| Équations équilibrées la veille |
2 KS = K2S2
K2SO4 + HNO3 = H2SO4 + KNO3 =>
K2SO4 + 2 HNO3 = H2SO4 + 2 KNO3
Fe(NO3)3 + (NH4)2C2O4 = NH4NO3 + Fe2(C2O4)3 =>
2 Fe(NO3)3 + 3(NH4)2C2O4 = 6 NH4NO3 + Fe2(C2O4)3
Cr(NO3)2 + NiBr2 = CrBr2 + Ni(NO3)2 =>
Cr(NO3)2 + NiBr2 = CrBr2 + Ni(NO3)2
HOOCC6H4OOK + NaOH = NaOOCC6H4OOK + H2O =>
HOOCC6H4OOK + NaOH = NaOOCC6H4OOK + H2O
(C4H10) + O2 = CO2 + H2O =>
2(C4H10) + 13 O2 = 8 CO2 + 10 H2O
KCl + Cl2 = KCl5 =>
KCl + 2 Cl2 = KCl5
(CH3COO)2Pb(aq) + (NH4)2SO4(aq) = CH3COONH4(aq) + PbSO4(s) =>
(CH3COO)2Pb(aq) + (NH4)2SO4(aq) = 2 CH3COONH4(aq) + PbSO4(s)
Fe + Li3PO4 = FePO4 + Li =>
Fe + Li3PO4 = FePO4 + 3 Li
Ti + C2F4 + O2 = TiF4 + CO =>
Ti + C2F4 + O2 = TiF4 + 2 CO
I2 + Na2S2O3 + H2SO4 = NaI + Na2S4O7 + H2O =>
2 I2 + 5 Na2S2O3 + 2 H2SO4 = 4 NaI + 3 Na2S4O7 + 2 H2O
HCl + MnO2 = Cl2 + H2O + MnCl2 =>
4 HCl + MnO2 = Cl2 + 2 H2O + MnCl2
Fe + H2SO4 = (Fe3)2SO4 + SO2 + H2O =>
6 Fe + 2 H2SO4 = (Fe3)2SO4 + SO2 + 2 H2O
Cr2O3 + Mg = MgO + Cr(l) =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr(l)
Co(C2H3O2)3 + K = KC2H3O2 + Co =>
Co(C2H3O2)3 + 3 K = 3 KC2H3O2 + Co
CNa2O3 + HCl = NaCl + CO2 + H2O =>
CNa2O3 + 2 HCl = 2 NaCl + CO2 + H2O
Al(SO4)3 + H2O = Al(OH)3 + H2SO4 + O2 =>
4 Al(SO4)3 + 18 H2O = 4 Al(OH)3 + 12 H2SO4 + 3 O2
Pb(OH)2 + H2SO4 = Pb(SO4)2 + H2(OH) =>
Pb(OH)2 + 2 H2SO4 = Pb(SO4)2 + 2 H2(OH)
Ag(NO3)3 + Na2(CrO4) = Ag2(CrO4)3 + Na(NO3) =>
2 Ag(NO3)3 + 3 Na2(CrO4) = Ag2(CrO4)3 + 6 Na(NO3)
KF(ac) + NiCl2(ac) = KNiF3(ac) + KCl(ac) =>
3 KF(ac) + NiCl2(ac) = KNiF3(ac) + 2 KCl(ac)
K2Cr2O7 + K2S + HCl = S + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 K2S + 14 HCl = 3 S + 2 CrCl3 + 8 KCl + 7 H2O
Pb(s) + Ni((NO3)2)(aq) = Ni + Pb(NO3)2 =>
Pb(s) + Ni((NO3)2)(aq) = Ni + Pb(NO3)2
Cl2 + Sr(OH)2 = Sr(ClO)2 + SrCl2 + H2O =>
2 Cl2 + 2 Sr(OH)2 = Sr(ClO)2 + SrCl2 + 2 H2O
K2 + H2O = K2(OH) + H2 =>
2 K2 + 2 H2O = 2 K2(OH) + H2
S + NaOH = Na2S + Na2SO4 + H2O =>
4 S + 8 NaOH = 3 Na2S + Na2SO4 + 4 H2O
CrCl2 + HClO = Cr2O3 + Cl2 + HCl =>
2 CrCl2 + 3 HClO = Cr2O3 + 2 Cl2 + 3 HCl
Al + CO2 = Al2O3 + C =>
4 Al + 3 CO2 = 2 Al2O3 + 3 C
Mg(OH)2 + (NH4)3 + PO4 = Mg3(PO4)2 + NH3 + H2O =>
3 Mg(OH)2 + 2(NH4)3 + 2 PO4 = Mg3(PO4)2 + 6 NH3 + 6 H2O
Au + H2S + O2(g) = Au2S + H2O =>
4 Au + 2 H2S + O2(g) = 2 Au2S + 2 H2O
C2H6 + Br2 = C2H4Br2 + HBr =>
C2H6 + 2 Br2 = C2H4Br2 + 2 HBr
C2H5OH + KMnO4 + KOH = C2H3O2K + K2MnO4 + H2O =>
C2H5OH + 4 KMnO4 + 5 KOH = C2H3O2K + 4 K2MnO4 + 4 H2O
Na2CrO4NaNO2H2SO4 = NaNO3Na2SO4H2CrO3 =>
Na2CrO4NaNO2H2SO4 = NaNO3Na2SO4H2CrO3
CuCO3 + HF = CuF2 + H2CO3 =>
CuCO3 + 2 HF = CuF2 + H2CO3
IH = HI =>
IH = HI
Al2(SO4)3 + Li(NO3) = Al(NO3)3 + Li2(SO4) =>
Al2(SO4)3 + 6 Li(NO3) = 2 Al(NO3)3 + 3 Li2(SO4)
I2 + Na2S2O3 + H2SO4 = NaI + Na2S4O7 + H2O =>
2 I2 + 5 Na2S2O3 + 2 H2SO4 = 4 NaI + 3 Na2S4O7 + 2 H2O
KHSO3 + HNO3 = KNO3 + SO2 + H2O =>
KHSO3 + HNO3 = KNO3 + SO2 + H2O
Bi(OH)3 + HNO3 = Bi(NO3)3 + H2O =>
Bi(OH)3 + 3 HNO3 = Bi(NO3)3 + 3 H2O
ZnCl2(aq) + Na2CO3(aq) = ZnCO3(s) + NaCl(aq) =>
ZnCl2(aq) + Na2CO3(aq) = ZnCO3(s) + 2 NaCl(aq)
FeCl2 + O2 = FeCl3 + Fe2O3 =>
12 FeCl2 + 3 O2 = 8 FeCl3 + 2 Fe2O3
MnO4{+}{-} + SO3{2}{-} + H{+}{+} = SO4{2}{-} + Mn{2}{+} + H2O =>
2 MnO4{+}{-} + 7 SO3{2}{-} + 2 H{+}{+} = 7 SO4{2}{-} + 2 Mn{2}{+} + H2O
Cs + H2SO4 = CsO + H2S =>
4 Cs + H2SO4 = 4 CsO + H2S
IH = HI =>
IH = HI
HI + Na2S = HS + Na2I =>
HI + Na2S = HS + Na2I
H2SO4 + SO2 = SO3 + H2 =>
H2SO4 + SO2 = 2 SO3 + H2
CH3CH2Br + AgNO3 = CH3CH2NO3 + AgBr =>
CH3CH2Br + AgNO3 = CH3CH2NO3 + AgBr
C249H393O163N029 + O2 = CO2 + H2O + NH3 =>
C249H393O163N029 + 244 O2 = 249 CO2 + 153 H2O + 29 NH3
(Cr2O7)2{-} + (SO3)2{-} + H{+} = Cr3{+} + (SO4)2{-} + H2O =>
12(Cr2O7)2{-} + 77(SO3)2{-} + 28 H{+} = 16 Cr3{+} + 77(SO4)2{-} + 14 H2O
Al3 + Fe2O3 = Al2O3 + Fe =>
2 Al3 + 3 Fe2O3 = 3 Al2O3 + 6 Fe
Ba(NO3)2 + Li3PO4 = Ba3(PO4)2 + LiNO3 =>
3 Ba(NO3)2 + 2 Li3PO4 = Ba3(PO4)2 + 6 LiNO3
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Équations équilibrées sur11/23/24
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