| Équations équilibrées la veille |
23 Cu + 23 H2SO4 = 23 CuSO4 + 2 H23
K2C2O4*H2O + H2C2O4*2H2O + K2Cr2O7 = K3[Cr(C2O4)3]*3H2O + H2O + CO2 =>
2 K2C2O4*H2O + 7 H2C2O4*2H2O + K2Cr2O7 = 2 K3[Cr(C2O4)3]*3H2O + 17 H2O + 6 CO2
NH3 + KClO = N2 + KOH + HCl =>
2 NH3 + 3 KClO = N2 + 3 KOH + 3 HCl
CuCl2 + KOH = KCl + Cu(OH)2 =>
CuCl2 + 2 KOH = 2 KCl + Cu(OH)2
Phenol + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
MnO4{-} + H{+} + HNO2 = Mn{+2} + H2O + NO3{-} =>
2 MnO4{-} + H{+} + 5 HNO2 = 2 Mn{+2} + 3 H2O + 5 NO3{-}
Cu(C7H5O2) + H2 = CH4 + CO + Cu =>
2 Cu(C7H5O2) + 15 H2 = 10 CH4 + 4 CO + 2 Cu
C5H8 + CrO3 + H2SO4 = C3H4O4 + H2O + Cr2(SO4)3 =>
9 C5H8 + 44 CrO3 + 66 H2SO4 = 15 C3H4O4 + 72 H2O + 22 Cr2(SO4)3
H2O + Al + KOH = Al(OH)4{-} + H2 + K{+} =>
6 H2O + 2 Al + 2 KOH = 2 Al(OH)4{-} + 3 H2 + 2 K{+}
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
CO2 + H2O = O2 + C6H12O8 =>
6 CO2 + 6 H2O = 5 O2 + C6H12O8
MnSO4 + KI = Mn2SO4 + KSO4 + I =>
2 MnSO4 + KI = Mn2SO4 + KSO4 + I
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
FeO + Al = Fe + Al2O3 =>
3 FeO + 2 Al = 3 Fe + Al2O3
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cr + SnCl4 = Sn + CrCl2 =>
2 Cr + SnCl4 = Sn + 2 CrCl2
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + H2O + NaNO2 =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 2 Na2CrO4 + 2 H2O + 3 NaNO2
PbO + KOH + H2O = K[Pb(OH)3] =>
PbO + KOH + H2O = K[Pb(OH)3]
CaS + O2 = CaO + SO2 =>
2 CaS + 3 O2 = 2 CaO + 2 SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2CO3 + C3H6O + NH3 = C12H20N2O2 + H2O =>
9 H2CO3 + 29 C3H6O + 16 NH3 = 8 C12H20N2O2 + 40 H2O
CH3CHCHCH3 + Cl2 = CH3CHClCHClCH3 =>
CH3CHCHCH3 + Cl2 = CH3CHClCHClCH3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
MnO4{-} + Fe2{+} + H{+} = Mn{2+} + Fe{3+} + H2O =>
MnO4{-} + Fe2{+} + 8 H{+} = Mn{2+} + 2 Fe{3+} + 4 H2O
I + NH4F = NH4I + F =>
I + NH4F = NH4I + F
NO2{+} + ClO3{+} = NO3{+} + Cl{+} =>
3 NO2{+} + ClO3{+} = 3 NO3{+} + Cl{+}
CH3COONH4 + Cu(OH)2 = (CH3COO)2Cu + NH4OH =>
2 CH3COONH4 + Cu(OH)2 = (CH3COO)2Cu + 2 NH4OH
AgNO2 + H2O = AgOH + HNO2 =>
AgNO2 + H2O = AgOH + HNO2
HNO3 + HCl = NOCl + Cl2 + H2O =>
HNO3 + 3 HCl = NOCl + Cl2 + 2 H2O
CuCO3 + Ca = CuCa + CO3 =>
CuCO3 + Ca = CuCa + CO3
Na2S2O3 + Br2 + H2O = H2SO4 + HBr + Na2SO4 =>
Na2S2O3 + 4 Br2 + 5 H2O = H2SO4 + 8 HBr + Na2SO4
Kl + O2 = KlO3 =>
2 Kl + 3 O2 = 2 KlO3
Na2Zn(OH)4 = ZnO + H2O + NaOH =>
Na2Zn(OH)4 = ZnO + H2O + 2 NaOH
KBrO3 + H2O = HBrO3 + KOH =>
KBrO3 + H2O = HBrO3 + KOH
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Bi{3+} + H2O = BiO3{-} + H{+} + e =>
Bi{3+} + 3 H2O = BiO3{-} + 6 H{+} + 2e
H2O2 + MnO2 = MnH2 + O2 =>
H2O2 + MnO2 = MnH2 + 2 O2
HBr + KClO3 = KCl + Br2 + H2O =>
6 HBr + KClO3 = KCl + 3 Br2 + 3 H2O
KMnO4 + NaOH + Na2SO3 = NaKMnO4 + Na2SO4 + H2O =>
2 KMnO4 + 2 NaOH + Na2SO3 = 2 NaKMnO4 + Na2SO4 + H2O
Fe2(SO4)3 + H2O2 = FeSO4 + O2 + H2SO4 =>
Fe2(SO4)3 + H2O2 = 2 FeSO4 + O2 + H2SO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Cu(II)Cl + Al = AlCl3 + Cu(II) =>
3 Cu(II)Cl + Al = AlCl3 + 3 Cu(II)
Cl2O7 + H2 = Cl2O5 + H2O =>
Cl2O7 + 2 H2 = Cl2O5 + 2 H2O
(NH4)2SO4(aq) + Ca(OH)2(c) = CaSO4(c) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(c) = CaSO4(c) + 2 NH3(g) + 2 H2O(l)
HI + Na2(CO3) = H2CO3 + NaI =>
2 HI + Na2(CO3) = H2CO3 + 2 NaI
Co + KNO2 = K3Co(NO2)6 + K =>
Co + 6 KNO2 = K3Co(NO2)6 + 3 K
ZnSO4 = SO4Zn =>
ZnSO4 = SO4Zn
Cl2 + Cr{+3} + OH{-} = Cl{-} + CrO4{-2} + H2O =>
3 Cl2 + 2 Cr{+3} + 16 OH{-} = 6 Cl{-} + 2 CrO4{-2} + 8 H2O
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Équations équilibrées sur10/18/24
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