| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NH3 + 4 H2O2 = 5 H2O + NH4NO3
NaI(s) + Br2(l) = NaBr + I =>
2 NaI(s) + Br2(l) = 2 NaBr + 2 I
Fe(NO3)3(aq) + NaI(aq) = Fe(NO3)2(aq) + I2(aq) + NaNO3(aq) =>
2 Fe(NO3)3(aq) + 2 NaI(aq) = 2 Fe(NO3)2(aq) + I2(aq) + 2 NaNO3(aq)
K2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + KOH + H2O =>
K2Cr2O7 + 6 FeSO4 + 6 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 2 KOH + 5 H2O
NH2OH = N2 + NH3 + H2O =>
3 NH2OH = N2 + NH3 + 3 H2O
HCl + NaHCO3 = NaCl + H(HCO3) =>
HCl + NaHCO3 = NaCl + H(HCO3)
Fe(NO3)3(aq) + NaI(aq) = FeI3(aq) + NaNO3(aq) =>
Fe(NO3)3(aq) + 3 NaI(aq) = FeI3(aq) + 3 NaNO3(aq)
Fe(NO3)2 + PO4{-3} = Fe3(PO4)2 + NO3{-} =>
3 Fe(NO3)2 + 2 PO4{-3} = Fe3(PO4)2 + 6 NO3{-}
HCl + NaHCO3 = NaCl + H(HCO3) =>
HCl + NaHCO3 = NaCl + H(HCO3)
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
C14H10O2 + NaBH4 + CH3CH2OH = C14H12O2 + NaB(OCH2CH3)4 =>
4 C14H10O2 + NaBH4 + 4 CH3CH2OH = 4 C14H12O2 + NaB(OCH2CH3)4
HgCl2 + H2O = HgO + H2Cl2 =>
HgCl2 + H2O = HgO + H2Cl2
Ni + H2 = HNi =>
2 Ni + H2 = 2 HNi
Fe(NO3)3*9H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)3*9H2O = FeO + 3 NO2 + O2 + 9 H2O
Fe(C2H3O2)2 + NaOH = NaC2H3O2 + Fe(OH)2 =>
Fe(C2H3O2)2 + 2 NaOH = 2 NaC2H3O2 + Fe(OH)2
Na + O2 = NaO2 =>
Na + O2 = NaO2
K2Cr2O7 + SO4 + NaOH = KCrO4 + Na2SO4 + H2O =>
K2Cr2O7 + SO4 + 2 NaOH = 2 KCrO4 + Na2SO4 + H2O
C3H5(OH)3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
5 C3H5(OH)3 + 14 KMnO4 + 21 H2SO4 = 14 MnSO4 + 7 K2SO4 + 15 CO2 + 41 H2O
P + Mg = P2Mg5 =>
2 P + 5 Mg = P2Mg5
SnCl2 + NaOH = SnO + NaCl + H2O =>
SnCl2 + 2 NaOH = SnO + 2 NaCl + H2O
Fe(NO3)3 + NaSCN = Fe(SCN)3 + Na(NO3) =>
Fe(NO3)3 + 3 NaSCN = Fe(SCN)3 + 3 Na(NO3)
KBr + KMnO4 + H2SO4 = Br2 + Mn2SO4 + K2SO4 + H2O =>
12 KBr + 2 KMnO4 + 8 H2SO4 = 6 Br2 + Mn2SO4 + 7 K2SO4 + 8 H2O
FeO(g) + O2(g) = Fe2O3(s) =>
4 FeO(g) + O2(g) = 2 Fe2O3(s)
I{-} + H{+} + SO4{2-} = I2 + SO2 + H2O =>
2 I{-} + 4 H{+} + SO4{2-} = I2 + SO2 + 2 H2O
HCl + NaOCl = Cl2 + H2O + NaCl =>
2 HCl + NaOCl = Cl2 + H2O + NaCl
SnCl4 + NH3*H2O = H2[Sn(OH)6] + NH4Cl + NH3 =>
SnCl4 + 6 NH3*H2O = H2[Sn(OH)6] + 4 NH4Cl + 2 NH3
LiOH*H2O + Al(OH)3 + La(OH)3 + BaCO3 + ZrO2 = Li65Al2La29Ba1Zr20O120 + H + C + O =>
65 LiOH*H2O + 2 Al(OH)3 + 29 La(OH)3 + BaCO3 + 20 ZrO2 = Li65Al2La29Ba1Zr20O120 + 288 H + C + 146 O
CI2 + K = KCI2 =>
CI2 + K = KCI2
Fe + CuSO4 = Cu + Fe2(SO4)3* =>
2 Fe + 3 CuSO4 = 3 Cu + Fe2(SO4)3*
ZnSO4 + NH3 = Zn(NH3)4 + SO4 =>
ZnSO4 + 4 NH3 = Zn(NH3)4 + SO4
Fe(OH)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe(OH)2 + 10 HNO3 = 3 Fe(NO3)3 + NO + 8 H2O
(NH4)2CO3 + CaSO4 = (NH4)2SO4 + CaCO3 =>
(NH4)2CO3 + CaSO4 = (NH4)2SO4 + CaCO3
HCl + NaOCl = Cl2 + H2O + NaCl =>
2 HCl + NaOCl = Cl2 + H2O + NaCl
CH3OCH3(l) + O2(g) = CO2 + H2O =>
CH3OCH3(l) + 3 O2(g) = 2 CO2 + 3 H2O
HgSO4 + NO + H2O = HNO3 + H2SO4 + Hg =>
3 HgSO4 + 2 NO + 4 H2O = 2 HNO3 + 3 H2SO4 + 3 Hg
Fe(OH)2 + KOH = K2FeO2 + H2O =>
Fe(OH)2 + 2 KOH = K2FeO2 + 2 H2O
Al(OH)3 + H2O = AlH2 + OH =>
Al(OH)3 + 2 H2O = AlH2 + 5 OH
BaCO3(s) + HBr(aq) = BaBr2(aq) + H2O + CO2 =>
BaCO3(s) + 2 HBr(aq) = BaBr2(aq) + H2O + CO2
CH3CH(OH)COOH + NaOH = CH3CH(OH)COONa + H2O =>
CH3CH(OH)COOH + NaOH = CH3CH(OH)COONa + H2O
HI + Na2S2O3 = NaI + S + SO2 + H2O =>
2 HI + Na2S2O3 = 2 NaI + S + SO2 + H2O
P4 + HNO3 = H3PO4 + H2O + NO2 =>
P4 + 20 HNO3 = 4 H3PO4 + 4 H2O + 20 NO2
Li + Fe(NO3)3 = LiNO3 + Fe3 =>
9 Li + 3 Fe(NO3)3 = 9 LiNO3 + Fe3
C7H4O4NBr + Zn + HCl = C7H8ONBr + ZnCl2 + H2O =>
C7H4O4NBr + 5 Zn + 10 HCl = C7H8ONBr + 5 ZnCl2 + 3 H2O
SO4H2 + H2O = H3O + SO4 =>
SO4H2 + 2 H2O = 2 H3O + SO4
NaCl + CuSO4 + SO2 + H2O = CuCl + Na2SO4 + HCl =>
6 NaCl + 2 CuSO4 + SO2 + 2 H2O = 2 CuCl + 3 Na2SO4 + 4 HCl
NaH2PO4 + KOH = Na2HPO4 + K2HPO4 + H2O =>
2 NaH2PO4 + 2 KOH = Na2HPO4 + K2HPO4 + 2 H2O
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
Li2S(aq) + Ni(NO3)2(aq) = Li2(NO3)2 + SNi =>
Li2S(aq) + Ni(NO3)2(aq) = Li2(NO3)2 + SNi
Cr2O72{-} + H{+} + CH3CH2OH = Cr3{+} + H2O + CH3COOH =>
12 Cr2O72{-} + 20 H{+} + 427 CH3CH2OH = 8 Cr3{+} + 437 H2O + 427 CH3COOH
Fe(OH)2Cl + HCl = FeCl3 + H2O =>
Fe(OH)2Cl + 2 HCl = FeCl3 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/08/24
Équations équilibrées sur08/07/23
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