-} = PbCl2 =>
Pb{+} + Cl2{-} = PbCl2
H2O2 + Na2S2O3 = Na2S4O6 + H2O + Na2SO4 =>
5 H2O2 + 3 Na2S2O3 = Na2S4O6 + 5 H2O + 2 Na2SO4
Zn + CuSO4 = ZnSO2 + O2 + Cu =>
Zn + CuSO4 = ZnSO2 + O2 + Cu
[Ti(OH2)6]Cl3 + K2Cr2O7 = [Ti(OH2)6]2(Cr2O7)3 + KCl =>
2[Ti(OH2)6]Cl3 + 3 K2Cr2O7 = [Ti(OH2)6]2(Cr2O7)3 + 6 KCl
Al(OH)2 + C2H4O2 = Al(CH3CO2)2 + H2O =>
Al(OH)2 + 2 C2H4O2 = Al(CH3CO2)2 + 2 H2O
Cu(NO3)2 + Na2SO4 = CuSO4 + NaNO3 =>
Cu(NO3)2 + Na2SO4 = CuSO4 + 2 NaNO3
NaCl + H2O = Cl2 + H + NaOH =>
2 NaCl + 2 H2O = Cl2 + 2 H + 2 NaOH
Ca(PO4)2 + HOH = Ca(OH)2 + HPO4 =>
Ca(PO4)2 + 2 HOH = Ca(OH)2 + 2 HPO4
K2CO3 + CaCl = K2CO3CaCl =>
K2CO3 + CaCl = K2CO3CaCl
Mg(OH)2 + H2Cr2O7 = MgCrO4 + H2O =>
2 Mg(OH)2 + H2Cr2O7 = 2 MgCrO4 + 3 H2O
Ca + H2SO4 = CaH2SO4 =>
Ca + H2SO4 = CaH2SO4
Al + O2 + H2O = Al(OH)3 =>
4 Al + 3 O2 + 6 H2O = 4 Al(OH)3
HClO3 + CaCO3 = H2CO3 + Ca(ClO3)2 =>
2 HClO3 + CaCO3 = H2CO3 + Ca(ClO3)2
Li(s) + O2(g) = Li2O(s) =>
4 Li(s) + O2(g) = 2 Li2O(s)
NaNO3 + Mg + H2SO4 = (NH4)2SO4 + MgSO4 + H2O + Na2SO4 =>
2 NaNO3 + 8 Mg + 10 H2SO4 = (NH4)2SO4 + 8 MgSO4 + 6 H2O + Na2SO4
K + FeIISO4 = K2SO4 + FeII =>
2 K + FeIISO4 = K2SO4 + FeII
V + Cl2 = VCl =>
2 V + Cl2 = 2 VCl
KClO5CN2H4 = KCl + N2 + H2O + CO2 + O2 =>
2 KClO5CN2H4 = 2 KCl + 2 N2 + 4 H2O + 2 CO2 + O2
Sr(OH)2 + CrCl3 = SrCl2 + Cr(OH)3 =>
3 Sr(OH)2 + 2 CrCl3 = 3 SrCl2 + 2 Cr(OH)3
C13H8O + BH3 + CH3CH2OH = C13H9OH + BOCH2CH3 =>
2 C13H8O + BH3 + CH3CH2OH = 2 C13H9OH + BOCH2CH3
Cr(s) + Fe(NO3)(aq) = Fe(s) + Cr(NO3)3(aq) =>
Cr(s) + 3 Fe(NO3)(aq) = 3 Fe(s) + Cr(NO3)3(aq)
Na + H2SO2 = Na2SO2 + H =>
2 Na + H2SO2 = Na2SO2 + 2 H
HOCl = HCl + O =>
HOCl = HCl + O
Au + H2SO4 = Au2SO4 + H2O + SO2 =>
2 Au + 2 H2SO4 = Au2SO4 + 2 H2O + SO2
CH3NH3HSO4 + NaOH = CH3NH2 + H2O + Na2SO4 =>
CH3NH3HSO4 + 2 NaOH = CH3NH2 + 2 H2O + Na2SO4
TiCl3 + H2O = TiO2 + HCl + H2 =>
2 TiCl3 + 4 H2O = 2 TiO2 + 6 HCl + H2
HS{-} + ClO3{-} + H{+} = S + Cl{-} + H2O =>
3 HS{-} + ClO3{-} + 3 H{+} = 3 S + Cl{-} + 3 H2O
C4H9OH + CuO = C4H7COH + Cu + H2O =>
5 C4H9OH + 8 CuO = 4 C4H7COH + 8 Cu + 9 H2O
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