| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNO3 + Na2S = 2 NaNO3 + H2S
HL + Zn(OH)2 = ZnL2 + H2O =>
2 HL + Zn(OH)2 = ZnL2 + 2 H2O
Ni(NO3)2 + NaHCO2 = NiHCO2 + Na(NO3)2 =>
Ni(NO3)2 + NaHCO2 = NiHCO2 + Na(NO3)2
KMnO4 + HNO3 + KBr = KNO3 + Br2 + Mn(NO3)2 + H2O =>
2 KMnO4 + 16 HNO3 + 10 KBr = 12 KNO3 + 5 Br2 + 2 Mn(NO3)2 + 8 H2O
H5IO6 + NO = NO3{-} + IO3{-} + H{+} + H2O =>
3 H5IO6 + 2 NO = 2 NO3{-} + 3 IO3{-} + 5 H{+} + 5 H2O
(NH4)2CO3 + BaCl2 = BaCO3 + (NH4)2 + Cl2 =>
(NH4)2CO3 + BaCl2 = BaCO3 + (NH4)2 + Cl2
K2Cr2O7 + HCl + FeS = KCl + CrCl3 + FeO + S + H2O =>
K2Cr2O7 + 8 HCl + 3 FeS = 2 KCl + 2 CrCl3 + 3 FeO + 3 S + 4 H2O
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
Mg(OH)2 + SO3 = MgSO4 + H2O =>
Mg(OH)2 + SO3 = MgSO4 + H2O
NaCn + CuCo3 = Na2Co3 + Cu(Cn)2 =>
2 NaCn + CuCo3 = Na2Co3 + Cu(Cn)2
(CuOH)2SO4 = CuO + H2SO4 =>
(CuOH)2SO4 = 2 CuO + H2SO4
Zn(NO3)2 + H3PO4 = Zn3(PO4)2 + HNO3 =>
3 Zn(NO3)2 + 2 H3PO4 = Zn3(PO4)2 + 6 HNO3
Cu2S2 = CuS =>
Cu2S2 = 2 CuS
Ni(NO3)2 + Na3PO4 = NiPO4 + Na3(NO3)2 =>
Ni(NO3)2 + Na3PO4 = NiPO4 + Na3(NO3)2
Si + O2 = SiO2 =>
Si + O2 = SiO2
CH3ONa + C2H4O2 = C2H3NaO2 + CH4O =>
CH3ONa + C2H4O2 = C2H3NaO2 + CH4O
Na2B4O7 + HCI + H2O = NaCI + H3BO3 =>
Na2B4O7 + 2 HCI + 5 H2O = 2 NaCI + 4 H3BO3
NO + O3 = NO2 =>
3 NO + O3 = 3 NO2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
NO + O3 = NO2 =>
3 NO + O3 = 3 NO2
S2FeCu + O2 = CuO + Fe2O3 + SO2 =>
4 S2FeCu + 13 O2 = 4 CuO + 2 Fe2O3 + 8 SO2
CO + Fe2O3 = Fe2O + CO3 =>
CO + Fe2O3 = Fe2O + CO3
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + KOH + C6H5C(O)CH3 + H2O =>
3 C6H5CH(OH)CH3 + K2Cr2O7 + 3 H2SO4 = Cr2(SO4)3 + 2 KOH + 3 C6H5C(O)CH3 + 5 H2O
Na2SiO3 + NH4Cl = NH3 + H2SiO3 + NaCl =>
Na2SiO3 + 2 NH4Cl = 2 NH3 + H2SiO3 + 2 NaCl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
C7H14O6N3(s) + O2(g) = CO2(g) + H2O(g) + NH3(g) =>
4 C7H14O6N3(s) + 21 O2(g) = 28 CO2(g) + 10 H2O(g) + 12 NH3(g)
S8 + MnO4{-} = SO4{2-} + MnO2 =>
S8 + 16 MnO4{-} = 8 SO4{2-} + 16 MnO2
C2H4 + CO + CH3OH = CH3CH2CO2CH3 =>
C2H4 + CO + CH3OH = CH3CH2CO2CH3
C6H14 + HNO3 = CO2 + NO + H2O =>
3 C6H14 + 38 HNO3 = 18 CO2 + 38 NO + 40 H2O
K2Cr2O7 + KBr + HNO3 = KNO3 + Cr(NO3)3 + Br2 + H2O =>
K2Cr2O7 + 6 KBr + 14 HNO3 = 8 KNO3 + 2 Cr(NO3)3 + 3 Br2 + 7 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
HgCrO4 + NaOH = Hg(OH)2 + Na2CrO4 =>
HgCrO4 + 2 NaOH = Hg(OH)2 + Na2CrO4
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 2 Na2CrO4 + 3 NaNO2 + 2 H2O
AgNO3 + NaOH + NH3 = Ag(NH3)2OH + NaNO3 =>
AgNO3 + NaOH + 2 NH3 = Ag(NH3)2OH + NaNO3
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Rb + ZnS = RbS + Zn =>
Rb + ZnS = RbS + Zn
CaCl2 + KBrO3 = Ca(BrO3)2 + KCl =>
CaCl2 + 2 KBrO3 = Ca(BrO3)2 + 2 KCl
BaO2(s) = BaO(s) + O2(g) =>
2 BaO2(s) = 2 BaO(s) + O2(g)
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
(CH3)4NCl + ICl = (CH3)4N(ICl2) =>
(CH3)4NCl + ICl = (CH3)4N(ICl2)
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Zn + NO3 + OH = ZnO2 + NH3 =>
3 Zn + NO3 + 3 OH = 3 ZnO2 + NH3
Na3AsO3 + Zn + NaOH + H2O = Na2Zn(OH)4 + AsH3 =>
Na3AsO3 + 3 Zn + 3 NaOH + 6 H2O = 3 Na2Zn(OH)4 + AsH3
MnO2 + PbO2 + H{+} = Pb{2+} + MnO4{-} + H2O =>
2 MnO2 + 3 PbO2 + 4 H{+} = 3 Pb{2+} + 2 MnO4{-} + 2 H2O
C11H15NO + HCl = C11H15NOHCl =>
C11H15NO + HCl = C11H15NOHCl
Zn + H2SO4 = H2 + ZnSO4 =>
Zn + H2SO4 = H2 + ZnSO4
KCr(H2O)2(C2O4)2 + KOH = Cr(OH)3 + K2C2O4 + H2O =>
KCr(H2O)2(C2O4)2 + 3 KOH = Cr(OH)3 + 2 K2C2O4 + 2 H2O
CaO + HI = CaI2(aq) + H2O(l) =>
CaO + 2 HI = CaI2(aq) + H2O(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/20/24
Équations équilibrées sur12/20/23
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