| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 MnO2 + 2 K2CO3 + 3 O2 = 4 KMnO4 + 2 CO2
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
ZnCl2 + H2O = ZnO + HCl =>
ZnCl2 + H2O = ZnO + 2 HCl
Fe(s) + CuNO3(aq) = Cu(s) + Fe(NO3)2(aq) =>
Fe(s) + 2 CuNO3(aq) = 2 Cu(s) + Fe(NO3)2(aq)
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr2O7{2-} + S2{-} + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 6 S2{-} + 14 H{+} = 2 Cr{3+} + 12 S + 7 H2O
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cr2O7{2-} + S{-} + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 6 S{-} + 14 H{+} = 2 Cr{3+} + 6 S + 7 H2O
Cu(HCO3)2 = CuCO3 + H2O + CO2 =>
Cu(HCO3)2 = CuCO3 + H2O + CO2
Cr2O7{2-} + S{2-} + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 3 S{2-} + 14 H{+} = 2 Cr{3+} + 3 S + 7 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na3PO4 + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
Ca(HCO3)2 = CaO + CO2 + H2O =>
Ca(HCO3)2 = CaO + 2 CO2 + H2O
MgO + Li3N = Mg3N2 + Li2O =>
3 MgO + 2 Li3N = Mg3N2 + 3 Li2O
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
K2Cr2O7 + H2O + S = SO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 KOH + 2 Cr2O3
Na2B4O7 + HCl + H2O = NaCl + H3BO3 =>
Na2B4O7 + 2 HCl + 5 H2O = 2 NaCl + 4 H3BO3
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
CS2(s) + O2(g) = CO2(g) + SO2(g) =>
CS2(s) + 3 O2(g) = CO2(g) + 2 SO2(g)
NaCl + CaO = Na2O + CaCl2 =>
2 NaCl + CaO = Na2O + CaCl2
Cu(OH)2 + K2SO4 = KOH + CuSO4 =>
Cu(OH)2 + K2SO4 = 2 KOH + CuSO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AlCl3 + H2(SO4) = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2(SO4) = Al2(SO4)3 + 6 HCl
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuCO3*Cu(OH)2(s) = CuO(s) + H2O + CO2 =>
CuCO3*Cu(OH)2(s) = 2 CuO(s) + H2O + CO2
AsH3 = As + H2 =>
2 AsH3 = 2 As + 3 H2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
H2CO3(aq) = CO2(g) + H2O(g) =>
H2CO3(aq) = CO2(g) + H2O(g)
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Mg3(PO4)2 + H2 = Mg + H3PO4 =>
Mg3(PO4)2 + 3 H2 = 3 Mg + 2 H3PO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaCl + CaO = Na2O + CaCl2 =>
2 NaCl + CaO = Na2O + CaCl2
Fe(ClO4)3 + KI = Fe + I3 + KClO4 =>
Fe(ClO4)3 + 3 KI = Fe + I3 + 3 KClO4
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
NaCl + CaO = Na2O + CaCl2 =>
2 NaCl + CaO = Na2O + CaCl2
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
KNO3 = K2O + O2 + N2 =>
4 KNO3 = 2 K2O + 5 O2 + 2 N2
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
Cr(s) + S8(s) = Cr2S3(s) =>
16 Cr(s) + 3 S8(s) = 8 Cr2S3(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/14/17
Équations équilibrées sur02/13/16
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