| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaBr(aq) + BaCl2(aq) = 2 NaCl(aq) + BaBr2(aq)(s)
H2O + Pb(CH3COO)2 + CO2 = (HCH3COOH) + PbCO3 =>
13 H2O + 9 Pb(CH3COO)2 + 5 CO2 = 16(HCH3COOH) + 9 PbCO3
CuS + HNO3 = Cu(NO3)2 + H2O + NO2 + S =>
CuS + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2 + S
Pd + N2 = Pd3N4 =>
3 Pd + 2 N2 = Pd3N4
CaCl2 + AgCH3CO2 = Ca(CH3CO2)2 + AgCl =>
CaCl2 + 2 AgCH3CO2 = Ca(CH3CO2)2 + 2 AgCl
Ni(CHCCO3)2*4H4O + C4H6CoO4 + NaOH = CoONi + H2O + NaO + C =>
Ni(CHCCO3)2*4H4O + C4H6CoO4 + 2 NaOH = CoONi + 13 H2O + 2 NaO + 10 C
NaHCO3(s) + C6H8O7(s) = C6H5Na3O7(aq) + CO2(g) + H2O(l) =>
3 NaHCO3(s) + C6H8O7(s) = C6H5Na3O7(aq) + 3 CO2(g) + 3 H2O(l)
Fe2O3 + H2(g) = Fe + H2O(g) =>
Fe2O3 + 3 H2(g) = 2 Fe + 3 H2O(g)
Na + SO4 = Na2SO4 =>
2 Na + SO4 = Na2SO4
CuSO4 + Na2S = CuS(s) + Na2SO4 =>
CuSO4 + Na2S = CuS(s) + Na2SO4
Cr2O7{-2} + CH3OH + H{+} = Cr{+3} + CO2 + H2O =>
Cr2O7{-2} + CH3OH + 8 H{+} = 2 Cr{+3} + CO2 + 6 H2O
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
C6H5CH2CH3 + KMnO4 = C6H5COOK + K2CO3 + MnO2 + H2O =>
3 C6H5CH2CH3 + 22 KMnO4 = 2 C6H5COOK + 10 K2CO3 + 22 MnO2 + 10 H2O
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
Cu{+} = Cu{2+} + e =>
Cu{+} = Cu{2+} + e
C8H10 + O2 = CO2 + HOH =>
2 C8H10 + 21 O2 = 16 CO2 + 10 HOH
CI + NaI = NaCI + I2 =>
2 CI + 2 NaI = 2 NaCI + I2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
C7H8 + O = C7H6O2 + H2O =>
C7H8 + 3 O = C7H6O2 + H2O
CsI + Cl2 = CsCl + I =>
2 CsI + Cl2 = 2 CsCl + 2 I
KOH(aq) + HCI(aq) = KCI(aq) + H2O(l) =>
KOH(aq) + HCI(aq) = KCI(aq) + H2O(l)
FeCO3 + H2O + CO2 = Fe(HCO3)2 =>
FeCO3 + H2O + CO2 = Fe(HCO3)2
RuCl3 + C6H13N + C2H2O2Cl2 = Ru2(C2O4)3(C8H17N)2 + C2H4Cl2 + Cl2 =>
2 RuCl3 + 2 C6H13N + 6 C2H2O2Cl2 = Ru2(C2O4)3(C8H17N)2 + C2H4Cl2 + 8 Cl2
Ca(OH)2 + Cl2 + Na2CO3 = CaCl2 + NaClO + CO2 + H2O =>
Ca(OH)2 + 2 Cl2 + Na2CO3 = CaCl2 + 2 NaClO + CO2 + H2O
LaC2 + H2O = La(OH)3 + C2 + H2 =>
2 LaC2 + 6 H2O = 2 La(OH)3 + 2 C2 + 3 H2
Co(NO3)2 = NO3 + Co2 =>
2 Co(NO3)2 = 4 NO3 + Co2
B2H6 + KOH + H2O = KBO2 + H2 =>
B2H6 + 2 KOH + 2 H2O = 2 KBO2 + 6 H2
SrCl2 + CuSO4 = SrSO4 + CuCl2 =>
SrCl2 + CuSO4 = SrSO4 + CuCl2
C23H26 + O2 = CO2 + H2O =>
2 C23H26 + 59 O2 = 46 CO2 + 26 H2O
KAl(SO4)2 + NaHCO3 = Na2SO4 + K2SO4 + Al(OH)3 + CO2 =>
2 KAl(SO4)2 + 6 NaHCO3 = 3 Na2SO4 + K2SO4 + 2 Al(OH)3 + 6 CO2
CH3COOH + CuO = (CH3COO)2Cu + HOH =>
2 CH3COOH + CuO = (CH3COO)2Cu + HOH
CuBr2 + H2SO4 + Na2SO3 = CuBr + Na2SO4 + HBr + SO2 =>
2 CuBr2 + H2SO4 + 2 Na2SO3 = 2 CuBr + 2 Na2SO4 + 2 HBr + SO2
Sb + O = SbO =>
Sb + O = SbO
H2SeO4 + ZnO = ZnSeO4 + H2O =>
H2SeO4 + ZnO = ZnSeO4 + H2O
Cu + O3 = CuO =>
3 Cu + O3 = 3 CuO
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
[Ag(NH3)2]NO3 = Ag + NH3 + NO2 + O2 =>
2[Ag(NH3)2]NO3 = 2 Ag + 4 NH3 + 2 NO2 + O2
CoCl2 + KCNS = K2[Co(CNS)4] + KCl =>
CoCl2 + 4 KCNS = K2[Co(CNS)4] + 2 KCl
CuSO4 + KI + Na2S2O3 = CuI + K2SO4 + NaS4O6 + Na2SO4 =>
6 CuSO4 + 6 KI + 4 Na2S2O3 = 6 CuI + 3 K2SO4 + 2 NaS4O6 + 3 Na2SO4
Cl2 + CsBr = Cl2Br + Cs =>
Cl2 + CsBr = Cl2Br + Cs
Zn(NO3)2 + NaNO3 = ZnNO3 + Na(NO3)2 =>
Zn(NO3)2 + NaNO3 = ZnNO3 + Na(NO3)2
Ni + O = NiO2 =>
Ni + 2 O = NiO2
H2O + K{+} + Al(H2O)6{3+} + SO4{2-} = KAl(SO4)2*12H2O =>
6 H2O + K{+} + Al(H2O)6{3+} + 2 SO4{2-} = KAl(SO4)2*12H2O
NaI + K2Cr2O7 + HCl = I2 + CrCl3 + NaCl + KCl + H2O =>
6 NaI + K2Cr2O7 + 14 HCl = 3 I2 + 2 CrCl3 + 6 NaCl + 2 KCl + 7 H2O
Bi9S2 + O2 = Bi2O3 + SO2 =>
4 Bi9S2 + 35 O2 = 18 Bi2O3 + 8 SO2
Cl2 + Ca(OH)2 = CaCl2 + H2O + O2 =>
2 Cl2 + 2 Ca(OH)2 = 2 CaCl2 + 2 H2O + O2
Cd + HBr = CdBr + H =>
Cd + HBr = CdBr + H
Al(NO3)3 + NH3 = AlN + HNO3 =>
Al(NO3)3 + NH3 = AlN + 3 HNO3
SiH4 + H2O = H2SiO3 + H2 =>
SiH4 + 3 H2O = H2SiO3 + 4 H2
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + N2 + H2O =>
5(NH4)2C2O4 + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 10 CO2 + 5 N2 + 32 H2O
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Équations équilibrées sur11/26/24
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