| Équations équilibrées la veille |
5 CN{-} + 2 MnO4{-} + H2O = 5 CNO{-} + 2 MnO2 + 2 H{-}
FeSO4*7H2O + NaOH = NaSO4 + H2O + SO2 + Fe(OH)2 =>
3 FeSO4*7H2O + 2 NaOH = 2 NaSO4 + 19 H2O + SO2 + 3 Fe(OH)2
SC(NH2)2 + H2O2 = H2SO4 + CO2 + N2 + H2O =>
SC(NH2)2 + 7 H2O2 = H2SO4 + CO2 + N2 + 8 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KClO3 + H2SO4 + C6H12O6 = HCl + CO2 + H2O + K2SO4 =>
4 KClO3 + 2 H2SO4 + C6H12O6 = 4 HCl + 6 CO2 + 6 H2O + 2 K2SO4
ZrO2 + C = ZrC + CO2 =>
ZrO2 + 2 C = ZrC + CO2
Hg2(NO3)2 + NaOH = Hg2O + Na(NO3)2 + H2 =>
2 Hg2(NO3)2 + 2 NaOH = 2 Hg2O + 2 Na(NO3)2 + H2
H3PO4 + Ca(OH)2 = H2O + Ca3(PO4)2 =>
2 H3PO4 + 3 Ca(OH)2 = 6 H2O + Ca3(PO4)2
KI + F2O + H2O = KF + KOH + I2 =>
4 KI + F2O + H2O = 2 KF + 2 KOH + 2 I2
Mn(OH)2 + HNO3 = H2O + Mn(NO3)2 =>
Mn(OH)2 + 2 HNO3 = 2 H2O + Mn(NO3)2
Sc(s) + HCl(aq) = ScCl3(aq) + H2 =>
2 Sc(s) + 6 HCl(aq) = 2 ScCl3(aq) + 3 H2
Pb(OH)2NaOH = PbOHNa(OH)2 =>
Pb(OH)2NaOH = PbOHNa(OH)2
PbS + Na2SO3 = Pb + Na2S + SO2 =>
3 PbS + 2 Na2SO3 = 3 Pb + 2 Na2S + 3 SO2
KOH + NO = KNO2 + N2 + H2O =>
4 KOH + 6 NO = 4 KNO2 + N2 + 2 H2O
CuCl2 + H2SO4 = CuSO4 + H2Cl2 =>
CuCl2 + H2SO4 = CuSO4 + H2Cl2
AgCl + NH4OH = AgOH + NH4Cl =>
AgCl + NH4OH = AgOH + NH4Cl
C3H8 + Br2 = CBr2 + H2Br =>
C3H8 + 5 Br2 = 3 CBr2 + 4 H2Br
HCl + Ba(NO3)2 = Ba(HCl)2 + NO3 =>
2 HCl + Ba(NO3)2 = Ba(HCl)2 + 2 NO3
[Fe(H2O)6] + C2O4 = Fe(C2O4)3 + H2O =>
[Fe(H2O)6] + 3 C2O4 = Fe(C2O4)3 + 6 H2O
C8H9NO2 + HCl = C8H8NOCl + H2O =>
C8H9NO2 + HCl = C8H8NOCl + H2O
KCl + AlN = KN + AlCl =>
KCl + AlN = KN + AlCl
XAgNO3 + Cu = XCuNO3 + Ag =>
XAgNO3 + Cu = XCuNO3 + Ag
KMnO4 + HI = KI + I + MnI2 + H2O =>
KMnO4 + 8 HI = KI + 5 I + MnI2 + 4 H2O
Sb + NaNO3 + NaOH = Na3SbO4 + N2 + H2O =>
2 Sb + 2 NaNO3 + 4 NaOH = 2 Na3SbO4 + N2 + 2 H2O
AgNO3HF = AgFHNO3 =>
AgNO3HF = AgFHNO3
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
H2S + Cl2 = HCl + S4 =>
4 H2S + 4 Cl2 = 8 HCl + S4
FeAsS + ClO2 + H2O = Fe{3+} + AsO4{3-} + SO4{2-} + Cl{-} + H{+} =>
5 FeAsS + 14 ClO2 + 12 H2O = 5 Fe{3+} + 5 AsO4{3-} + 5 SO4{2-} + 14 Cl{-} + 24 H{+}
CaHPO4Ba(OH)2 = BaHPO4Ca(OH)2 =>
CaHPO4Ba(OH)2 = BaHPO4Ca(OH)2
NaAlSiO4 = Na2O + Al2O3 + SiO2 =>
2 NaAlSiO4 = Na2O + Al2O3 + 2 SiO2
Pb(NO3)4 + H2S = PbS2 + HNO3 =>
Pb(NO3)4 + 2 H2S = PbS2 + 4 HNO3
Fe2(SO4)3Fe = FeSO4 =>
Fe2(SO4)3Fe = 3 FeSO4
Zn + HNO3 = ZnZn(NO3)2 + NO + H2O =>
6 Zn + 8 HNO3 = 3 ZnZn(NO3)2 + 2 NO + 4 H2O
CaBr2 + Na2 + CO3 = CaCO3 + NaBr =>
CaBr2 + Na2 + CO3 = CaCO3 + 2 NaBr
BaCl2 + CO = Ba(CO) + Cl2 =>
BaCl2 + CO = Ba(CO) + Cl2
[S2O8]2{-} + [Cr]3{+} + [OH]{-} = [SO4]2{-} + [Cr2O7]2{-} + H2O =>
77[S2O8]2{-} + 4[Cr]3{+} + 84[OH]{-} = 154[SO4]2{-} + 3[Cr2O7]2{-} + 42 H2O
C32H66 + O2 = C16H32O2 + H2O =>
2 C32H66 + 5 O2 = 4 C16H32O2 + 2 H2O
ScS = Sc2 + S3 =>
6 ScS = 3 Sc2 + 2 S3
Na2S2O3 + HCl = S8 + NaCl + HSO3 + H2O =>
20 Na2S2O3 + 40 HCl = 3 S8 + 40 NaCl + 16 HSO3 + 12 H2O
Mn2Si5N8 = Mn3Si2 + Si3N4 + N2 =>
9 Mn2Si5N8 = 6 Mn3Si2 + 11 Si3N4 + 14 N2
Sc(s) + HCl(aq) = ScCl3(aq) + H2 =>
2 Sc(s) + 6 HCl(aq) = 2 ScCl3(aq) + 3 H2
Mg2 + O2 + H2O = Mg(OH)2 =>
Mg2 + O2 + 2 H2O = 2 Mg(OH)2
Al + Cu3{+} = Al3{+} + Cu =>
3 Al + Cu3{+} = Al3{+} + 3 Cu
Al(OH)3 + H2SeO4 = Al2(SeO4)3 + H2O =>
2 Al(OH)3 + 3 H2SeO4 = Al2(SeO4)3 + 6 H2O
Al + Cu3{+} = Al3{+} + Cu =>
3 Al + Cu3{+} = Al3{+} + 3 Cu
Ca(HPO4) + H2SO4 = CaSO4 + H3PO4 =>
Ca(HPO4) + H2SO4 = CaSO4 + H3PO4
NaOH + Li2S = LiOH + Na2S =>
2 NaOH + Li2S = 2 LiOH + Na2S
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NB = BN =>
NB = BN
ZnCO3(s) = CO2ZnO =>
ZnCO3(s) = CO2ZnO
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