| Équations équilibrées la veille |
CaCO3 + 2 HCl = CaCl2 + H2O + CO2*
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
FeI3 = FeI2 + I2 =>
2 FeI3 = 2 FeI2 + I2
NH2Cl + HClO = HCl + N2 + H2O =>
2 NH2Cl + HClO = 3 HCl + N2 + H2O
NH4C2O4 + Ca(NO3)2 = CaC2O4 + NH4(NO3)2 =>
NH4C2O4 + Ca(NO3)2 = CaC2O4 + NH4(NO3)2
Cr(NO3)2 + Mg = Cr + Mg(NO3)2 =>
Cr(NO3)2 + Mg = Cr + Mg(NO3)2
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
NH3 + NH4Br = N2H4 + H3Br =>
NH3 + NH4Br = N2H4 + H3Br
AgNO3(aq)KSCN(aq) = AgSCN(aq)KNO3(s) =>
AgNO3(aq)KSCN(aq) = AgSCN(aq)KNO3(s)
PbCl2 + KMnO4 = Pb(MnO4)2 + KCl =>
PbCl2 + 2 KMnO4 = Pb(MnO4)2 + 2 KCl
KClO3 + HCl = KCl + H2O + Cl2 =>
KClO3 + 6 HCl = KCl + 3 H2O + 3 Cl2
KMnO4 + NaOH + C12H22O11 = KMnO8 + Na + CH2 =>
13 KMnO4 + 8 NaOH + 4 C12H22O11 = 13 KMnO8 + 8 Na + 48 CH2
Mg(NO3)2 + Na2O = NaNO3 + MgO =>
Mg(NO3)2 + Na2O = 2 NaNO3 + MgO
Ca + Fe(SO4)2 = Ca(SO4)2 + Fe2 =>
2 Ca + 2 Fe(SO4)2 = 2 Ca(SO4)2 + Fe2
Li3N(s) + H2O(l) = Li{+} + OH{-} + NH3 =>
Li3N(s) + 3 H2O(l) = 3 Li{+} + 3 OH{-} + NH3
H2SO3 + Ca = CaSO3H2 =>
H2SO3 + Ca = CaSO3H2
K2Cr2O7 + H2SO4 + C3H8OH = Cr2(SO4)3 + H2O(l) + CH3CHO + K2SO4 =>
4 K2Cr2O7 + 16 H2SO4 + 6 C3H8OH = 4 Cr2(SO4)3 + 25 H2O(l) + 9 CH3CHO + 4 K2SO4
KMnO4 + NaOH + C12H22O11 = KMnO8 + Na + CH2 =>
13 KMnO4 + 8 NaOH + 4 C12H22O11 = 13 KMnO8 + 8 Na + 48 CH2
PbNO3 + NaS = Pb2S2 + NaNO3 =>
2 PbNO3 + 2 NaS = Pb2S2 + 2 NaNO3
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
H2O + F2O + Sb = F{-} + SbO{+} + H{+} =>
H2O + 3 F2O + 4 Sb = 6 F{-} + 4 SbO{+} + 2 H{+}
Mo + Na2O2 = MoO4 + Na =>
Mo + 2 Na2O2 = MoO4 + 4 Na
C2H6 + Br2 = HBr + C2H5 =>
2 C2H6 + Br2 = 2 HBr + 2 C2H5
Al + Pb(C2H3O3)4 = Al(C2H3O3) + Pb =>
4 Al + Pb(C2H3O3)4 = 4 Al(C2H3O3) + Pb
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
Me2SiCl2 + H2O = (Me2Si(OH)2) + HCl =>
Me2SiCl2 + 2 H2O = (Me2Si(OH)2) + 2 HCl
MnO + NH4Cl = MnCl2 + NH3 + H2O =>
MnO + 2 NH4Cl = MnCl2 + 2 NH3 + H2O
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
HS2O4 + H = S + H2O =>
HS2O4 + 7 H = 2 S + 4 H2O
MnO + O2 = Mn2O4 =>
2 MnO + O2 = Mn2O4
KNO3 + HCl + FeCl2 = N2O + FeCl3 + KCl + H2O =>
2 KNO3 + 10 HCl + 8 FeCl2 = N2O + 8 FeCl3 + 2 KCl + 5 H2O
Ni2 + Ag(NO3)1 = Ag + Ni(NO3)2 =>
Ni2 + 4 Ag(NO3)1 = 4 Ag + 2 Ni(NO3)2
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Cu(NO3)2 + NH3 = Cu3N2 + HNO3 =>
3 Cu(NO3)2 + 2 NH3 = Cu3N2 + 6 HNO3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HF + B2O3 = HBF4 + H2O =>
8 HF + B2O3 = 2 HBF4 + 3 H2O
C25H52(l) + O2(g) = CO2(g) + H2O(g) =>
C25H52(l) + 38 O2(g) = 25 CO2(g) + 26 H2O(g)
Mg(NO3)2 + Na2O = NaNO3 + MgO =>
Mg(NO3)2 + Na2O = 2 NaNO3 + MgO
NaOH + Al2(SO4)3 = Al(OH)3 + Na2SO4 =>
6 NaOH + Al2(SO4)3 = 2 Al(OH)3 + 3 Na2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe(NO3)3 + K2CO3 = Fe2(CO3)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KNO3
NaPb2(CO3)2OH + HCl = PbCO3 + NaCl + H2O =>
NaPb2(CO3)2OH + HCl = 2 PbCO3 + NaCl + H2O
Cr2O3 + KNO3 + KOH = KCrO3 + KNO2 + H2O =>
Cr2O3 + 2 KNO3 + 2 KOH = 2 KCrO3 + 2 KNO2 + H2O
H2O2 + Pb = Pb5O2 + H2 =>
H2O2 + 5 Pb = Pb5O2 + H2
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