| Équations équilibrées la veille |
NiCO3 = NiOCO2
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
HNO3 + K2CrO4 + Fe(NO3)2 = Fe(NO3)3 + Cr(NO3)3 + KNO3 + H2O =>
8 HNO3 + K2CrO4 + 3 Fe(NO3)2 = 3 Fe(NO3)3 + Cr(NO3)3 + 2 KNO3 + 4 H2O
MgBr2 + Mn(SO3)2 = MgSO3 + MnBr4 =>
2 MgBr2 + Mn(SO3)2 = 2 MgSO3 + MnBr4
K2CrO4(aq) + NiCl2(aq) = KCl + NiCrO4 =>
K2CrO4(aq) + NiCl2(aq) = 2 KCl + NiCrO4
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
(C)6(H)12(O)2 + O2 = C(O)2 + (H)2O =>
(C)6(H)12(O)2 + 8 O2 = 6 C(O)2 + 6(H)2O
K2O + Hg(NO3)2 = KNO3 + HgO =>
K2O + Hg(NO3)2 = 2 KNO3 + HgO
Fe3 + NH3 = [Fe(NH3)4] =>
Fe3 + 12 NH3 = 3[Fe(NH3)4]
Cu{+2}{NO3}2 + Fe = Fe{+3}{NO3} + Cu =>
3 Cu{+2}{NO3}2 + 2 Fe = 2 Fe{+3}{NO3} + 3 Cu
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cl2 + MnI = MnCl3 + I2 =>
3 Cl2 + 2 MnI = 2 MnCl3 + I2
AlHg + Pb(NO3)2 = Al(NO3)3 + Pb + Hg =>
2 AlHg + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb + 2 Hg
H2 + OH = H2OH2 =>
3 H2 + 2 OH = 2 H2OH2
CH3CH2OH + H2O2 = CH2CHOH + H2O =>
CH3CH2OH + H2O2 = CH2CHOH + 2 H2O
KMnO4 + HCl + Na2SO3 = MnCl2 + Na2SO4 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 2 MnCl2 + 5 Na2SO4 + 2 KCl + 3 H2O
PbO2(s) + CO(g) = PbO(s) + CO2(g) =>
PbO2(s) + CO(g) = PbO(s) + CO2(g)
CdS + I + HCl = CdCl2 + HI + S =>
CdS + 2 I + 2 HCl = CdCl2 + 2 HI + S
Ae(OH)3 = Ae2O3 + H2O =>
2 Ae(OH)3 = Ae2O3 + 3 H2O
C6H12O6N + O2 = NO2 + CO2 + H2O =>
C6H12O6N + 7 O2 = NO2 + 6 CO2 + 6 H2O
Pb(NO3)2 + Na2SO4 = NaNO3 + PbSO4 =>
Pb(NO3)2 + Na2SO4 = 2 NaNO3 + PbSO4
K2CrO4 + Na2S + H2O = Na3[Cr(OH)6] + KOH + S =>
2 K2CrO4 + 3 Na2S + 8 H2O = 2 Na3[Cr(OH)6] + 4 KOH + 3 S
BaI2 + (NH4)2CO3 = BaCO3 + INH4 =>
BaI2 + (NH4)2CO3 = BaCO3 + 2 INH4
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Br2 + FeSO4 = FeBr{+2} + SO4{-2} =>
Br2 + 2 FeSO4 = 2 FeBr{+2} + 2 SO4{-2}
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
C3O2 = COC2O =>
C3O2 = COC2O
Cr(OH)3 + IO{-}3 + OH{-} = CrO4{-2} + I{-} + H2O =>
2 Cr(OH)3 + 3 IO{-}3 + 4 OH{-} = 2 CrO4{-2} + 3 I{-} + 5 H2O
KMnO4 + H2SO3 = H2SO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 H2SO3 = 2 H2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
Zn + CrO4{2-} + H2O = Zn{2+} + Cr(OH)3 + OH{-} =>
3 Zn + 2 CrO4{2-} + 8 H2O = 3 Zn{2+} + 2 Cr(OH)3 + 10 OH{-}
Na2Cr2O7 + H2SO4 = NaHSO4 + H2O + CrO3 =>
Na2Cr2O7 + 2 H2SO4 = 2 NaHSO4 + H2O + 2 CrO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3BO3 + (NH4)2CO3 = H2CO3 + (NH4)3BO3 =>
2 H3BO3 + 3(NH4)2CO3 = 3 H2CO3 + 2(NH4)3BO3
Ca2Br2 + NaCo3 = CaCo3 + NaBr =>
Ca2Br2 + 2 NaCo3 = 2 CaCo3 + 2 NaBr
Ba(NO3)2 + NaOH = Ba(OH)2 + Na + NO3 =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 Na + 2 NO3
Ga2(SO4)3 + Ba(NO3)2 = Ga(NO3)3 + Ba(SO4) =>
Ga2(SO4)3 + 3 Ba(NO3)2 = 2 Ga(NO3)3 + 3 Ba(SO4)
C10H8 + SO3 = C10H6(SO3H)2 =>
C10H8 + 2 SO3 = C10H6(SO3H)2
AuAg + CoSn = SnAu + AgCo =>
AuAg + CoSn = SnAu + AgCo
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AlI3 + Pb(No3)2 = PbI2 + Al(No3)3 =>
2 AlI3 + 3 Pb(No3)2 = 3 PbI2 + 2 Al(No3)3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SO = S + O2 =>
2 SO = 2 S + O2
H2S + MnO4{-} + OH{-} = MnO{-} + S{-} + H2O =>
6 H2S + MnO4{-} + 6 OH{-} = MnO{-} + 6 S{-} + 9 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca(O2H)2 + HNO3 = Ca(NO3)2 + H2O2 =>
Ca(O2H)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O2
MgO(s) + H2SO4(aq) = H2O(l) + MgSO4(s) =>
MgO(s) + H2SO4(aq) = H2O(l) + MgSO4(s)
HCl(g) + Zn(s) = ZnCl2(ac) + H2(g) =>
2 HCl(g) + Zn(s) = ZnCl2(ac) + H2(g)
Mg3B2 + H2O = Mg(OH)2 + BH3 =>
Mg3B2 + 6 H2O = 3 Mg(OH)2 + 2 BH3
C3H6O(g) + O2 = CO2(g) + H2O(l) =>
C3H6O(g) + 4 O2 = 3 CO2(g) + 3 H2O(l)
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