| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cd(NO3)2 = 4 NO2 + O2 + 2 CdO
C6H12O6 + AgNO3 = AgNH + H2O + CO2 =>
7 C6H12O6 + 24 AgNO3 = 24 AgNH + 30 H2O + 42 CO2
C4H9OH = C4H8 + H2O =>
C4H9OH = C4H8 + H2O
Ca3(PO4)2 + H2O = Ca(OH)2 + H3PO4 =>
Ca3(PO4)2 + 6 H2O = 3 Ca(OH)2 + 2 H3PO4
CaCl2 + NH3 = CaH2 + NCl3 =>
3 CaCl2 + 2 NH3 = 3 CaH2 + 2 NCl3
Cd + HClO4 = Cd(ClO4)2 + H2O + Cl2O3 =>
4 Cd + 10 HClO4 = 4 Cd(ClO4)2 + 5 H2O + Cl2O3
Ca + CuF = CaF2 + Cu =>
Ca + 2 CuF = CaF2 + 2 Cu
KCl + SO3 = Cl2 + K2SO3 =>
2 KCl + SO3 = Cl2 + K2SO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na3As = Na + As =>
Na3As = 3 Na + As
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
HY + KOH = KY + H2O =>
HY + KOH = KY + H2O
Al2(SO4)3(aq) + Ca(OH)2(aq) = Al(OH)3(s) + CaSO4(aq) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(aq) = 2 Al(OH)3(s) + 3 CaSO4(aq)
C4H10O + K2Cr2O7 + H2SO4 = C4H8O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C4H10O + 2 K2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Fe(OH)2 + HF = FeF2 + H2O =>
Fe(OH)2 + 2 HF = FeF2 + 2 H2O
P + CuSO4 + H2O = Cu + H2SO4 + H3PO4 =>
2 P + 5 CuSO4 + 8 H2O = 5 Cu + 5 H2SO4 + 2 H3PO4
ZnSO4 + Na2HPO4 = Zn3(PO4)2 + Na2SO4 + H2SO4 =>
3 ZnSO4 + 2 Na2HPO4 = Zn3(PO4)2 + 2 Na2SO4 + H2SO4
Ca(OH)2 + HCI = Ca(CI)2 + H2O =>
Ca(OH)2 + 2 HCI = Ca(CI)2 + 2 H2O
KMnO4 + Fe + HCl = FeCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 Fe + 16 HCl = 5 FeCl2 + 2 MnCl2 + 2 KCl + 8 H2O
H3(PO)4 + KOH = K3(PO)4 + H2O =>
H3(PO)4 + 3 KOH = K3(PO)4 + 3 H2O
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
HNO3 + NaNO2 = NaNO3 + HNO2 =>
HNO3 + NaNO2 = NaNO3 + HNO2
K2CrO4 + Ba(NO3)2 = K{+} + NO3{-} + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 K{+} + 2 NO3{-} + BaCrO4
NH4 + O2 = H2O + N3O =>
6 NH4 + 7 O2 = 12 H2O + 2 N3O
Cr((N2H4CO)6)4(CrC6N6)3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
Cr((N2H4CO)6)4(CrC6N6)3 + 114 KMnO4 + 136 H2SO4 = 2 K2Cr2O7 + 114 MnSO4 + 42 CO2 + 66 KNO3 + 22 K2SO4 + 184 H2O
C7H6O2 + H2O = C2H6O + H3O2 =>
2 C7H6O2 + 51 H2O = 7 C2H6O + 24 H3O2
Al + H2Cl = H2 + AlCl2 =>
Al + 2 H2Cl = 2 H2 + AlCl2
Cu + HNo3 = HCu + No3 =>
Cu + HNo3 = HCu + No3
Ca + Cl2 + H2O = Ca(OH)2 + HCl =>
Ca + Cl2 + 2 H2O = Ca(OH)2 + 2 HCl
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + (NH4)2(NO3)2 =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + (NH4)2(NO3)2
MgF2 + Cl2 = ClMg + F =>
2 MgF2 + Cl2 = 2 ClMg + 4 F
Ca(OH)2 + (NH4)2C2O4 = CaC2O4 + (NH4)(OH) =>
Ca(OH)2 + (NH4)2C2O4 = CaC2O4 + 2(NH4)(OH)
Pb(Ac)2 + NH4OH = PbOH + NH4(Ac)2 =>
Pb(Ac)2 + NH4OH = PbOH + NH4(Ac)2
PbS + CaC2 = Pb + CaS + C2S =>
2 PbS + CaC2 = 2 Pb + CaS + C2S
C6H3N2O4Cl + KOH = C6H4N2O5 + Cl + K =>
C6H3N2O4Cl + KOH = C6H4N2O5 + Cl + K
HgS + KOH + NH4Cl + H2O2 = Hg2Cl2 + K2S5 + NH4OH =>
10 HgS + 4 KOH + 10 NH4Cl + 3 H2O2 = 5 Hg2Cl2 + 2 K2S5 + 10 NH4OH
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe2O3 + Mg = Mg3O3 + Fe =>
Fe2O3 + 3 Mg = Mg3O3 + 2 Fe
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + C4H7COH + H2O =>
8 K2Cr2O7 + 32 H2SO4 + 15 C4H9OH = 8 Cr2(SO4)3 + 8 K2SO4 + 12 C4H7COH + 59 H2O
CuN2O6 + IK = CuI2 + KNO3 =>
CuN2O6 + 2 IK = CuI2 + 2 KNO3
Ca3(PO4)2 + H2O = Ca(OH)2 + H3PO4 =>
Ca3(PO4)2 + 6 H2O = 3 Ca(OH)2 + 2 H3PO4
KSCN + HCl = HSCN + KCl =>
KSCN + HCl = HSCN + KCl
CuO(s) + H2SO4(l) = CuSO4(l) + H2O(l) =>
CuO(s) + H2SO4(l) = CuSO4(l) + H2O(l)
Sn + CO3Na2 = SnO + CO + Na2O =>
Sn + CO3Na2 = SnO + CO + Na2O
K2CrO4 + H2S + HNO3 = KNO3 + Cr(NO3)3 + S + H2O =>
2 K2CrO4 + 3 H2S + 10 HNO3 = 4 KNO3 + 2 Cr(NO3)3 + 3 S + 8 H2O
HBr + Ag2CO3 = CO2 + H2O + AgBr =>
2 HBr + Ag2CO3 = CO2 + H2O + 2 AgBr
Li + HNO3 = LiNO3 + H2 =>
2 Li + 2 HNO3 = 2 LiNO3 + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu(NO3)2(aq) + KOH(aq) = Cu(OH)2(s) + KNO3(aq) =>
Cu(NO3)2(aq) + 2 KOH(aq) = Cu(OH)2(s) + 2 KNO3(aq)
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