| Équations équilibrées la veille |
2 LiBr + F2 = 2 Li + 2 FBr
KHCO3 + H3PO4 = K2HPO4 + H2O + CO2 =>
2 KHCO3 + H3PO4 = K2HPO4 + 2 H2O + 2 CO2
C6H5N2Cl = C6H5Cl + N2 =>
C6H5N2Cl = C6H5Cl + N2
P2O3 + Fe(NO3)2 = P2O5 + Fe2O3 + NO2 =>
P2O3 + 4 Fe(NO3)2 = P2O5 + 2 Fe2O3 + 8 NO2
Pb2O4(s) = PbO(s) + O(g) =>
Pb2O4(s) = 2 PbO(s) + 2 O(g)
Fe(C2O4)3 + NaOH = Fe(OH)3 + Na(C2O4) =>
Fe(C2O4)3 + 3 NaOH = Fe(OH)3 + 3 Na(C2O4)
NaHCO3 + CuSO4 = Na2SO4 + Cu(OH)2 + CO2 =>
2 NaHCO3 + CuSO4 = Na2SO4 + Cu(OH)2 + 2 CO2
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
C3H7OH + [Cr2O7]2{-} + H{+} = Cr3{+} + C2H5COOH + H2O =>
77 C3H7OH + 12[Cr2O7]2{-} + 28 H{+} = 16 Cr3{+} + 77 C2H5COOH + 91 H2O
C6H8O7 + Cu2(OH)2CO3 + NaOH = Cu3(C6H4O7)2Na + CO2 + H2O =>
35 C6H8O7 + 27 Cu2(OH)2CO3 + 18 NaOH = 18 Cu3(C6H4O7)2Na + 21 CO2 + 104 H2O
Cr + NaOH + H2O = NaCrO2 + H2 =>
2 Cr + 2 NaOH + 2 H2O = 2 NaCrO2 + 3 H2
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
CH2CH2CH3 + CuO = CH3CH2COH + Cu + H2O =>
2 CH2CH2CH3 + 3 CuO = 2 CH3CH2COH + 3 Cu + H2O
[Cr2O7]{2-} + [Fe]{2+} + [H]{+} = [Fe]{3+} + [Cr]{3+} + [H2O] =>
[Cr2O7]{2-} + 6[Fe]{2+} + 14[H]{+} = 6[Fe]{3+} + 2[Cr]{3+} + 7[H2O]
Al + Ag2O = Al2O3 + Ag =>
2 Al + 3 Ag2O = Al2O3 + 6 Ag
K2O + H2SO4 = K2SO4 + H2O =>
K2O + H2SO4 = K2SO4 + H2O
Fe + H2S = Fe2S3 + H2 =>
2 Fe + 3 H2S = Fe2S3 + 3 H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AlCl3 + Cs = CsCl + Al =>
AlCl3 + 3 Cs = 3 CsCl + Al
ClO2 + O2{-2} = ClO2{-} + O2 =>
2 ClO2 + O2{-2} = 2 ClO2{-} + O2
C6H14(s) + O2(g) = CO2 + H2O =>
2 C6H14(s) + 19 O2(g) = 12 CO2 + 14 H2O
CuI + Fe = FeI2 + Cu =>
2 CuI + Fe = FeI2 + 2 Cu
Mg2 + FeCl3 = MgCl2 + Fe3 =>
9 Mg2 + 12 FeCl3 = 18 MgCl2 + 4 Fe3
C14H12O2 = C7H6O =>
C14H12O2 = 2 C7H6O
(C6H10O5)600 + H2O = C6H12O6 =>
(C6H10O5)600 + 600 H2O = 600 C6H12O6
C2H2 + KNH2 = C2HK + NH3 =>
C2H2 + KNH2 = C2HK + NH3
Al(NO3)2 + KOH = AlOH + K(NO3)2 =>
Al(NO3)2 + KOH = AlOH + K(NO3)2
MnO2 + HCl + H2SO4 = MnSO4 + Cl2 + H2O =>
MnO2 + 2 HCl + H2SO4 = MnSO4 + Cl2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Al(s) + H2O(l) = Al(OH)3(aq) + H2(aq) =>
2 Al(s) + 6 H2O(l) = 2 Al(OH)3(aq) + 3 H2(aq)
Zn + K2CrO4 = K + ZnCrO4 =>
Zn + K2CrO4 = 2 K + ZnCrO4
PCl2 + AgNO3 = PNO3 + AgCl2 =>
PCl2 + AgNO3 = PNO3 + AgCl2
Ag[Ag(CN)2] = Ag{+} + [Ag(CN)2]{-} =>
Ag[Ag(CN)2] = Ag{+} + [Ag(CN)2]{-}
PbS2 + PbSO4 = Pb + SO2 =>
PbS2 + 2 PbSO4 = 3 Pb + 4 SO2
Cr(OH)3 + I2 = CrI3 + Cr(IO3)3 + H2O =>
6 Cr(OH)3 + 9 I2 = 5 CrI3 + Cr(IO3)3 + 9 H2O
CoHCO3 = Co + CO3 + H2O + CO2 =>
2 CoHCO3 = 2 Co + CO3 + H2O + CO2
CaCO3 + CuSO4 = CaSO4 + CuCO3 =>
CaCO3 + CuSO4 = CaSO4 + CuCO3
(NH4)2SO4 + Cr(NO3)3 = Cr2(SO4)3 + NH4NO3 =>
3(NH4)2SO4 + 2 Cr(NO3)3 = Cr2(SO4)3 + 6 NH4NO3
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
PbSO4 + Zn(NO3)2 = Pb(NO3) + Zn(SO4)2 =>
2 PbSO4 + Zn(NO3)2 = 2 Pb(NO3) + Zn(SO4)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SrCO3 + LiF = Li2CO3 + SrF2 =>
SrCO3 + 2 LiF = Li2CO3 + SrF2
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
H2SO4 + NaNO2 = NO + HNO3 + Na2SO4 + H2O =>
3 H2SO4 + 6 NaNO2 = 4 NO + 2 HNO3 + 3 Na2SO4 + 2 H2O
K2MnO5 + HCl = K2Mn + Cl2 + H2O =>
K2MnO5 + 10 HCl = K2Mn + 5 Cl2 + 5 H2O
MgCl2 + H2SO4 = HCl + MgSO4 =>
MgCl2 + H2SO4 = 2 HCl + MgSO4
Co(II)Cl2(aq) + Cu(NO3)2(aq) = Co(II)(NO3)2 + CuCl2 =>
Co(II)Cl2(aq) + Cu(NO3)2(aq) = Co(II)(NO3)2 + CuCl2
(2CaO*SiO2) + H2O = CaO*2SiO2*3H2O + CaO*H2O =>
(2CaO*SiO2) + 4 H2O = CaO*2SiO2*3H2O + CaO*H2O
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