| Équations équilibrées la veille |
Cu(NO3)2 + Pb = PbCu + 2 NO3
H3PO4 + Fe(OH)2 = H2O + Fe(HPO4) =>
H3PO4 + Fe(OH)2 = 2 H2O + Fe(HPO4)
FeCl3 + Na2CO3 + H2O = Fe(OH)3 + NaHCO3 + NaCl =>
FeCl3 + 3 Na2CO3 + 3 H2O = Fe(OH)3 + 3 NaHCO3 + 3 NaCl
H2 + Cu = CuH =>
H2 + 2 Cu = 2 CuH
O2 + GaCl3 = Ga(ClO3)3 =>
9 O2 + 2 GaCl3 = 2 Ga(ClO3)3
NaO + H2 = NaOH =>
2 NaO + H2 = 2 NaOH
NaCl(aq) + F2 = NaF(aw) + Cl2(g) =>
2 NaCl(aq) + F2 = 2 NaF(aw) + Cl2(g)
Ca(HS)2 + NaOH = Ca(OH)2 + H2S + Na2S =>
Ca(HS)2 + 2 NaOH = Ca(OH)2 + H2S + Na2S
Fe(ClO2)2 = Fe{2+} + ClO2{-} =>
Fe(ClO2)2 = Fe{2+} + 2 ClO2{-}
FeCl3 + K3Fe(Cn)6 = FeFe(Cn)6 + KCl =>
FeCl3 + K3Fe(Cn)6 = FeFe(Cn)6 + 3 KCl
BeCl2 + NaOH = NaCl + Na2Be(OH)4 =>
BeCl2 + 4 NaOH = 2 NaCl + Na2Be(OH)4
C3H5S2OH + O2 = CO2 + H2O + SO2 =>
C3H5S2OH + 6 O2 = 3 CO2 + 3 H2O + 2 SO2
C4H9OH + KMnO4 = C4H8OO + MnO2 + KOH + H2O =>
3 C4H9OH + 4 KMnO4 = 3 C4H8OO + 4 MnO2 + 4 KOH + H2O
KPo4 + MgCl = MgPo4 + KCl =>
KPo4 + MgCl = MgPo4 + KCl
Na(s) + FeBr3(aq) = Fe(s) + NaBr(aq) =>
3 Na(s) + FeBr3(aq) = Fe(s) + 3 NaBr(aq)
CH3CH2CCH + Br2 = CH3CH2CBr2 + CHBr2 =>
CH3CH2CCH + 2 Br2 = CH3CH2CBr2 + CHBr2
C2H5OH + CUO = CH3CHO + CU + H2O =>
C2H5OH + CUO = CH3CHO + CU + H2O
LiN + NH4(NO3) = LiNO3 + NH4N =>
LiN + NH4(NO3) = LiNO3 + NH4N
HgOH + HNO4 = HgNO4 + H2O =>
HgOH + HNO4 = HgNO4 + H2O
CuNO3 + NaBr = CuBr2 + Na2NO3 =>
CuNO3 + 2 NaBr = CuBr2 + Na2NO3
C8H10N4O2(s) + O2(g) = H2O(l) + CO2(g) + N2(g) =>
2 C8H10N4O2(s) + 19 O2(g) = 10 H2O(l) + 16 CO2(g) + 4 N2(g)
K2Cr2O7(aq) + HCl(aq) = KCl(aq) + CrCl3(aq) + H2O(l) + Cl2(g) =>
K2Cr2O7(aq) + 14 HCl(aq) = 2 KCl(aq) + 2 CrCl3(aq) + 7 H2O(l) + 3 Cl2(g)
NH3 + NO2 + H2O = NH4NO2 =>
8 NH3 + 6 NO2 + 2 H2O = 7 NH4NO2
CuFeS2 + HNO3 = CuSO4 + H2SO4 + Fe2(NO3)3 + NO2 + H2O =>
2 CuFeS2 + 34 HNO3 = 2 CuSO4 + 2 H2SO4 + Fe2(NO3)3 + 31 NO2 + 15 H2O
Br{-} = Br2 + {-} =>
2 Br{-} = Br2 + 2e
NH3(g) + O2(g) = NO2(g) + H2O(g) =>
4 NH3(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(g)
Ca + Br2 = Ca7Br2 =>
7 Ca + Br2 = Ca7Br2
Pb + K2SO4 = K + PbSO4 =>
Pb + K2SO4 = 2 K + PbSO4
S2 + H2O = H2SO =>
S2 + 2 H2O = 2 H2SO
Zn + H2SiO3 = Zn2SiO3 + H2 =>
2 Zn + H2SiO3 = Zn2SiO3 + H2
Re(OH)4 + Ra(OH)2 + HCl = RaReCl6 + H2O =>
Re(OH)4 + Ra(OH)2 + 6 HCl = RaReCl6 + 6 H2O
Cu + SnCl2 = Sn + CuCl =>
2 Cu + SnCl2 = Sn + 2 CuCl
Be(s) + O2(l) = BeO2(s) =>
Be(s) + O2(l) = BeO2(s)
ZnSO4 + NaH2PO4 = ZnPO3 + NaSO4 + H2O =>
ZnSO4 + NaH2PO4 = ZnPO3 + NaSO4 + H2O
U + MnO2 = UO2 + Mn =>
U + MnO2 = UO2 + Mn
Zn + HNO3 = ZnHO2 + NO =>
Zn + HNO3 = ZnHO2 + NO
SrO + BeO + Be3N2 = SrBe4O2N2 =>
SrO + BeO + Be3N2 = SrBe4O2N2
H2C4H4O6 + NaOH = NaC4H4O6 + H2OH =>
H2C4H4O6 + NaOH = NaC4H4O6 + H2OH
CaCl + NaCo3 = NaCl + CaCo3 =>
CaCl + NaCo3 = NaCl + CaCo3
MgO + AgS = MgS + AgO =>
MgO + AgS = MgS + AgO
NiCO3 + Zn(CH3CO2)2 = Ni(CH3CO2)2 + ZnCO3 =>
NiCO3 + Zn(CH3CO2)2 = Ni(CH3CO2)2 + ZnCO3
H2O + SO3 = H2SO3 + OH =>
2 H2O + SO3 = H2SO3 + 2 OH
BaI2 + Na2CO3 = NaI + BaCO3 =>
BaI2 + Na2CO3 = 2 NaI + BaCO3
CH3COOK + O2 = CO2 + H2O + K2CO3 =>
2 CH3COOK + 4 O2 = 3 CO2 + 3 H2O + K2CO3
Ca + P = Ca2P5 =>
2 Ca + 5 P = Ca2P5
Li + HNO3 = LiNO3 + H =>
Li + HNO3 = LiNO3 + H
Ca3(Po4)2 + H3Po4 + H2O = Ca(H2Po4)2*H2O =>
Ca3(Po4)2 + 4 H3Po4 + 3 H2O = 3 Ca(H2Po4)2*H2O
NBr3(l) = N2(g) + Br(g) =>
2 NBr3(l) = N2(g) + 6 Br(g)
Zn + Cr7Cl3 = Cr + ZnCl2 =>
3 Zn + 2 Cr7Cl3 = 14 Cr + 3 ZnCl2
HCl + FeS3 = FeCl + HS3 =>
HCl + FeS3 = FeCl + HS3
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