| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu{2+}(aq) + 2 Ag(s) = 2 Ag{+}(aq) + Cu(s)
KBr*H2SO4 = K2SO4 + Br2 + SO2 + H2O =>
2 KBr*H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
Cu + HNO3 = CuN206 + H2O + NO3 =>
Cu + 1236 HNO3 = CuN206 + 618 H2O + 1030 NO3
P4 + HI = PI4 + H2 =>
P4 + 16 HI = 4 PI4 + 8 H2
CH3CH(OH)CH3 + O2 = CO2 + H2 =>
2 CH3CH(OH)CH3 + 5 O2 = 6 CO2 + 8 H2
CH3CH2OH + Na2Cr2O7 + H2SO4 = CH3CHO + Na2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + Na2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Na2SO4 + Cr2(SO4)3 + 7 H2O
CH4 + O2 = C2O + H2 =>
4 CH4 + O2 = 2 C2O + 8 H2
(CH3COO)3Pb + NaOH = CH3COONa + Pb(OH)3 =>
(CH3COO)3Pb + 3 NaOH = 3 CH3COONa + Pb(OH)3
(C4H10) + O2 = CO2 + H2O =>
2(C4H10) + 13 O2 = 8 CO2 + 10 H2O
(NH4)C2H3O2 + Na2CrO4 = ((NH4)2)CrO4 + NaC2H3O2 =>
2(NH4)C2H3O2 + Na2CrO4 = ((NH4)2)CrO4 + 2 NaC2H3O2
N2(g) + O2(s) = N2O5(g) =>
2 N2(g) + 5 O2(s) = 2 N2O5(g)
BaF2 + NaF = BaNaF3 =>
BaF2 + NaF = BaNaF3
CuCO3*Cu(OH)2 + NH3 + H2O = [Cu(NH3)4](OH)2 + (NH4)2CO3 =>
CuCO3*Cu(OH)2 + 10 NH3 + 2 H2O = 2[Cu(NH3)4](OH)2 + (NH4)2CO3
NaOH + Na2C2O4 = OHNa2C2O4 + Na =>
NaOH + Na2C2O4 = OHNa2C2O4 + Na
(NH4)2SO4 + Na = Na2SO4 + NH4 =>
(NH4)2SO4 + 2 Na = Na2SO4 + 2 NH4
CaCl2(aq) + AgNO3(aq) = Ca(NO3)2 + AgCl(aq) =>
CaCl2(aq) + 2 AgNO3(aq) = Ca(NO3)2 + 2 AgCl(aq)
CoCl2 + NaNO2 + CH3COOH = Na3[Co(NO2)6] + NaCl + Na(CH3COO) + NO + H2O =>
CoCl2 + 7 NaNO2 + 2 CH3COOH = Na3[Co(NO2)6] + 2 NaCl + 2 Na(CH3COO) + NO + H2O
Na2CO3 + H3PO4 = CO2 + H2O + Na3PO4 =>
3 Na2CO3 + 2 H3PO4 = 3 CO2 + 3 H2O + 2 Na3PO4
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Na2CO3 + Cu(NO3)2 = CuCO3 + NaNO3 =>
Na2CO3 + Cu(NO3)2 = CuCO3 + 2 NaNO3
Mg(OH)2 + HI = Mg(OH)2HI =>
Mg(OH)2 + HI = Mg(OH)2HI
K2CO3 + Cr2O3 = KCrO2 + CO2 =>
K2CO3 + Cr2O3 = 2 KCrO2 + CO2
C15H17NO5 + O2 = CO2 + H2O + NO2 =>
4 C15H17NO5 + 71 O2 = 60 CO2 + 34 H2O + 4 NO2
Na2 + H2O = NaO + H =>
Na2 + 2 H2O = 2 NaO + 4 H
CuNO3 + Ca = Ca(NO3)2 + Cu =>
2 CuNO3 + Ca = Ca(NO3)2 + 2 Cu
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
C2H2 + H2SO4 = C2H5 + SO4 =>
2 C2H2 + 3 H2SO4 = 2 C2H5 + 3 SO4
H2SO4 + CH3COH + K2Cr2O7 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
4 H2SO4 + 3 CH3COH + K2Cr2O7 = 3 CH3COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
MnCl2 + LiOH + Mg2 = MnO2 + LiCl + LiMg + H2O =>
MnCl2 + 4 LiOH + Mg2 = MnO2 + 2 LiCl + 2 LiMg + 2 H2O
NO2 + H2 = HN2 + HNO3 =>
12 NO2 + 5 H2 = 2 HN2 + 8 HNO3
K2O4 + CO2 = K2C2 + O2 =>
K2O4 + 2 CO2 = K2C2 + 4 O2
KMnO4 + Na2SO3 + H3PO4 = K3PO4 + Mn3(PO4)2 + Na2SO4 + H2O =>
6 KMnO4 + 15 Na2SO3 + 6 H3PO4 = 2 K3PO4 + 2 Mn3(PO4)2 + 15 Na2SO4 + 9 H2O
CuCl2 + Na3 = NaCl + Cu3 =>
3 CuCl2 + 2 Na3 = 6 NaCl + Cu3
Ca(OH)2(s) + H3Po4(aq) = H2O(l) + Ca3(Po4)2(s) =>
3 Ca(OH)2(s) + 2 H3Po4(aq) = 6 H2O(l) + Ca3(Po4)2(s)
Cu(No3)2 + Ni = Cu + NiNo32 =>
16 Cu(No3)2 + 3 Ni = 16 Cu + 3 NiNo32
Ca(OH)2(s) + CO2(g) = CaCO3(g) + H2O(g) =>
Ca(OH)2(s) + CO2(g) = CaCO3(g) + H2O(g)
Cl2 + ZnBr2 = ZnCl2 + Br2 =>
Cl2 + ZnBr2 = ZnCl2 + Br2
XOCH3 + O2 = XOH + CO2 + H2O =>
2 XOCH3 + 3 O2 = 2 XOH + 2 CO2 + 2 H2O
C2O4H2 + H2O = C2O4H + H3O =>
C2O4H2 + H2O = C2O4H + H3O
Li3PO4 + HNO3 = H3PO4 + LiNO3 =>
Li3PO4 + 3 HNO3 = H3PO4 + 3 LiNO3
H2SO4 + NaH = NaOH + H2SO3 =>
H2SO4 + NaH = NaOH + H2SO3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
H2SO4 + NaH = NaOH + H2SO3 =>
H2SO4 + NaH = NaOH + H2SO3
Al2I3 + AgNO3 = Al(NO3)3 + Ag2I =>
Al2I3 + 6 AgNO3 = 2 Al(NO3)3 + 3 Ag2I
NH4HCO3 + H2SO4 = NH4HSO4 + H2O + CO2 =>
NH4HCO3 + H2SO4 = NH4HSO4 + H2O + CO2
CuCl2 + Ba(No3)2 = Cu(No3)2 + BaCl2 =>
CuCl2 + Ba(No3)2 = Cu(No3)2 + BaCl2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H2SO4 + NaH = NaOH + H2SO3 =>
H2SO4 + NaH = NaOH + H2SO3
CaCO3 + CO2 + H2O = Ca[HCO3]2 =>
CaCO3 + CO2 + H2O = Ca[HCO3]2
Mn(OH)2 + Cl2 + KOH = MnO2 + KCl + H2O =>
Mn(OH)2 + Cl2 + 2 KOH = MnO2 + 2 KCl + 2 H2O
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