| Équations équilibrées la veille |
K2S + Pb(NO3)2 = PbS + 2 KNO3
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Li2SO4 + Sn(ClO3)4 = LiClO3 + Sn(SO4)2 =>
2 Li2SO4 + Sn(ClO3)4 = 4 LiClO3 + Sn(SO4)2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
C6H6 + C2H5Cl = C8H10 + HCl =>
C6H6 + C2H5Cl = C8H10 + HCl
KBr + Hg2(CH3COO)2 = KCH3COO + Hg2Br2 =>
2 KBr + Hg2(CH3COO)2 = 2 KCH3COO + Hg2Br2
NH2{-} + H2O = NH3 + OH{-} =>
NH2{-} + H2O = NH3 + OH{-}
Ag2CrO4 + H2O = Ag2O + H2CrO4 =>
Ag2CrO4 + H2O = Ag2O + H2CrO4
Mg + O2(g) = MgO(s) =>
2 Mg + O2(g) = 2 MgO(s)
Te + I2 = TeI4 =>
Te + 2 I2 = TeI4
(NH4)2(CO3) + H3PO4 = (NH4)3(PO4) + H2O + CO2 =>
3(NH4)2(CO3) + 2 H3PO4 = 2(NH4)3(PO4) + 3 H2O + 3 CO2
NaClO4 + NaBr + H2SO4 = Br2 + Na2SO4 + Cl2(SO4)3 + H2O =>
2 NaClO4 + 8 NaBr + 8 H2SO4 = 4 Br2 + 5 Na2SO4 + Cl2(SO4)3 + 8 H2O
Pb(OH)2 + Ca(OH)2 = CaPbO2 + H2O =>
Pb(OH)2 + Ca(OH)2 = CaPbO2 + 2 H2O
FeSO4 + H2SO4 + KSCN + H2O2 = Fe(SCN)6 + H2K(SO4)2 + H2O =>
FeSO4 + 11 H2SO4 + 6 KSCN + 5 H2O2 = Fe(SCN)6 + 6 H2K(SO4)2 + 10 H2O
NaBr = Br2 + Na =>
2 NaBr = Br2 + 2 Na
KNO3 + NaOH + Al + H2O = NH3 + NaAl(OH)4 + KAl(OH)4 =>
3 KNO3 + 5 NaOH + 8 Al + 18 H2O = 3 NH3 + 5 NaAl(OH)4 + 3 KAl(OH)4
Mg + O2(g) = MgO(s) =>
2 Mg + O2(g) = 2 MgO(s)
H{+} + CrO7{2-} + Zn = Cr{2+} + Zn{2+} + H2O =>
14 H{+} + CrO7{2-} + 5 Zn = Cr{2+} + 5 Zn{2+} + 7 H2O
Ca + F = CaF2(s) =>
Ca + 2 F = CaF2(s)
Mg + O2(g) = MgO2(s) =>
Mg + O2(g) = MgO2(s)
Mn{+7} + e = Mn{+2} =>
Mn{+7} + 5e = Mn{+2}
FeSO4 + H2SO4 + KSCN + H2O2 = Fe(SCN)3 + K2SO4 + H2O =>
2 FeSO4 + H2SO4 + 6 KSCN + H2O2 = 2 Fe(SCN)3 + 3 K2SO4 + 2 H2O
Ca + H2O = CaH4O2 =>
Ca + 2 H2O = CaH4O2
C6H6 + C2H5Cl = C6H5CH3 + HCl =>
2 C6H6 + C2H5Cl = 2 C6H5CH3 + HCl
Fe(OH)2 + HBr = FeBr2 + H2O =>
Fe(OH)2 + 2 HBr = FeBr2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KNO3 + NaOH + Al + H2O = NH3 + Na[Al(OH)4] + K[Al(OH)4] =>
3 KNO3 + 5 NaOH + 8 Al + 18 H2O = 3 NH3 + 5 Na[Al(OH)4] + 3 K[Al(OH)4]
CH4 + O2 = CO8 + H2O =>
CH4 + 5 O2 = CO8 + 2 H2O
C6H6 + C2H5Cl = C8H10 + HCl =>
C6H6 + C2H5Cl = C8H10 + HCl
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Mg + O2(g) = MgO2(s) =>
Mg + O2(g) = MgO2(s)
FeSO4 + H2SO4 + KSCN + H2O2 = Fe(SCN)3 + K2SO4 + H2O =>
2 FeSO4 + H2SO4 + 6 KSCN + H2O2 = 2 Fe(SCN)3 + 3 K2SO4 + 2 H2O
Mg + O2(g) = MgO2 =>
Mg + O2(g) = MgO2
KBr + Hg2(CH3COO)2 = KCH3COO + Hg2Br2 =>
2 KBr + Hg2(CH3COO)2 = 2 KCH3COO + Hg2Br2
C6H6 + C2H5Cl = C8H10 + HCl =>
C6H6 + C2H5Cl = C8H10 + HCl
FeSO4(aq) + NaOH(aq) = Fe(OH)2(aq) + Na2SO4(aq) =>
FeSO4(aq) + 2 NaOH(aq) = Fe(OH)2(aq) + Na2SO4(aq)
KNO3 + Al + NaOH + H2O = K[Al(OH)4] + NaNO3 + NH3 =>
8 KNO3 + 8 Al + 5 NaOH + 18 H2O = 8 K[Al(OH)4] + 5 NaNO3 + 3 NH3
I2 + SnBr2 + NaOH = Na2[Sn(OH)6] + NaI + NaBr =>
I2 + SnBr2 + 6 NaOH = Na2[Sn(OH)6] + 2 NaI + 2 NaBr
Mg + O2(g) = MgO2 =>
Mg + O2(g) = MgO2
C6H6 + C2H5Cl = C6H5Cl + C2H6 =>
C6H6 + C2H5Cl = C6H5Cl + C2H6
MgO + C = Mg + CO2 =>
2 MgO + C = 2 Mg + CO2
Mn(NO3)2 + (NH4)3(PO4) = NH4NO3 + Mn3(PO4)2 =>
3 Mn(NO3)2 + 2(NH4)3(PO4) = 6 NH4NO3 + Mn3(PO4)2
FeSO4 + H2SO4 + KSCN + H2O2 = Fe(SCN)6 + H2K(SO4)2 + H2O =>
FeSO4 + 11 H2SO4 + 6 KSCN + 5 H2O2 = Fe(SCN)6 + 6 H2K(SO4)2 + 10 H2O
Mg + O2(g) = MgO =>
2 Mg + O2(g) = 2 MgO
Ag2CrO4 + H2O = HAg + OCrO4 =>
Ag2CrO4 + H2O = 2 HAg + OCrO4
C6H6 + C2H5Cl = C7H10 + HCl =>
4 C6H6 + 9 C2H5Cl = 6 C7H10 + 9 HCl
Al(NO3)3 + H2SO4 + Cu = CuSO4 + Al2(SO4)3 + H2O + NO =>
2 Al(NO3)3 + 12 H2SO4 + 9 Cu = 9 CuSO4 + Al2(SO4)3 + 12 H2O + 6 NO
C4H6O5 + Na2CO3 = C4H4Na2O5 + CO2 + H2O =>
C4H6O5 + Na2CO3 = C4H4Na2O5 + CO2 + H2O
KNO3 + NaOH + Al + H2O = NH3 + Na3[Al(OH)6] + K3[Al(OH)6] =>
3 KNO3 + 21 NaOH + 8 Al + 18 H2O = 3 NH3 + 7 Na3[Al(OH)6] + K3[Al(OH)6]
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
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