| Équations équilibrées la veille |
Na2SiO3(s) + 8 HF(aq) = H2SiF6(aq) + 2 NaF(aq) + 3 H2O
Na2(SO4) + MgBr2 = NaBr + Mg(SO4) =>
Na2(SO4) + MgBr2 = 2 NaBr + Mg(SO4)
H = H202 =>
202 H = H202
Sr + Al2(SO4)3 = Al2 + Sr(SO4)3 =>
Sr + Al2(SO4)3 = Al2 + Sr(SO4)3
(CH3S)2 + Br2 + H2O = CH2SO2Br + HBr =>
(CH3S)2 + 6 Br2 + 4 H2O = 2 CH2SO2Br + 10 HBr
Na + NO3 = NaNO3 =>
Na + NO3 = NaNO3
Cu(NH3)4 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + NH3 + K =>
2 Cu(NH3)4 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + 8 NH3 + 4 K
Ca(OH)2 + H3POa = Ca3(POa)2 + H2O =>
3 Ca(OH)2 + 2 H3POa = Ca3(POa)2 + 6 H2O
NaHCO3 + HNO3 = Na(NO3) + H(HCO3) =>
NaHCO3 + HNO3 = Na(NO3) + H(HCO3)
H{2}{+} = H{2}O =>
H{2}{+} = H{2}O
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
[Cu(NH3)4]Cl2 + H2SO4 = CuSO4 + NH3 + HCl =>
[Cu(NH3)4]Cl2 + H2SO4 = CuSO4 + 4 NH3 + 2 HCl
FeSO4 + H2O = Fe(OH)2 + H2SO4 =>
FeSO4 + 2 H2O = Fe(OH)2 + H2SO4
Cl2 + KI + H2O = KCl + KClO + HI =>
Cl2 + 2 KI + H2O = KCl + KClO + 2 HI
NH4Cl(aq) + Pb(NO3)2(aq) = NH4(NO3)2 + PbCl =>
NH4Cl(aq) + Pb(NO3)2(aq) = NH4(NO3)2 + PbCl
S + HgO = Hg + SO =>
S + HgO = Hg + SO
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
C3H7OH = C3H6H2O =>
C3H7OH = C3H6H2O
H2ONH3 = NH4OH =>
H2ONH3 = NH4OH
NaCl + K2SiO3 = KCl + Na2SiO3 =>
2 NaCl + K2SiO3 = 2 KCl + Na2SiO3
Hg + H2O = HgH2O =>
Hg + H2O = HgH2O
P4O10 + CH4 = PH3 + CO2 + H2O =>
P4O10 + 4 CH4 = 4 PH3 + 4 CO2 + 2 H2O
KNO2 + BaCl2 = KCl + Ba(NO2)2 =>
2 KNO2 + BaCl2 = 2 KCl + Ba(NO2)2
KCl + Na2Cr2O7 = NaCl + K2Cr2O7 =>
2 KCl + Na2Cr2O7 = 2 NaCl + K2Cr2O7
P3 = P5 =>
5 P3 = 3 P5
NH + O = HNO3 =>
NH + 3 O = HNO3
CuSiO3 + HCl = CuCl2 + H2SiO3 =>
CuSiO3 + 2 HCl = CuCl2 + H2SiO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
S4 + Cl2 = SCl2 =>
S4 + 4 Cl2 = 4 SCl2
CH3{-}CH3 + F2 = CF3{-}CF3 + HF =>
CH3{-}CH3 + 3 F2 = CF3{-}CF3 + 3 HF
Fe{2+} + Mn{7+} + H2O = Fe(OH)3 + MnO2 + H{+} =>
3 Fe{2+} + Mn{7+} + 11 H2O = 3 Fe(OH)3 + MnO2 + 13 H{+}
C2H4O2 + H2O = C2H3O2 + H3O =>
C2H4O2 + H2O = C2H3O2 + H3O
MnO2{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO2{-} + NO2{-} + 6 H{+} = 2 Mn{2+} + NO3{-} + 3 H2O
C16H128 + O2 = CO2 + H2O =>
C16H128 + 48 O2 = 16 CO2 + 64 H2O
SrCl2 + Mg(NO3)2 = Sr(NO3)2 + MgCl2 =>
SrCl2 + Mg(NO3)2 = Sr(NO3)2 + MgCl2
Pb(NO3)2(aq) + KBr(aq) = PbBr2 + KNO3 =>
Pb(NO3)2(aq) + 2 KBr(aq) = PbBr2 + 2 KNO3
KBr + KMnO4 + H2SO4 = HBrO4 + MnSO4 + K2SO4 + H2O =>
10 KBr + 16 KMnO4 + 29 H2SO4 = 10 HBrO4 + 16 MnSO4 + 13 K2SO4 + 24 H2O
HO2 + PbS = PbSO4 + H2O =>
8 HO2 + 3 PbS = 3 PbSO4 + 4 H2O
C6H8O7 + H2O = C6H7O7 + H3O =>
C6H8O7 + H2O = C6H7O7 + H3O
LiOH + N2O = LiO + N2OH =>
LiOH + N2O = LiO + N2OH
NH2O3 + HCl = NOCl + H2O + Cl =>
NH2O3 + 2 HCl = NOCl + 2 H2O + Cl
AsO2{-} + Zn + H{+} = AsH3 + Zn{+2} + H2O =>
AsO2{-} + 3 Zn + 7 H{+} = AsH3 + 3 Zn{+2} + 2 H2O
MnO2 + NH4Cl + {-} = Cl{-} + Mn2O3 + NH3 + H2O =>
2 MnO2 + 2 NH4Cl + 2e = 2 Cl{-} + Mn2O3 + 2 NH3 + H2O
Be + H2O + NaOH = Na2[Be(OH)4] + H2 =>
Be + 2 H2O + 2 NaOH = Na2[Be(OH)4] + H2
NaNO2 + POCl3 = NOCl + Na3PO4 =>
3 NaNO2 + POCl3 = 3 NOCl + Na3PO4
H{+} + Cr2O7{-2} + Cl{-} = Cr{+3} + Cl2 + H2O =>
14 H{+} + Cr2O7{-2} + 6 Cl{-} = 2 Cr{+3} + 3 Cl2 + 7 H2O
Al(OH)3 + KOH = K3[Al(OH)6] =>
Al(OH)3 + 3 KOH = K3[Al(OH)6]
Ba(OH)2 + Zn = Ba + Zn(OH)2 =>
Ba(OH)2 + Zn = Ba + Zn(OH)2
CuSO4 + Na2O = CuO + Na2SO4 =>
CuSO4 + Na2O = CuO + Na2SO4
MgSiO3 + MgAl2O4 = Mg2SiO4 + Mg3Al2Si3O12 =>
4 MgSiO3 + MgAl2O4 = Mg2SiO4 + Mg3Al2Si3O12
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