| Équations équilibrées la veille |
Be(NO3)2 + 2 HNO2 = Be(HNO3)2 + 2 NO2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CuSO4(aq) + NH3(aq) = Cu(NH3)4SO4(aq) =>
CuSO4(aq) + 4 NH3(aq) = Cu(NH3)4SO4(aq)
Rb(s) + H2O(aq) = RbOH(aq) + H2(g) =>
2 Rb(s) + 2 H2O(aq) = 2 RbOH(aq) + H2(g)
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
Ba + HNO3 = Ba(NO3)2 + NH3 + H2O =>
4 Ba + 9 HNO3 = 4 Ba(NO3)2 + NH3 + 3 H2O
C2H4 + C4H3F7O = C6H7F7O =>
C2H4 + C4H3F7O = C6H7F7O
K2Cr2O7 + NaOH = KOH + Na2Cr2O7 =>
K2Cr2O7 + 2 NaOH = 2 KOH + Na2Cr2O7
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cr(OH)3 + RbOH = Rb[Cr(OH)4] =>
Cr(OH)3 + RbOH = Rb[Cr(OH)4]
Fe(OH)3 + CaSO4 = FeSO4 + Ca(OH)3 =>
Fe(OH)3 + CaSO4 = FeSO4 + Ca(OH)3
NH3(aq) + CuSO4(aq) = Cu(NH3)4 + SO4 =>
4 NH3(aq) + CuSO4(aq) = Cu(NH3)4 + SO4
V + Si = VSi2 =>
V + 2 Si = VSi2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
COSO4 + KI + KIO3 + H2O = CO(OH)2 + K2SO4 + I2 =>
3 COSO4 + 5 KI + KIO3 + 3 H2O = 3 CO(OH)2 + 3 K2SO4 + 3 I2
H2S + H2SO4 = H2O + SO2 =>
H2S + 3 H2SO4 = 4 H2O + 4 SO2
Pb(SO4)2 + H2 = SO2 + Pb + H2O =>
Pb(SO4)2 + 4 H2 = 2 SO2 + Pb + 4 H2O
CaCl2 + K2PO4 = KCl + CaPO4 =>
CaCl2 + K2PO4 = 2 KCl + CaPO4
HCl + NH3 = NH3Cl + H2 =>
2 HCl + 2 NH3 = 2 NH3Cl + H2
SO3 + C = CO2 + S =>
2 SO3 + 3 C = 3 CO2 + 2 S
CuSO4(aq) + NH3(aq) = [Cu(NH3)4]SO4(aq) =>
CuSO4(aq) + 4 NH3(aq) = [Cu(NH3)4]SO4(aq)
Pb(SO4)2 + H2 = SO2 + Pb + H2O =>
Pb(SO4)2 + 4 H2 = 2 SO2 + Pb + 4 H2O
Zn + Pb(II) = Zn(II) + Pb =>
Zn + Pb(II) = Zn(II) + Pb
SiO2 + H2 = Si + H2O =>
SiO2 + 2 H2 = Si + 2 H2O
CaO(s) + SiO2(s) = CaSiO3(l) =>
CaO(s) + SiO2(s) = CaSiO3(l)
C9H20 + O2(g) = CO2(g) + H2O(l) =>
C9H20 + 14 O2(g) = 9 CO2(g) + 10 H2O(l)
Al(OH)3 = AlH + H2O + O2 =>
Al(OH)3 = AlH + H2O + O2
ZnCl2 + Li2SO4 = LiCl + ZnSO4 =>
ZnCl2 + Li2SO4 = 2 LiCl + ZnSO4
SiO2 + H2 = SiH4 + O2 =>
SiO2 + 2 H2 = SiH4 + O2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
CUSO4(aq) + NH3(aq) = [CU(NH3)4]SO4(aq) =>
CUSO4(aq) + 4 NH3(aq) = [CU(NH3)4]SO4(aq)
SiO2 + H2 = SiH4 + H2O =>
SiO2 + 4 H2 = SiH4 + 2 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Co + Br2 = CoBr3 =>
2 Co + 3 Br2 = 2 CoBr3
C5H10O + Cl2 = C5H9OCl + HCl =>
C5H10O + Cl2 = C5H9OCl + HCl
ZnCl2 + Cd = CdCl2 + Zn =>
ZnCl2 + Cd = CdCl2 + Zn
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
Sr2P2O7 + Na2CO3 = Sr2CO3 + Na2P2O7 =>
Sr2P2O7 + Na2CO3 = Sr2CO3 + Na2P2O7
Zn + HNO3 + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
4 Zn + HNO3 + 8 NaOH + 5 H2O = 4 Na2[Zn(OH)4] + NH3
KI + K2Cr2O7 + H2O = Cr2O3 + KOH + I2 =>
6 KI + K2Cr2O7 + 4 H2O = Cr2O3 + 8 KOH + 3 I2
C16H32O2(aq) + O2 = CO2(g) + H2O(l) =>
C16H32O2(aq) + 23 O2 = 16 CO2(g) + 16 H2O(l)
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NH3(aq) + CuSO4(aq) = Cu(NH3)4{2+}(aq) + SO4{2-}(aq) =>
4 NH3(aq) + CuSO4(aq) = Cu(NH3)4{2+}(aq) + SO4{2-}(aq)
V(OH)5 + NaOH = Na3VO4 + H2O =>
V(OH)5 + 3 NaOH = Na3VO4 + 4 H2O
Zn(OH)2 + H3PO4 = Zn(H2PO4)2 + H2O =>
Zn(OH)2 + 2 H3PO4 = Zn(H2PO4)2 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn + NO3{-} + H2O = Zn{2+} + NH3 + OH{-} =>
4 Zn + NO3{-} + 6 H2O = 4 Zn{2+} + NH3 + 9 OH{-}
CH4 + CO2 = CH3COOH =>
CH4 + CO2 = CH3COOH
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