| Équations équilibrées la veille |
2 I2{+} + 3 HSO3{-} + 3 H2O = 4 I{-} + 3 SO4{-2} + 9 H{+}
C2H4 + K2Cr2O7 + H2SO4 = CO2Cr2(SO4)3 + K2SO4 + H2O =>
C2H4 + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2Cr2(SO4)3 + 2 K2SO4 + 10 H2O
FeCl3 + Na2S = FeS + Cl + NaCl =>
FeCl3 + Na2S = FeS + Cl + 2 NaCl
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
BaOH + HNO3 = BaNO3 + H2O =>
BaOH + HNO3 = BaNO3 + H2O
Ba(OH)2 + S = BaS + BaSO4 + H2O =>
4 Ba(OH)2 + 4 S = 3 BaS + BaSO4 + 4 H2O
K2SO3 + MgBr2 = KBr + MgSO3 =>
K2SO3 + MgBr2 = 2 KBr + MgSO3
Fe2(SO3)3 + HCl = FeCl3 + H2(SO3) =>
Fe2(SO3)3 + 6 HCl = 2 FeCl3 + 3 H2(SO3)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Bi2S3 + Br2 + H2O = H3BiO4 + Br{-} + H{+} + H2SO4 =>
Bi2S3 + 14 Br2 + 20 H2O = 2 H3BiO4 + 28 Br{-} + 28 H{+} + 3 H2SO4
Al + O = Al(O2)3 =>
Al + 6 O = Al(O2)3
P + HNO3 = NO + H2O + PO2 =>
3 P + 4 HNO3 = 4 NO + 2 H2O + 3 PO2
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
NH3 + CH3OH = NH3OH + CH3 =>
NH3 + CH3OH = NH3OH + CH3
Mg + Cl = Mg(Cl)2 =>
Mg + 2 Cl = Mg(Cl)2
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
NO3 + NH3 = NH4NO2 =>
2 NO3 + 4 NH3 = 3 NH4NO2
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
K3Fe(C2O4)33H2O + KMnO4 + H2SO4 = CO2 + Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 K3Fe(C2O4)33H2O + 12 KMnO4 + 48 H2SO4 = 660 CO2 + 5 Fe2(SO4)3 + 12 MnSO4 + 21 K2SO4 + 58 H2O
C + SiO2 + Ca3(PO4)2 = P4 + CaSiO3 + CO =>
10 C + 6 SiO2 + 2 Ca3(PO4)2 = P4 + 6 CaSiO3 + 10 CO
MgSO4 + BaI2 = MgI2 + BaSO4 =>
MgSO4 + BaI2 = MgI2 + BaSO4
H2O2 + KI = H2O + IO{-} + K{+} =>
H2O2 + KI = H2O + IO{-} + K{+}
Fe2(SO4)3 + KSCN = Fe(SCN)3 + K2SO4 =>
Fe2(SO4)3 + 6 KSCN = 2 Fe(SCN)3 + 3 K2SO4
KMnO4 + AlCl3 = KCl + MnCl + AlO + Cl =>
KMnO4 + 4 AlCl3 = KCl + MnCl + 4 AlO + 10 Cl
Cr{3+} = Cr2{6+} =>
2 Cr{3+} = Cr2{6+}
HCOOH + CH3OH = HCOOC + H2O =>
7 HCOOH + CH3OH = 4 HCOOC + 7 H2O
H + Cr2O72{-} + Mn2{+} = H2O + Cr3{+} + MnO4 =>
352 H + 3 Cr2O72{-} + 5 Mn2{+} = 176 H2O + 2 Cr3{+} + 10 MnO4
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
(C6H5CO)2 + C15H14O = C29H20O + H2O =>
(C6H5CO)2 + C15H14O = C29H20O + 2 H2O
K2SO3 + HBr = H2O + KBr + SO2 =>
K2SO3 + 2 HBr = H2O + 2 KBr + SO2
P4 + H3O = PH3 + HPO3 =>
11 P4 + 36 H3O = 32 PH3 + 12 HPO3
FeCl2 + Ba(OH)2 = Fe(OH)2 + BaCl2 =>
FeCl2 + Ba(OH)2 = Fe(OH)2 + BaCl2
HCIO + H2O2 = H2CO3 + HI =>
HCIO + H2O2 = H2CO3 + HI
KClO3 + MnSO4 + KOH = K2MnO4 + KCl + K2SO4 + H2O =>
2 KClO3 + 3 MnSO4 + 12 KOH = 3 K2MnO4 + 2 KCl + 3 K2SO4 + 6 H2O
C2H4Br2 + Na = C2H4 + NaBr =>
C2H4Br2 + 2 Na = C2H4 + 2 NaBr
Al(ClO3)3 + (NH4)2S = Al2S3 + NH4ClO3 =>
2 Al(ClO3)3 + 3(NH4)2S = Al2S3 + 6 NH4ClO3
C6H5CH2CH3 + KMnO4 + KOH = K2MnO4 + C6H5COOK + H2O =>
7 C6H5CH2CH3 + 54 KMnO4 + 62 KOH = 54 K2MnO4 + 8 C6H5COOK + 46 H2O
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Ni(C2H3O2)2 + HCl = NiCl2 + HC2H3O2 =>
Ni(C2H3O2)2 + 2 HCl = NiCl2 + 2 HC2H3O2
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
HCHO + I2 + NaOH = HCOOH + NaI + H2O =>
HCHO + I2 + 2 NaOH = HCOOH + 2 NaI + H2O
Br2 + AlF3 = AlBr2 + F2 =>
2 Br2 + 2 AlF3 = 2 AlBr2 + 3 F2
MgO + H2SO4 = Mg2(SO4)2 + H2O =>
2 MgO + 2 H2SO4 = Mg2(SO4)2 + 2 H2O
CrCO3 = CrO + CO2 =>
CrCO3 = CrO + CO2
Zn(s) + S(s) + O2(g) = ZnSO4(s) =>
Zn(s) + S(s) + 2 O2(g) = ZnSO4(s)
C2H5OH + NaOH + CuSO4 = H2O + Na2SO4 + Cu2O + COH =>
C2H5OH + 12 NaOH + 6 CuSO4 = 8 H2O + 6 Na2SO4 + 3 Cu2O + 2 COH
NaHSO4 + Ba(NO3)2 = Ba(HSO4)2 + NaNO3 =>
2 NaHSO4 + Ba(NO3)2 = Ba(HSO4)2 + 2 NaNO3
AgN03 + NaC03 = NaN03 + AgC03 =>
AgN03 + NaC03 = NaN03 + AgC03
SO + H2 = H2S + H2O =>
SO + 2 H2 = H2S + H2O
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