| Équations équilibrées la veille |
Be + Al = BeAl
C2H4 + CO = C + H2O =>
C2H4 + 2 CO = 4 C + 2 H2O
Co + N2 = CoN2 =>
Co + N2 = CoN2
Cr2O72{-} + SO32{-} + H3O{+} = Cr3{+} + SO42{-} + H2O =>
60 Cr2O72{-} + 427 SO32{-} + 100 H3O{+} = 40 Cr3{+} + 427 SO42{-} + 150 H2O
K + Br2 + O2 = KBrO3 =>
2 K + Br2 + 3 O2 = 2 KBrO3
Ag(aq) + CO3(aq) = Ag2CO3(s) =>
2 Ag(aq) + CO3(aq) = Ag2CO3(s)
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Ni(SO4)*H2O + Fe(NO3)3 + NaOH = NiFe2O4 + NaNO3 + H2O + Na2SO4 =>
Ni(SO4)*H2O + 2 Fe(NO3)3 + 8 NaOH = NiFe2O4 + 6 NaNO3 + 5 H2O + Na2SO4
Cu + Cl = CuCl =>
Cu + Cl = CuCl
C2Cl4 + O2 = Cl2 + CO2 =>
C2Cl4 + 2 O2 = 2 Cl2 + 2 CO2
CH3NH2 + HClO3 = ClO3 + HCH3NH2 =>
CH3NH2 + HClO3 = ClO3 + HCH3NH2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
BaCl2 + Cu(NO3)2 = Ba(NO3)2 + CuCl2 =>
BaCl2 + Cu(NO3)2 = Ba(NO3)2 + CuCl2
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
SnF2 + H2 = Sn + HF =>
SnF2 + H2 = Sn + 2 HF
HPO3 + AgNO3 + NH3 = AgPO3 + NO2 + H2O =>
7 HPO3 + 7 AgNO3 + NH3 = 7 AgPO3 + 8 NO2 + 5 H2O
SO3 + MnO = SO4 + Mn =>
SO3 + MnO = SO4 + Mn
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Co(NO3)3 + Li2S = Co2S3 + LiNO3 =>
2 Co(NO3)3 + 3 Li2S = Co2S3 + 6 LiNO3
CsOH + Ag2CrO4 = Cs2CrO4 + AgOH =>
2 CsOH + Ag2CrO4 = Cs2CrO4 + 2 AgOH
C(s) + HCl(aq) = CCl2 + H2 =>
C(s) + 2 HCl(aq) = CCl2 + H2
H[AuCl4] + KOH + C6H12O6 = Au + KCl + CO2 + H2O =>
8 H[AuCl4] + 32 KOH + C6H12O6 = 8 Au + 32 KCl + 6 CO2 + 26 H2O
Li + ZnSO4 = Li2SO4 + Zn =>
2 Li + ZnSO4 = Li2SO4 + Zn
NH3 + KMnO4 + KOH = N2 + K2MnO4*H2O =>
2 NH3 + 6 KMnO4 + 6 KOH = N2 + 6 K2MnO4*H2O
S2O8{-2} + I{-} = SO4{-2} + I5{-} =>
2 S2O8{-2} + 5 I{-} = 4 SO4{-2} + I5{-}
Cl2 + SO3{-2} + H2O = Cl{-} + SO4{2-} + H{+} =>
Cl2 + SO3{-2} + H2O = 2 Cl{-} + SO4{2-} + 2 H{+}
Li2O(aq) + H2O(l) = LiOH =>
Li2O(aq) + H2O(l) = 2 LiOH
CaHPO4*2H2O + NaOH + H2O = Na2HPO4*12H2O + Ca(OH)2 =>
CaHPO4*2H2O + 2 NaOH + 10 H2O = Na2HPO4*12H2O + Ca(OH)2
AlOHCl2 = AlOH + Cl2 =>
AlOHCl2 = AlOH + Cl2
Pb(ClO4)2 + H2S = HClO4 + PbS =>
Pb(ClO4)2 + H2S = 2 HClO4 + PbS
P5 + O2 = P5O7 =>
2 P5 + 7 O2 = 2 P5O7
Ce2(SO4)3 + NH4OH = Ce(OH)3 + NH3 + H2SO4 =>
Ce2(SO4)3 + 6 NH4OH = 2 Ce(OH)3 + 6 NH3 + 3 H2SO4
K2Cr2O7 + NaI + H2SO4 = Na2SO4 + Cr2(SO4)3 + I2 + H2O + K2SO4 =>
K2Cr2O7 + 6 NaI + 7 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O + K2SO4
CrO2{-} + ClO{-} + H2O = CrO4{2-} + Cl{-} + H{+} =>
2 CrO2{-} + 3 ClO{-} + H2O = 2 CrO4{2-} + 3 Cl{-} + 2 H{+}
LiOH + Mg(NO3)2 = Mg(OH)2 + LiNO3 =>
2 LiOH + Mg(NO3)2 = Mg(OH)2 + 2 LiNO3
H2O2 + C20H12 = CO2 + H2O =>
46 H2O2 + C20H12 = 20 CO2 + 52 H2O
Li2Cr2O7 + Li2S + H2SO4 = Cr2(SO4)3 + Li2SO4 + H2O =>
4 Li2Cr2O7 + 3 Li2S + 16 H2SO4 = 4 Cr2(SO4)3 + 7 Li2SO4 + 16 H2O
Mg + ZnSO4 = Zn2 + MgSO4 =>
2 Mg + 2 ZnSO4 = Zn2 + 2 MgSO4
Fe3O4 + Al = Fe + Al3O4 =>
Fe3O4 + 3 Al = 3 Fe + Al3O4
*3NaCl = Na + Cl2 =>
2*3NaCl = 6 Na + 3 Cl2
Li2S04 + BaCl2 = BaS04 + LiCl =>
Li2S04 + BaCl2 = BaS04 + 2 LiCl
KMnO4 + H2SO4 + H2C2H4 = K2SO4 + MnSO4 + CO2 + H2O =>
14 KMnO4 + 21 H2SO4 + 5 H2C2H4 = 7 K2SO4 + 14 MnSO4 + 10 CO2 + 36 H2O
C10H22 + H2O = CO2 + H2 =>
C10H22 + 20 H2O = 10 CO2 + 31 H2
H2SO4 + Ba(OH)2 = Ba2(SO4)2 + H2O =>
2 H2SO4 + 2 Ba(OH)2 = Ba2(SO4)2 + 4 H2O
Fe{3}O{4} + Al = Al{2}O{3} + Fe =>
2 Fe{3}O{4} + 3 Al = 3 Al{2}O{3} + 2 Fe
(NH4)2CO3 + H2O = H2CO3 + NH4OH =>
(NH4)2CO3 + 2 H2O = H2CO3 + 2 NH4OH
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