| Équations équilibrées la veille | Équations équilibrées le lendemain |
PCl5 = PCl3(g) + Cl2
Zn + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + ZnSO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 ZnSO4 + 7 H2O
H2Ti(OH)3 = TiO2 + H2O + H2 =>
2 H2Ti(OH)3 = 2 TiO2 + 2 H2O + 3 H2
BaSO4 + Mg(OH)2 = Ba(OH)2 + MgSO4 =>
BaSO4 + Mg(OH)2 = Ba(OH)2 + MgSO4
Fe2O3 + AlI3 = FeI3 + Al2O3 =>
Fe2O3 + 2 AlI3 = 2 FeI3 + Al2O3
SnS + H2O2 + OH{-} = SnS3 + Sn(OH)6{2-} =>
3 SnS + 4 H2O2 + 4 OH{-} = SnS3 + 2 Sn(OH)6{2-}
CH3COOOH + O2 = CO2 + H2O =>
2 CH3COOOH + 3 O2 = 4 CO2 + 4 H2O
Sb + KClO3 + H2O = H3SbO4 + KCl =>
6 Sb + 5 KClO3 + 9 H2O = 6 H3SbO4 + 5 KCl
AI(OH)3(s) + HBr(ac) = AIBr3(ac) + H2O =>
AI(OH)3(s) + 3 HBr(ac) = AIBr3(ac) + 3 H2O
CH3CH3CH3COH + IH = CH3CH3CH3CI + H2O =>
CH3CH3CH3COH + IH = CH3CH3CH3CI + H2O
KMnO4(ac) + KI(ac) + H2O(l) = MnO2(s) + KIO3(ac) + KOH(ac) =>
2 KMnO4(ac) + KI(ac) + H2O(l) = 2 MnO2(s) + KIO3(ac) + 2 KOH(ac)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al2(SO4)3 + NaOH + NH4OH = Na[Al(OH)4] + (NH4)2SO4 =>
Al2(SO4)3 + 2 NaOH + 6 NH4OH = 2 Na[Al(OH)4] + 3(NH4)2SO4
Tc + H2O = H2 + Tc(OH)3 =>
2 Tc + 6 H2O = 3 H2 + 2 Tc(OH)3
H2S3 + HNO3 = H2SO4 + NO + H2O =>
3 H2S3 + 20 HNO3 = 9 H2SO4 + 20 NO + 4 H2O
MnSO4 + NaO2CH = Mn(O2CH)2 + Na2SO4 =>
MnSO4 + 2 NaO2CH = Mn(O2CH)2 + Na2SO4
Na2CO3 + Zn2 = ZnCO3 + Na =>
2 Na2CO3 + Zn2 = 2 ZnCO3 + 4 Na
SO2 + H2O + KMnO4 = K2SO4 + MnSO4 + H2SO4 =>
5 SO2 + 2 H2O + 2 KMnO4 = K2SO4 + 2 MnSO4 + 2 H2SO4
Na3PO4 + CoI2 = NaI + (PO4)2Co3 =>
2 Na3PO4 + 3 CoI2 = 6 NaI + (PO4)2Co3
ClO3{-} + H{+} = ClO2 + H2O2 =>
2 ClO3{-} + 2 H{+} = 2 ClO2 + H2O2
AlCl3 + H2 = Al + HCl3 =>
2 AlCl3 + H2 = 2 Al + 2 HCl3
C7O2H14 + Na2CrO4 + H2O = C7O3H10 + NaOH + Cr(OH)2 =>
2 C7O2H14 + 3 Na2CrO4 + 2 H2O = 2 C7O3H10 + 6 NaOH + 3 Cr(OH)2
K2S2O8 + AgNO3 + KOH = K2SO4 + KNO3 + Ag2O2 + H2O =>
K2S2O8 + 2 AgNO3 + 4 KOH = 2 K2SO4 + 2 KNO3 + Ag2O2 + 2 H2O
SnI4 + Cl2 = SnCl2 + I2 =>
SnI4 + Cl2 = SnCl2 + 2 I2
LiCl + HCl = LiH + Cl2 =>
LiCl + HCl = LiH + Cl2
Li2CrO4 + NiSO4 = Li2SO4 + NiCrO4 =>
Li2CrO4 + NiSO4 = Li2SO4 + NiCrO4
KO2 + CO2 = K2CO + O3 =>
6 KO2 + 3 CO2 = 3 K2CO + 5 O3
K2CO3 + Zn(C2H3O2)2 = (K2)(C2H3O2)2 + (Zn)(CO3) =>
K2CO3 + Zn(C2H3O2)2 = (K2)(C2H3O2)2 + (Zn)(CO3)
H3O + CrS = H2S + H2O + Cr =>
2 H3O + CrS = H2S + 2 H2O + Cr
HNO3 + Zn = Zn(NO3)2 + H2 =>
2 HNO3 + Zn = Zn(NO3)2 + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HC2H3O2C2H5OH = C2H5C2H3O2H2O =>
HC2H3O2C2H5OH = C2H5C2H3O2H2O
C3H6O2 + NaOH = CH3COONa + CH3OH =>
C3H6O2 + NaOH = CH3COONa + CH3OH
NaCl + H2O = NaOH + H2Cl2 =>
2 NaCl + 2 H2O = 2 NaOH + H2Cl2
La2O3 + SrCO3 + Fe2O3 + Cr2O3 + O = LaSrFeCrO6 + CO2 =>
La2O3 + 2 SrCO3 + Fe2O3 + Cr2O3 + O = 2 LaSrFeCrO6 + 2 CO2
Ca3(PO4)2*Ca(OH)2 + H2SO4 = CaSO4 + H3PO4 + H2O =>
Ca3(PO4)2*Ca(OH)2 + 4 H2SO4 = 4 CaSO4 + 2 H3PO4 + 2 H2O
NH3 + H3PO4 = ((NH4)3PO4) =>
3 NH3 + H3PO4 = ((NH4)3PO4)
H + He = HHe =>
H + He = HHe
H3OCH3 + O2 = CO2 + H2O =>
H3OCH3 + 2 O2 = CO2 + 3 H2O
CuSi3O7 + CoSO4 = CoSi3O7 + CuSO4 =>
CuSi3O7 + CoSO4 = CoSi3O7 + CuSO4
C + FeO = Fe + CO =>
C + FeO = Fe + CO
C6H4(OCOCH3)COOH + NaOH = C6H4(OH)COONa + H2O =>
7 C6H4(OCOCH3)COOH + 9 NaOH = 9 C6H4(OH)COONa + 10 H2O
Li + AlCl3 = Al + Li2Cl =>
6 Li + AlCl3 = Al + 3 Li2Cl
Fe(BrO2)3 + BaSO4 = Ba(BrO2)2 + Fe2(SO4)3 =>
2 Fe(BrO2)3 + 3 BaSO4 = 3 Ba(BrO2)2 + Fe2(SO4)3
HCl + K2(SO3) = KCl + H2(SO3) =>
2 HCl + K2(SO3) = 2 KCl + H2(SO3)
(CH2OH2)CHOH + O2 = H2O + CO2 =>
2(CH2OH2)CHOH + 5 O2 = 6 H2O + 4 CO2
NaOHH2O + H3PO4 = H2O + Na2HPO4 =>
2 NaOHH2O + H3PO4 = 4 H2O + Na2HPO4
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
HClO3 + SO2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
HClO3 + 3 SO2 + 7 OH{-} = 3 SO4{2-} + Cl{-} + 4 H2O
KMnO4 + NaNO2 + H2SO4 = K2SO4 + MnSO4 + NaNO3 + H2O =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 NaNO3 + 3 H2O
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