| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr + KOH + 3 H2O = K[Cr(OH)4] + 3 H
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4 =>
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4
Cu2O + C2 = Cu + CO =>
2 Cu2O + C2 = 4 Cu + 2 CO
CN2 = C + N =>
CN2 = C + 2 N
Ba + Ni3(PO4)2 = Ni + Ba3(PO4)2 =>
3 Ba + Ni3(PO4)2 = 3 Ni + Ba3(PO4)2
NaHCO3(aq) + HNO3(aq) = NaNO3 + H2O + CO2 =>
NaHCO3(aq) + HNO3(aq) = NaNO3 + H2O + CO2
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4 + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4 + 2 NaNO3(aq)
K2S(aq) + Pb(NO3)2(aq) = K(NO3) + PbS =>
K2S(aq) + Pb(NO3)2(aq) = 2 K(NO3) + PbS
H{+} + Cr2O7 + C2H6O = C2H4O2 + Cr3{+} + H2O =>
2 H{+} + 3 Cr2O7 + 10 C2H6O = 10 C2H4O2 + 2 Cr3{+} + 11 H2O
S2O8{2-} + H2O = SO4{2-} + O2 + H{+} =>
2 S2O8{2-} + 2 H2O = 4 SO4{2-} + O2 + 4 H{+}
Cu(OH)2 + NaNO3 = Cu(NO3)2 + NaOH =>
Cu(OH)2 + 2 NaNO3 = Cu(NO3)2 + 2 NaOH
KI + NH4Cl = KCl + INH4 =>
KI + NH4Cl = KCl + INH4
N2H6SO4 + CuCl2 + NaOH = CuOH + NaCl + Na2SO4 + N2 + H2O =>
N2H6SO4 + 4 CuCl2 + 10 NaOH = 4 CuOH + 8 NaCl + Na2SO4 + N2 + 6 H2O
Mg(NO3)2(aq) + K(s) = Mg(s) + K(NO3)(aq) =>
Mg(NO3)2(aq) + 2 K(s) = Mg(s) + 2 K(NO3)(aq)
MgBr + F = MgF + Br2 =>
2 MgBr + 2 F = 2 MgF + Br2
KClO3 + MnO2 = KCl + Mn2O7 =>
KClO3 + 2 MnO2 = KCl + Mn2O7
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
KF + H2O = KOH + FH =>
KF + H2O = KOH + FH
Pb(C2H3O2)2 + KI = PbI2 + K(C2H3O2) =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 K(C2H3O2)
Ca + O2 + H2O = Ca(OH)2 =>
2 Ca + O2 + 2 H2O = 2 Ca(OH)2
Al + B = AlB2 =>
Al + 2 B = AlB2
SiO2 + K2O = K2SiO3 =>
SiO2 + K2O = K2SiO3
C13H20O + H2 = C13H26O =>
C13H20O + 3 H2 = C13H26O
Ga + Cl2 = GaCl2 =>
Ga + Cl2 = GaCl2
OH{-} = O2 + H2O + {-} =>
4 OH{-} = O2 + 2 H2O + 4e
NH4SCN + (NH4)2Cr2O7 = NH4[Cr(NH3)2(SCN)4]H2O + NH3 + O2 + H2O =>
16 NH4SCN + 2(NH4)2Cr2O7 = 4 NH4[Cr(NH3)2(SCN)4]H2O + 8 NH3 + 3 O2 + 4 H2O
Ca(CH3COO)2 = Ca + CH3COO =>
Ca(CH3COO)2 = Ca + 2 CH3COO
C5H4N4(purine) + O2 = C5H4N4O3(uricacid) =>
2 C5H4N4(purine) + 3 O2 = 2 C5H4N4O3(uricacid)
Fe + HgO = FeO + Hg =>
Fe + HgO = FeO + Hg
V5Si3 + C = V2C + Si =>
2 V5Si3 + 5 C = 5 V2C + 6 Si
KClO3 + H2S = KCl + H2SO4 =>
4 KClO3 + 3 H2S = 4 KCl + 3 H2SO4
K2Cr2O7 + KBr + H2O = Cr(OH)3 + Br2 + KOH =>
K2Cr2O7 + 6 KBr + 7 H2O = 2 Cr(OH)3 + 3 Br2 + 8 KOH
C + OH = C2OH =>
2 C + OH = C2OH
NH4SCN + (NH4)2Cr2O7 = (NH4)[Cr(SCN)4(NH3)2] + NH3 + H2O + CO2 + SO2 =>
9 NH4SCN + (NH4)2Cr2O7 = 2(NH4)[Cr(SCN)4(NH3)2] + 6 NH3 + 3 H2O + CO2 + SO2
Ag2CO3 + Mg = Mg(CO3)2 + Ag =>
2 Ag2CO3 + Mg = Mg(CO3)2 + 4 Ag
Ca(NO2)2 + HNO3 = Ca(NO3)2 + NO2 + H2O =>
Ca(NO2)2 + 4 HNO3 = Ca(NO3)2 + 4 NO2 + 2 H2O
NO + OH{-} = NO3{-} + H2O + e =>
NO + 4 OH{-} = NO3{-} + 2 H2O + 3e
Al + C2 = AlC3 =>
2 Al + 3 C2 = 2 AlC3
KMnO4 + HCHO + NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O =>
2 KMnO4 + HCHO + 2 NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O
Zn(OH)2 + NH4NO3 + NH4OH = Zn(NH3)4NO3 + H2O =>
8 Zn(OH)2 + 7 NH4NO3 + 26 NH4OH = 8 Zn(NH3)4NO3 + 39 H2O
Al + OH{-} = Al(OH)4{-} + e =>
Al + 4 OH{-} = Al(OH)4{-} + 3e
SiO3 + H = Si + H2O =>
SiO3 + 6 H = Si + 3 H2O
Al2(SO4)3 + NH4Br = AlBr3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH4Br = 2 AlBr3 + 3(NH4)2SO4
Br2 + NaHSO4 = NaBrHSO4 =>
Br2 + 2 NaHSO4 = 2 NaBrHSO4
CH3CH2Cl + NH3 = C2H5NH2 + HCl =>
CH3CH2Cl + NH3 = C2H5NH2 + HCl
NaOH(aq) + C8H5KO4(aq) = Na{+} + C8H4KO4{-} + H2O(l) =>
NaOH(aq) + C8H5KO4(aq) = Na{+} + C8H4KO4{-} + H2O(l)
NaAlO2 + H2O2 = Al(OH)4{-} + Na{+} + O2 =>
NaAlO2 + 2 H2O2 = Al(OH)4{-} + Na{+} + O2
O2 + SI = SIO2 =>
O2 + SI = SIO2
SnCl2 + KIO3 = Sn(IO3)2 + KCl =>
SnCl2 + 2 KIO3 = Sn(IO3)2 + 2 KCl
H3 + PO4 + NaOH = Na3PO4 + H2O =>
H3 + PO4 + 3 NaOH = Na3PO4 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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