| Équations équilibrées la veille |
Cd(NO3)2 + K2S = CdS + K2(NO3)2
Mg3N2 + H3PO4 = Mg(H2PO4)2 + NH3 =>
Mg3N2 + 6 H3PO4 = 3 Mg(H2PO4)2 + 2 NH3
Cu(HSO3)2 + HNO3 = Cu(NO3)2 + H2O + SO2 =>
Cu(HSO3)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O + 2 SO2
Na3H2IO6 + H3PO3 = Na3PO4 + I2 + H3PO4 + H2O =>
2 Na3H2IO6 + 7 H3PO3 = 2 Na3PO4 + I2 + 5 H3PO4 + 5 H2O
N2 + H2 = HN3 =>
3 N2 + H2 = 2 HN3
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Ga(CN)3 + Sn(BrO3)4 = Sn(CN)4 + Ga(BrO3)3 =>
4 Ga(CN)3 + 3 Sn(BrO3)4 = 3 Sn(CN)4 + 4 Ga(BrO3)3
LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g) =>
2 LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g)
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
AlCl3 + LiOH = Al(OH)3 + LiCl =>
AlCl3 + 3 LiOH = Al(OH)3 + 3 LiCl
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
NaHCO3 + HCl = CO2 + H2O + NaCl* =>
NaHCO3 + HCl = CO2 + H2O + NaCl*
Li + ScCl3 = Sc + LiCl =>
3 Li + ScCl3 = Sc + 3 LiCl
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
KMgNO4 + H2O + KI = MgNO2 + KOH + KIO =>
2 KMgNO4 + H2O + 3 KI = 2 MgNO2 + 2 KOH + 3 KIO
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
K2Cr2O7 + HCIO4 + HI = KCIO4 + Cr(CIO4)3 + I2 + H2O =>
K2Cr2O7 + 8 HCIO4 + 6 HI = 2 KCIO4 + 2 Cr(CIO4)3 + 3 I2 + 7 H2O
Zn(OH)2(aq) + H2CO3(aq) = ZnCO3(s) + H2O =>
Zn(OH)2(aq) + H2CO3(aq) = ZnCO3(s) + 2 H2O
KMgNO4 + H2O + KI = MgNO2 + KOH + KIO =>
2 KMgNO4 + H2O + 3 KI = 2 MgNO2 + 2 KOH + 3 KIO
FeCl2 + HNO3 + H2SO4 = FeCl3 + NO + Fe2(SO4)3 + H2O =>
6 FeCl2 + 2 HNO3 + 3 H2SO4 = 4 FeCl3 + 2 NO + Fe2(SO4)3 + 4 H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
C7H5NO3 + C3H6O + HO{-} = C16H10N2O2 + CH3COO{-} + H2O =>
2 C7H5NO3 + 2 C3H6O + 2 HO{-} = C16H10N2O2 + 2 CH3COO{-} + 4 H2O
AlCl3 + AgNO3 = AgCl + Al(NO3)3 =>
AlCl3 + 3 AgNO3 = 3 AgCl + Al(NO3)3
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
MnO4{-} + I{-} + H{+} = Mn{2+} + I2 + H2O =>
2 MnO4{-} + 10 I{-} + 16 H{+} = 2 Mn{2+} + 5 I2 + 8 H2O
LiCH3COO + Zn3(AsO4)2 = Li3AsO4 + Zn(CH3COO)2 =>
6 LiCH3COO + Zn3(AsO4)2 = 2 Li3AsO4 + 3 Zn(CH3COO)2
Fe + H = HFe =>
Fe + H = HFe
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
MnCl2(aq) + K2S(aq) = MnS(s) + KCl(aq) =>
MnCl2(aq) + K2S(aq) = MnS(s) + 2 KCl(aq)
MgCl2 + Na2SO4 = MgSO4 + NaCl =>
MgCl2 + Na2SO4 = MgSO4 + 2 NaCl
Cr3{+} + H2O2 = CrO5 + H{+} + H2O =>
2 Cr3{+} + 29 H2O2 = 6 CrO5 + 2 H{+} + 28 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
KHCO3 + H2SO4 = K2SO4 + H2O + CO2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
C6H12O6 + HNO3 = NH4{+} + CO2 + OH{-} =>
C6H12O6 + 3 HNO3 = 3 NH4{+} + 6 CO2 + 3 OH{-}
HNO3CaHO2 = CaNO4H2O =>
HNO3CaHO2 = CaNO4H2O
Cu4SO4(OH)6 + HCl = CuCl2 + SO3 + H2O =>
Cu4SO4(OH)6 + 8 HCl = 4 CuCl2 + SO3 + 7 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe + HNO3 = FeO + HNO =>
2 Fe + HNO3 = 2 FeO + HNO
Pb(CN)2H2O = PbOH2(CN)2 =>
Pb(CN)2H2O = PbOH2(CN)2
C2H2O4 + NaOH = Na2C2O4 + H2O =>
C2H2O4 + 2 NaOH = Na2C2O4 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
C6H6O2 + O2 = CO2 + H2O =>
2 C6H6O2 + 13 O2 = 12 CO2 + 6 H2O
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