| Équations équilibrées la veille |
N{+5} + 8e = N{-3}
HBr + NaClO3 = NaCl + H2O + Br2 =>
6 HBr + NaClO3 = NaCl + 3 H2O + 3 Br2
Mg + MnO4 = Mg(MnO4)2 =>
Mg + 2 MnO4 = Mg(MnO4)2
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
Al + ClCu2 = AlCl3 + Cu =>
Al + 3 ClCu2 = AlCl3 + 6 Cu
NaCl + Mg = MgCl + Na =>
NaCl + Mg = MgCl + Na
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
S + CH4 = CS + H2S =>
3 S + CH4 = CS + 2 H2S
ClO3{-} + SO3{2-} + H2SO4 = Cl2 + SO4{2-} + H2O =>
2 ClO3{-} + 5 SO3{2-} + H2SO4 = Cl2 + 6 SO4{2-} + H2O
CHF3 + Ca(OH)2 = CaF2 + CH(OH)3 =>
2 CHF3 + 3 Ca(OH)2 = 3 CaF2 + 2 CH(OH)3
NH4OH + CuCl + O2 + H2O = Cu(OH)2 + NH4Cl =>
4 NH4OH + 4 CuCl + O2 + 2 H2O = 4 Cu(OH)2 + 4 NH4Cl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
C2H2 + KMnO4 + HCl = H2C2O4 + KCl2 + MnCl2 + H2O =>
C2H2 + 2 KMnO4 + 8 HCl = H2C2O4 + 2 KCl2 + 2 MnCl2 + 4 H2O
Fe{2+} + Br{-} = Fe + Br{2+} =>
3 Fe{2+} + 2 Br{-} = 3 Fe + 2 Br{2+}
Sr + N2 = SrN2 =>
Sr + N2 = SrN2
Mg3P2 + HCl = MgCl2 + PH3 =>
Mg3P2 + 6 HCl = 3 MgCl2 + 2 PH3
NaIO2 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO2 + 3 NaHSO3 = NaHSO4 + 2 Na2SO4 + H2O + I2
Fe2(SO4)3 + Na2CO3 + H2O = Na2SO4 + Fe(OH)3 + CO2 =>
Fe2(SO4)3 + 3 Na2CO3 + 3 H2O = 3 Na2SO4 + 2 Fe(OH)3 + 3 CO2
Fe + F = Fe3F =>
3 Fe + F = Fe3F
HClO3 + H2O + Br2 = HBrO3 + HCl =>
5 HClO3 + 3 H2O + 3 Br2 = 6 HBrO3 + 5 HCl
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Cu2CH2O5 = CuO + H2O + CO2 =>
Cu2CH2O5 = 2 CuO + H2O + CO2
Ti2(SO4)3 + Fe2(SO4)4 = Ti2(SO4)4 + FeSO4 =>
2 Ti2(SO4)3 + Fe2(SO4)4 = 2 Ti2(SO4)4 + 2 FeSO4
Na2CO3 + Cl2 = NaCl2 + CO3 =>
Na2CO3 + 2 Cl2 = 2 NaCl2 + CO3
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
NaI + Pb(SO4) = PbI2 + Na2SO4 =>
2 NaI + Pb(SO4) = PbI2 + Na2SO4
Cl2 + H2O = HCl + (HClO)3 =>
3 Cl2 + 3 H2O = 3 HCl + (HClO)3
Ca + Cr(NO4)5 = Ca(NO4)2 + Cr =>
5 Ca + 2 Cr(NO4)5 = 5 Ca(NO4)2 + 2 Cr
Fe(s) + H2So4(aq) = Fe2(So4)3(aq) + H2(g) =>
2 Fe(s) + 3 H2So4(aq) = Fe2(So4)3(aq) + 3 H2(g)
C5H6 + O2 = CO + H2O =>
C5H6 + 4 O2 = 5 CO + 3 H2O
V + O2 = VO2 =>
V + O2 = VO2
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
FeSO4(aq) + Ca(OH)2(aq) = Fe(OH)2 + CaSO4 =>
FeSO4(aq) + Ca(OH)2(aq) = Fe(OH)2 + CaSO4
K3[Fe(OH)6] + HI = KI + FeI2 + I2 + H2O =>
2 K3[Fe(OH)6] + 12 HI = 6 KI + 2 FeI2 + I2 + 12 H2O
(NH4)2S2O8 + NaOH + NiCl2 = Na2SO4 + Ni(OH)3 + NH4Cl + NaCl =>
(NH4)2S2O8 + 6 NaOH + 2 NiCl2 = 2 Na2SO4 + 2 Ni(OH)3 + 2 NH4Cl + 2 NaCl
MoO2 + Zn + HSO3 = ZnSO4 + H2O + Mo2O3 =>
6 MoO2 + 2 Zn + 2 HSO3 = 2 ZnSO4 + H2O + 3 Mo2O3
KNO3 + (NH4)2CrO4 = K2CrO4 + NH4NO3 =>
2 KNO3 + (NH4)2CrO4 = K2CrO4 + 2 NH4NO3
Ca(HSO3)2 + KOH = CaSO3 + K2SO3 + H2O =>
Ca(HSO3)2 + 2 KOH = CaSO3 + K2SO3 + 2 H2O
Na2O2 + SO4 = Na2SO4 + O2 =>
Na2O2 + SO4 = Na2SO4 + O2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na3Po4(aq) + CoCl2(aq) = Co3(Po4)2(s) + NaCl(aq) =>
2 Na3Po4(aq) + 3 CoCl2(aq) = Co3(Po4)2(s) + 6 NaCl(aq)
CH3CH2CH2CHO + Cl2 = CH3CH2CH2COCl + HCl =>
CH3CH2CH2CHO + Cl2 = CH3CH2CH2COCl + HCl
CuCl2 + H2SO4 = HCl + CuSO4 =>
CuCl2 + H2SO4 = 2 HCl + CuSO4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Ba3N2 + HCl = BaCl2 + NH4Cl =>
Ba3N2 + 8 HCl = 3 BaCl2 + 2 NH4Cl
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4 =>
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4
Fe + F = FeF2 =>
Fe + 2 F = FeF2
Ba(NO3)2 + (NH4)2CrO4 = BaCrO4 + NH4NO3 =>
Ba(NO3)2 + (NH4)2CrO4 = BaCrO4 + 2 NH4NO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Sb + S = Sb2S5 =>
2 Sb + 5 S = Sb2S5
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