| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2Cr2O7 + 2 KMnO4 = K2Cr2O7 + 2 MnO2 + N2 + 4 H2O
CH3Cl + NaOH = C3H6 + NaCl + H2O =>
3 CH3Cl + 3 NaOH = C3H6 + 3 NaCl + 3 H2O
C2H6O + KMnO4 + H2SO4 = CH3COH + MnSO4 + K2SO4 + H2O =>
5 C2H6O + 2 KMnO4 + 3 H2SO4 = 5 CH3COH + 2 MnSO4 + K2SO4 + 8 H2O
CrO4{2-} + H2O = Cr{3+} + OH{-} + O2 =>
4 CrO4{2-} + 10 H2O = 4 Cr{3+} + 20 OH{-} + 3 O2
HNO2 + I{-} + H{+} = NO + I2{-} + H2O =>
HNO2 + 2 I{-} + H{+} = NO + I2{-} + H2O
NaOH + Ca(NO3)2 = NaNO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)2 = 2 NaNO3 + Ca(OH)2
I2 + K2S2O8 = K2SO4 + I2SO4 =>
I2 + K2S2O8 = K2SO4 + I2SO4
Pb + Br2 = PbBr4 =>
Pb + 2 Br2 = PbBr4
K2SO4 + BaCO3 = BaSO4 + K2CO3 =>
K2SO4 + BaCO3 = BaSO4 + K2CO3
Pb2O4 + C = Pb + CO =>
Pb2O4 + 4 C = 2 Pb + 4 CO
(NH4)Cl + NaNO2 = NaCl + N2 + H2O =>
(NH4)Cl + NaNO2 = NaCl + N2 + 2 H2O
AnswerH2SO4 + AnswerNaOH = AnswerNa2SO4 + AnswerH2O =>
AnswerH2SO4 + 2 AnswerNaOH = AnswerNa2SO4 + 2 AnswerH2O
Na2SO4 + Pb(CH3COO)2 = PbSO4 + Na2(CH3COO)2 =>
Na2SO4 + Pb(CH3COO)2 = PbSO4 + Na2(CH3COO)2
HCOOH + Cu2O = HCOOCu + H2O =>
2 HCOOH + Cu2O = 2 HCOOCu + H2O
NaCl + H2SO4(s) = Na2SO4 + HCl =>
2 NaCl + H2SO4(s) = Na2SO4 + 2 HCl
C8H9NO2 + NaOH = NaC8H8NO2 + H2O =>
C8H9NO2 + NaOH = NaC8H8NO2 + H2O
NaCl + H2SO4(s) = Na2SO4 + HCl =>
2 NaCl + H2SO4(s) = Na2SO4 + 2 HCl
NH3 + CuSO4 = [Cu(NH3)4]SO4 =>
4 NH3 + CuSO4 = [Cu(NH3)4]SO4
(CH3CH2OH) + O2 = (CH3COOH) + H2O =>
(CH3CH2OH) + O2 = (CH3COOH) + H2O
(C)2(H)2 + (O)2 = C(O)2 + (H)2O =>
2(C)2(H)2 + 5(O)2 = 4 C(O)2 + 2(H)2O
CH3CH2OH + K2Cr2O7 + HCl = CH3CHO + CrCl3 + KCl + H2O =>
3 CH3CH2OH + K2Cr2O7 + 8 HCl = 3 CH3CHO + 2 CrCl3 + 2 KCl + 7 H2O
Ag(SO4) = AgSO4 =>
Ag(SO4) = AgSO4
H2O + Be = Be(OH)2 + H2 =>
2 H2O + Be = Be(OH)2 + H2
CrCl3(aq) + Na2Co3(aq) = Cr2(Co3)3(s) + NaCl(aq) =>
2 CrCl3(aq) + 3 Na2Co3(aq) = Cr2(Co3)3(s) + 6 NaCl(aq)
Mn + CoO = Mn3O4 + Co =>
3 Mn + 4 CoO = Mn3O4 + 4 Co
NaClO3 + KCl = KClO3 + NaCl =>
NaClO3 + KCl = KClO3 + NaCl
NaO2 + Na = NaO =>
NaO2 + Na = 2 NaO
Au{+3} + Fe{+2} = Au + Fe{+3} =>
Au{+3} + 3 Fe{+2} = Au + 3 Fe{+3}
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaBiO3 + MnSO4 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + Na2SO4 + H2O =>
5 NaBiO3 + 2 MnSO4 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + NaNO3 + 2 Na2SO4 + 7 H2O
NaCl + MnI = NaI + MnCl =>
NaCl + MnI = NaI + MnCl
C27H46 + O2 = CO2 + H2O =>
2 C27H46 + 77 O2 = 54 CO2 + 46 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Pb(NO3)2 + NaN3 = Pb(N3)2 + NaNO3 =>
Pb(NO3)2 + 2 NaN3 = Pb(N3)2 + 2 NaNO3
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Fe(OH)3 + (NH4)2SO4 = NH4OH + Fe2(SO4)3 =>
2 Fe(OH)3 + 3(NH4)2SO4 = 6 NH4OH + Fe2(SO4)3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
CuCO3 + K2SO3 = CuSO3 + K2CO3 =>
CuCO3 + K2SO3 = CuSO3 + K2CO3
Cl + Br + O = ClBrO =>
Cl + Br + O = ClBrO
C6H4BrN2O4 + C6H7N = C12H9N3O4 + H2Br =>
C6H4BrN2O4 + C6H7N = C12H9N3O4 + H2Br
Ag + HBr = AgBr + H2 =>
2 Ag + 2 HBr = 2 AgBr + H2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Al + NCl2 = AlCl3 + N =>
2 Al + 3 NCl2 = 2 AlCl3 + 3 N
Fe(III) + Cu(II)S = Cu(II) + Fe(III)S =>
Fe(III) + Cu(II)S = Cu(II) + Fe(III)S
NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 NaBH4 + H2SO4 = B2H6 + 2 H2 + Na2SO4
C135H9609 + O2 = CO2 + H2O =>
4 C135H9609 + 10149 O2 = 540 CO2 + 19218 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/03/25
Équations équilibrées sur02/02/24
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