| Équations équilibrées la veille |
2 H2 + O2 = 2 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
C4H6O2 + O2 = CO2 + H2O =>
2 C4H6O2 + 9 O2 = 8 CO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KMnO4 + C2H5OH = H2O + C2H5O + KOH + MnO2 =>
KMnO4 + 3 C2H5OH = H2O + 3 C2H5O + KOH + MnO2
NaC2H3O2 + AgNO3 = NaNO3 + AgC2H3O2 =>
NaC2H3O2 + AgNO3 = NaNO3 + AgC2H3O2
PbSO4 + NaOH = Na[Pb(OH)3] + Na2SO4 =>
PbSO4 + 3 NaOH = Na[Pb(OH)3] + Na2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaO + Br2O = CaBr2O2 =>
CaO + Br2O = CaBr2O2
C3H6O2 + Ca(OH)2 = C6H10CaO4 + H2O =>
2 C3H6O2 + Ca(OH)2 = C6H10CaO4 + 2 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
MnO2 + NaOH + NaOCl = Na2MnO4 + NaCl + H2O =>
MnO2 + 2 NaOH + NaOCl = Na2MnO4 + NaCl + H2O
MgCO3 + H2SO4 = MgSO4 + H2O + CO2 =>
MgCO3 + H2SO4 = MgSO4 + H2O + CO2
CU + HF = CUF2 + H2 =>
CU + 2 HF = CUF2 + H2
CO2 + Al(OH)3 = Al(HCO3)3 =>
3 CO2 + Al(OH)3 = Al(HCO3)3
H3PO4 + LiOH = Li3PO4 + H2O =>
H3PO4 + 3 LiOH = Li3PO4 + 3 H2O
C6H5CH3NO2 + H2 = C6H5CH3NH2 + H2O =>
C6H5CH3NO2 + 3 H2 = C6H5CH3NH2 + 2 H2O
NO2{-} + H2SO4 = SO4{-2} + H2O + NO + HNO3 =>
6 NO2{-} + 3 H2SO4 = 3 SO4{-2} + 2 H2O + 4 NO + 2 HNO3
K2PtCl2 + NH3 = KCl + Pt(NH3)2 =>
K2PtCl2 + 2 NH3 = 2 KCl + Pt(NH3)2
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
AlF3 + K2CO3 = Al2(CO3)3 + FK =>
2 AlF3 + 3 K2CO3 = Al2(CO3)3 + 6 FK
Ar + F = ArF2 =>
Ar + 2 F = ArF2
H3NBH3 + H2O = BOH3 + NH4 + H2 =>
2 H3NBH3 + 2 H2O = 2 BOH3 + 2 NH4 + H2
K2Cr2O7 + H2O = Cr + O2 + KOH =>
K2Cr2O7 + H2O = 2 Cr + 3 O2 + 2 KOH
Al2(SO4)3 + Ba(ClO3)2 = BaSO4 + Al(ClO3)3 =>
Al2(SO4)3 + 3 Ba(ClO3)2 = 3 BaSO4 + 2 Al(ClO3)3
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Br2(l) + KI(aq) = KBr(aq) + I2(s) =>
Br2(l) + 2 KI(aq) = 2 KBr(aq) + I2(s)
BaCO3 + HCl = BaCl2 + H2CO3 =>
BaCO3 + 2 HCl = BaCl2 + H2CO3
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
K2S2O8 + H2O = K2SO4 + H2SO4 + O2 =>
2 K2S2O8 + 2 H2O = 2 K2SO4 + 2 H2SO4 + O2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
NaC2H3O2 + H2SO4 = Na2SO4 + HC2H3O2 =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HC2H3O2
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NaCl + O3 = NaClO2 =>
3 NaCl + 2 O3 = 3 NaClO2
BaSO4 + NaOH = Na2SO4 + Ba(OH)2 =>
BaSO4 + 2 NaOH = Na2SO4 + Ba(OH)2
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
AgCl3 = Ag + Cl =>
AgCl3 = Ag + 3 Cl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H9OH + O2 = C4H7O2H + H2O =>
C4H9OH + O2 = C4H7O2H + H2O
CoCl2 + AgNO3 = Co(NO3)2 + AgCl =>
CoCl2 + 2 AgNO3 = Co(NO3)2 + 2 AgCl
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Fe2(SO4)3 + BaI2 = FeI3 + BaSO4 =>
Fe2(SO4)3 + 3 BaI2 = 2 FeI3 + 3 BaSO4
K2S2O8 + H2O = KHSO4 + H2O2 =>
K2S2O8 + 2 H2O = 2 KHSO4 + H2O2
Al2(SO4)3 + Na3PO4(aq) = AlPO4 + Na2SO4 =>
Al2(SO4)3 + 2 Na3PO4(aq) = 2 AlPO4 + 3 Na2SO4
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
K2[Ni(CN)4] + KClO + KOH = KCl + Ni2O3 + KCN + H2O =>
2 K2[Ni(CN)4] + KClO + 4 KOH = KCl + Ni2O3 + 8 KCN + 2 H2O
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