Équations équilibrées la veille |
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
PbCl2 + AgNO3 = Pb(NO3)2 + AgCl =>
PbCl2 + 2 AgNO3 = Pb(NO3)2 + 2 AgCl
Si2 + O2 = SiO2 =>
Si2 + 2 O2 = 2 SiO2
Ba(OH)2 + FeBr2 = Fe(OH)2 + BaBr2 =>
Ba(OH)2 + FeBr2 = Fe(OH)2 + BaBr2
CaO + CaCO3 = Ca2CO4 =>
CaO + CaCO3 = Ca2CO4
SnCl4 + Cl = [SnCl6] =>
SnCl4 + 2 Cl = [SnCl6]
HCO3 + HCl = H2CO3 + Cl =>
HCO3 + HCl = H2CO3 + Cl
Ni + CuBr = NiBr2 + Cu =>
Ni + 2 CuBr = NiBr2 + 2 Cu
Ta + H2SO4 = Ta(SO4)3 + H2 =>
Ta + 3 H2SO4 = Ta(SO4)3 + 3 H2
Fe + HCIO3 = Fe(CIO3)2 + H2 =>
Fe + 2 HCIO3 = Fe(CIO3)2 + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KH + H2O = H2 + KOH =>
KH + H2O = H2 + KOH
C9H6O6 + KOH = H2O + K3C9H3O6 =>
C9H6O6 + 3 KOH = 3 H2O + K3C9H3O6
SO3 + Ca(OH)2 = CaSO4 + H2O =>
SO3 + Ca(OH)2 = CaSO4 + H2O
Hg + CUSO4 = HgSO4 + CU =>
Hg + CUSO4 = HgSO4 + CU
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cu + Ag(CH3COO) = Ag + Cu(CH3COO)2 =>
Cu + 2 Ag(CH3COO) = 2 Ag + Cu(CH3COO)2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Li + CaCl = LiCl + Ca =>
Li + CaCl = LiCl + Ca
Hg + CuSO4 = Hg2SO4 + Cu =>
2 Hg + CuSO4 = Hg2SO4 + Cu
Br2 + NH4Cl = NH4Br + Cl2 =>
Br2 + 2 NH4Cl = 2 NH4Br + Cl2
C4H9Br + C2H5Br + Na = C6H14 + NaBr =>
C4H9Br + C2H5Br + 2 Na = C6H14 + 2 NaBr
ZnO + KOH = K2ZnO2 + H2O =>
ZnO + 2 KOH = K2ZnO2 + H2O
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
Hg + CuSO4 = HgSO4 + Cu =>
Hg + CuSO4 = HgSO4 + Cu
Sc + H2CO3 = Sc2(CO3)3 + H2 =>
2 Sc + 3 H2CO3 = Sc2(CO3)3 + 3 H2
Ca(NO3)2 + (NH4)2SO4 = CaSO4 + NH4NO3 =>
Ca(NO3)2 + (NH4)2SO4 = CaSO4 + 2 NH4NO3
CH3Br + H2O2 = CH3OH + Br2 =>
2 CH3Br + H2O2 = 2 CH3OH + Br2
KMnO4 + H2SO4 + Na2S2O3 = MnSO4 + K2SO4 + H2O + Na2SO4 =>
8 KMnO4 + 7 H2SO4 + 5 Na2S2O3 = 8 MnSO4 + 4 K2SO4 + 7 H2O + 5 Na2SO4
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
FeCl3 + H2(SO4) = Fe2(SO4)3 + HCl =>
2 FeCl3 + 3 H2(SO4) = Fe2(SO4)3 + 6 HCl
BeCl2 + NaOH = Be(OH)2 + NaCl =>
BeCl2 + 2 NaOH = Be(OH)2 + 2 NaCl
B + F2 = BF3 =>
2 B + 3 F2 = 2 BF3
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CrO4{-} + H2O2 = Cr(OH){-} + O2 =>
2 CrO4{-} + H2O2 = 2 Cr(OH){-} + 4 O2
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
NO + H2O = NH3 + HNO2 =>
6 NO + 4 H2O = NH3 + 5 HNO2
Ag(NO)3 + KOH = Ag(OH)3 + KNO =>
Ag(NO)3 + 3 KOH = Ag(OH)3 + 3 KNO
PbI2 + Zn = ZnI2 + Pb0 =>
PbI2 + Zn = ZnI2 + Pb0
Na + Fe(ClO3)2 = Na(ClO3)2 + Fe =>
Na + Fe(ClO3)2 = Na(ClO3)2 + Fe
Fe(s) + H3PO4(aq) = Fe3(PO4)2(aq) + H2(g) =>
3 Fe(s) + 2 H3PO4(aq) = Fe3(PO4)2(aq) + 3 H2(g)
KNO3 = O2 + NO2 + K2O =>
4 KNO3 = O2 + 4 NO2 + 2 K2O
TiO2 + H2O = Ti(OH)4 =>
TiO2 + 2 H2O = Ti(OH)4
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