| Équations équilibrées la veille |
3 As2Se3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SeO4 + 28 NO
Al + I2 = IAl =>
2 Al + I2 = 2 IAl
Al2S3(s) = Al3 + S2 =>
6 Al2S3(s) = 4 Al3 + 9 S2
BaO + H2SO4 = Ba(SO4) + H2O =>
BaO + H2SO4 = Ba(SO4) + H2O
No + O2 = No2O2 =>
2 No + O2 = No2O2
C6H8O6 + AsO4{3-} = C6H6O6 + AsO3{3-} + H2O =>
C6H8O6 + AsO4{3-} = C6H6O6 + AsO3{3-} + H2O
BaCl2 + H2(NO3)2 = Ba(NO3)2 + H2Cl2 =>
BaCl2 + H2(NO3)2 = Ba(NO3)2 + H2Cl2
CuCl2 + LiBH4 = Cu + LiCl + B2H6 + H2 =>
CuCl2 + 2 LiBH4 = Cu + 2 LiCl + B2H6 + H2
[Cu(NH3)4]2 + K3[Fe(CN)6] = Cu[Fe(CN)6] + NH3 + K =>
[Cu(NH3)4]2 + 2 K3[Fe(CN)6] = 2 Cu[Fe(CN)6] + 8 NH3 + 6 K
As4O6 + MnO4{-} + H{+} + H2O = H3AsO4 + Mn{+2} =>
5 As4O6 + 8 MnO4{-} + 24 H{+} + 18 H2O = 20 H3AsO4 + 8 Mn{+2}
Na{3]}Po{4} + HCl = NaCl + H{3}PO{4} =>
Na{3]}Po{4} + HCl = NaCl + H{3}PO{4}
C2 + H2 + O2 = C2H5OH =>
2 C2 + 6 H2 + O2 = 2 C2H5OH
Ca(NO3)2*4H2O + Fe(NO3)3*9H2O + C6H8O7H2O = CaFe2O4 + H2O + CO2(g) + N2(g) =>
9 Ca(NO3)2*4H2O + 18 Fe(NO3)3*9H2O + 20 C6H8O7H2O = 9 CaFe2O4 + 298 H2O + 120 CO2(g) + 36 N2(g)
Ga + O = GaO2 =>
Ga + 2 O = GaO2
S2O3{2-} + Cu{2}{+} = S4O6{-2} + Cu{+} =>
2 S2O3{2-} + 2 Cu{2}{+} = S4O6{-2} + 2 Cu{+}
KBr + HgNo3 = HgBr + KNo3 =>
KBr + HgNo3 = HgBr + KNo3
Ni(NH3)6Cl2 + NH4BF4 = Ni(NH3)6(BF4)2 + NH4Cl =>
Ni(NH3)6Cl2 + 2 NH4BF4 = Ni(NH3)6(BF4)2 + 2 NH4Cl
Se + BrF5 = SeF6 + BrF3 =>
Se + 3 BrF5 = SeF6 + 3 BrF3
H2SO4 + BaCl = BaSO4 + H2Cl =>
H2SO4 + BaCl = BaSO4 + H2Cl
Mg2 + AgNO3 = Ag + Mg2NO3 =>
Mg2 + AgNO3 = Ag + Mg2NO3
Fe + NO3{-} + H3O{+} = Fe3{+} + NO2 + H2O =>
3 Fe + NO3{-} + 2 H3O{+} = Fe3{+} + NO2 + 3 H2O
KIO3 + NaHSO3 = I2 + KHSO4 + NaHSO4 + Na2SO4 + H2O =>
2 KIO3 + 5 NaHSO3 = I2 + 2 KHSO4 + NaHSO4 + 2 Na2SO4 + H2O
FeSO4 + Ba(NO3)2 = Fe(NO3)2 + BaSO4 =>
FeSO4 + Ba(NO3)2 = Fe(NO3)2 + BaSO4
No2 + K = KNo2 =>
No2 + K = KNo2
NH4Cl + BaCl2 = BaNH4 + Cl =>
NH4Cl + BaCl2 = BaNH4 + 3 Cl
Fe(NO3)3 + Zn2 = Zn(NO3)3 + Fe =>
2 Fe(NO3)3 + Zn2 = 2 Zn(NO3)3 + 2 Fe
Ca(C2H3O2)2 + KBr = CaBr + K(C2H3O2)2 =>
Ca(C2H3O2)2 + KBr = CaBr + K(C2H3O2)2
CuSO4(aq) + KI(aq) = CuI(s) + I2(s) + K2SO4(aq) =>
2 CuSO4(aq) + 4 KI(aq) = 2 CuI(s) + I2(s) + 2 K2SO4(aq)
MnO2 + KBr + H2SO4 = MnSO4 + H2O + K2SO4 + Br2 =>
MnO2 + 2 KBr + 2 H2SO4 = MnSO4 + 2 H2O + K2SO4 + Br2
CO(g) + H2(g) = CH4(g) + H2O(l) =>
CO(g) + 3 H2(g) = CH4(g) + H2O(l)
H4N2 + F2 = HF + N3 =>
3 H4N2 + 6 F2 = 12 HF + 2 N3
MnCO3 + HBr = MnBr2 + H2CO3 =>
MnCO3 + 2 HBr = MnBr2 + H2CO3
CO + Cl2 = COCl2(g) =>
CO + Cl2 = COCl2(g)
HIO + NaC3H5O2 = HC3H5O2 + NaIO =>
HIO + NaC3H5O2 = HC3H5O2 + NaIO
Cu3AsS4 + HNO3 = Cu(NO3)2 + H3AsO4 + H2SO4 + NO + H2O =>
3 Cu3AsS4 + 53 HNO3 = 9 Cu(NO3)2 + 3 H3AsO4 + 12 H2SO4 + 35 NO + 10 H2O
C2H8N2 + N2O3 = N + H2O + CO2 =>
3 C2H8N2 + 8 N2O3 = 22 N + 12 H2O + 6 CO2
Fe(OH)2 + NaClO + H2O = Fe(OH)3 + NaOH + Cl2 =>
2 Fe(OH)2 + 2 NaClO + 2 H2O = 2 Fe(OH)3 + 2 NaOH + Cl2
KCrCl2 + KOH + KClO3 = K2Cr2O7 + KCl + H2O =>
6 KCrCl2 + 12 KOH + 5 KClO3 = 3 K2Cr2O7 + 17 KCl + 6 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
KMnO4 + I2 = KI + KIO3 + MnO2 =>
6 KMnO4 + 3 I2 = 2 KI + 4 KIO3 + 6 MnO2
CuO + H2SO4 = OH + Cu2SO4 =>
2 CuO + H2SO4 = 2 OH + Cu2SO4
Co(H2O)4(OH)2(aq) + H2O2(aq) = Co2O3(s) + H2O(aq) =>
2 Co(H2O)4(OH)2(aq) + H2O2(aq) = Co2O3(s) + 11 H2O(aq)
OH{-} + FeOH{2+} + HF = FeF2{+} + H2O =>
OH{-} + FeOH{2+} + 2 HF = FeF2{+} + 2 H2O
Zn3(PO4)2 + KOH = Zn(OH)2 + K3PO4 =>
Zn3(PO4)2 + 6 KOH = 3 Zn(OH)2 + 2 K3PO4
sodiumazide = Na3N + N2 =>
3 NaN3 = Na3N + 4 N2
Pb + H2SO4 = PbOHSO4 + SO2 + H2O =>
2 Pb + 5 H2SO4 = 2 PbOHSO4 + 3 SO2 + 4 H2O
MgCl{2} + LiOH = MgOH{2} + LiCl =>
MgCl{2} + LiOH = MgOH{2} + LiCl
MgS + HCl = MgH + SCl =>
MgS + HCl = MgH + SCl
Mg(s) + CrCl3(aq) = Cl3 + MgCr =>
Mg(s) + CrCl3(aq) = Cl3 + MgCr
calciumchloride + Ammoniumhydroxide = Calciumhydroxide + ammoniumchloride =>
CaCl2 + 2 NH4OH = Ca(OH)2 + 2 NH4Cl
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