| Équations équilibrées la veille |
Ca + 2 H2O = Ca(OH)2 + H2
Cr(NO3)3 + Rb2O = Cr2O3 + RbNO3 =>
2 Cr(NO3)3 + 3 Rb2O = Cr2O3 + 6 RbNO3
BaCl2 + C = Ba2C + Cl =>
2 BaCl2 + C = Ba2C + 4 Cl
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
C2H2 + HCl = CH2Cl =>
C2H2 + 2 HCl = 2 CH2Cl
Cu + FeCI2 = CuCI2 + Fe =>
Cu + FeCI2 = CuCI2 + Fe
C3H8O2(l) + O2(g) = CO2(g) + H2O(g) =>
C3H8O2(l) + 4 O2(g) = 3 CO2(g) + 4 H2O(g)
C5H9S + O2 = CO2 + H2O + SO2 =>
4 C5H9S + 33 O2 = 20 CO2 + 18 H2O + 4 SO2
NH4NO2(aq) = N2(g) + H2O =>
NH4NO2(aq) = N2(g) + 2 H2O
Cr(OH)3 + NH3 = [Cr(NH3)6](OH)3 =>
Cr(OH)3 + 6 NH3 = [Cr(NH3)6](OH)3
Zn + O2 = Zn2O =>
4 Zn + O2 = 2 Zn2O
Fe(OH)2 + KNO2 + H2O = Fe(OH)3 + NH3 + KOH =>
6 Fe(OH)2 + KNO2 + 5 H2O = 6 Fe(OH)3 + NH3 + KOH
CaO + H2SO4 = H2O + CaSO4 =>
CaO + H2SO4 = H2O + CaSO4
Cu + HSe = CuSe + H2 =>
2 Cu + 2 HSe = 2 CuSe + H2
Co(OH)2 + NH4OH = [Co(NH3)4](OH)2 + H2O =>
Co(OH)2 + 4 NH4OH = [Co(NH3)4](OH)2 + 4 H2O
IO3{-} + I{-} + H{+} = I3 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 2 I3 + 3 H2O
C4H8 + KMnO4 + H2SO4 + H2O = C4H8(OH)2 + K2SO4 + MnSO4 =>
5 C4H8 + 2 KMnO4 + 3 H2SO4 + 2 H2O = 5 C4H8(OH)2 + K2SO4 + 2 MnSO4
BI3 = B + I2 =>
2 BI3 = 2 B + 3 I2
Fe23O4 + H2 = Fe + H2O =>
Fe23O4 + 4 H2 = 23 Fe + 4 H2O
CuSO4 + Au(NO3)3 = Cu(NO3)2 + Au2(SO4)3 =>
3 CuSO4 + 2 Au(NO3)3 = 3 Cu(NO3)2 + Au2(SO4)3
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + K =>
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + K
(MgOH)2CO3 + CO2 = MgCO3 + H2O =>
(MgOH)2CO3 + CO2 = 2 MgCO3 + H2O
CH3NH2 + O = CO2 + H2O + N2 =>
2 CH3NH2 + 9 O = 2 CO2 + 5 H2O + N2
(Cu(NH3)4(H2O)2) + H2SO4 = CuSO4 + (NH4)2SO4 + H3O =>
(Cu(NH3)4(H2O)2) + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H3O
KCrO2 + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
2 KCrO2 + 3 Cl2 + 6 KOH = K2Cr2O7 + 6 KCl + 3 H2O
Al2(CO3)3 + Ca(OH)2 = Al(OH)3 + CaCO3 =>
Al2(CO3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCO3
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l)
C6H14 + O2 = CO + C2H6 =>
3 C6H14 + 2 O2 = 4 CO + 7 C2H6
Cu + H2O2 + CH3COOH = Cu(CH3COO)2 + H2O =>
Cu + H2O2 + 2 CH3COOH = Cu(CH3COO)2 + 2 H2O
CuSO4Fe = FeSO4Cu =>
CuSO4Fe = FeSO4Cu
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
WF6 + H2O = WO3 + HF =>
WF6 + 3 H2O = WO3 + 6 HF
MnCl2 + K2CO3 = MnCO3 + KCl =>
MnCl2 + K2CO3 = MnCO3 + 2 KCl
Ag2O3 + Cr(OH)3 + OH{-} = AgO + CrO4{2-} + H2O =>
3 Ag2O3 + 2 Cr(OH)3 + 4 OH{-} = 6 AgO + 2 CrO4{2-} + 5 H2O
HCl + KHCO3 = KCl(aq) + CO2(g) + H2O(l) =>
HCl + KHCO3 = KCl(aq) + CO2(g) + H2O(l)
Cr(OH)3 + KOH + O2 + H2O = K[Cr(OH)6] =>
2 Cr(OH)3 + 2 KOH + O2 + 2 H2O = 2 K[Cr(OH)6]
C7H5N3O6(s) = N2(g) + CO(g) + H2O(g) + C2(s) =>
4 C7H5N3O6(s) = 6 N2(g) + 14 CO(g) + 10 H2O(g) + 7 C2(s)
Fe2S3(s) + H2O(l) + O2(g) = Fe(OH)3(aq) + S(s) =>
2 Fe2S3(s) + 6 H2O(l) + 3 O2(g) = 4 Fe(OH)3(aq) + 6 S(s)
Cu + MnSO4 = CuSO4 + Mn =>
Cu + MnSO4 = CuSO4 + Mn
CH3CHO + Cu = CH3CHOCu =>
CH3CHO + Cu = CH3CHOCu
Cr2O3 + H2O2 = Cr2O7 + H2O =>
Cr2O3 + 4 H2O2 = Cr2O7 + 4 H2O
Fe2{+} + Sn = Fe + Sn2{+} =>
Fe2{+} + 2 Sn = 2 Fe + Sn2{+}
CoCO3 + HAcAc + H2O2 = Co(AcAc)3 + CO2 + H2O =>
2 CoCO3 + 6 HAcAc + H2O2 = 2 Co(AcAc)3 + 2 CO2 + 4 H2O
CuSO4 + NaCl + SO2 + H2O = CuCl + NaHSO4 + H2SO4 =>
2 CuSO4 + 2 NaCl + SO2 + 2 H2O = 2 CuCl + 2 NaHSO4 + H2SO4
AgNO3 + CsBr2 = AgBr2 + CsNO3 =>
AgNO3 + CsBr2 = AgBr2 + CsNO3
CH3OC4H9 + O2 = CO2 + H2O =>
2 CH3OC4H9 + 15 O2 = 10 CO2 + 12 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
FeCl3 + NH(OH)4 = Fe(OH)3 + NHCl4 =>
4 FeCl3 + 3 NH(OH)4 = 4 Fe(OH)3 + 3 NHCl4
P4O10(s) + H2O(s) = H3PO4(s) =>
P4O10(s) + 6 H2O(s) = 4 H3PO4(s)
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