| Équations équilibrées la veille |
2 Na + 2 H2O = H2 + 2 NaOH
C3H6O2 + KOH = C2H5OH + HCOOK =>
C3H6O2 + KOH = C2H5OH + HCOOK
CH4 + N2O4 = H2O + CO2 + N2 =>
CH4 + N2O4 = 2 H2O + CO2 + N2
Mg + Br2 = Mg(Br2)2 =>
Mg + 2 Br2 = Mg(Br2)2
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
Na2S2O3(s) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + SO2(g) =>
Na2S2O3(s) + 3 H2SO4(aq) = Na2SO4(aq) + 3 H2O(l) + 4 SO2(g)
Cu + Fe(NO3)3 = Cu(NO3)2 + Fe =>
3 Cu + 2 Fe(NO3)3 = 3 Cu(NO3)2 + 2 Fe
CH3CH2CH2CH2OH + KMnO4 = CH3CH2CH2COOK + KOH + MnO2 + H2O =>
3 CH3CH2CH2CH2OH + 4 KMnO4 = 3 CH3CH2CH2COOK + KOH + 4 MnO2 + 4 H2O
FeO + Al = Al3O3 + Fe =>
3 FeO + 3 Al = Al3O3 + 3 Fe
Cl2(g) + KBr(aq) = ClKBr(l) =>
Cl2(g) + 2 KBr(aq) = 2 ClKBr(l)
CoN3 + Ca = CaN + Co =>
CoN3 + 3 Ca = 3 CaN + Co
Ca4Fe55Mg138Al5Si197O600 + H{+} + O200 = Fe200O300 + Si100O200 + Al200Si200O500(OH)400 + Mg{2+} + Ca{2+} + H200O100 =>
200 Ca4Fe55Mg138Al5Si197O600 + 56800 H{+} + 26 O200 = 55 Fe200O300 + 384 Si100O200 + 5 Al200Si200O500(OH)400 + 27600 Mg{2+} + 800 Ca{2+} + 274 H200O100
CU + Br2 = CUBr2 =>
CU + Br2 = CUBr2
Na[Cr(OH)4] = Cr(OH)3 + NaOH =>
Na[Cr(OH)4] = Cr(OH)3 + NaOH
KHSO4 + BaCl2 = BaSO4 + K2SO4 + HCl =>
2 KHSO4 + BaCl2 = BaSO4 + K2SO4 + 2 HCl
KI(aq) + Pb(CH3COO)2(aq) = K(CH3COO)(aq) + PbI2(aq) =>
2 KI(aq) + Pb(CH3COO)2(aq) = 2 K(CH3COO)(aq) + PbI2(aq)
Cr(NO3)2(H2O)6 + Co(NO3)2(H2O)6 + Fe(NO3)3(H2O)6 + C6H8O7 = CoCrFeO4 + N2 + H2O + CO2 =>
18 Cr(NO3)2(H2O)6 + 18 Co(NO3)2(H2O)6 + 18 Fe(NO3)3(H2O)6 + 34 C6H8O7 = 18 CoCrFeO4 + 63 N2 + 460 H2O + 204 CO2
TiO2*5H2O + HCl = [Ti(OH)2(H2O)4]Cl2 + H2O =>
TiO2*5H2O + 2 HCl = [Ti(OH)2(H2O)4]Cl2 + H2O
Bi2Br3 + (NH4)S = Bi2S3 + NH4Br =>
Bi2Br3 + 3(NH4)S = Bi2S3 + 3 NH4Br
Al2S3 + Fe2O = Fe2S + Al2O3 =>
Al2S3 + 3 Fe2O = 3 Fe2S + Al2O3
Na2S + PbSO4 = PbS + Na2SO4 =>
Na2S + PbSO4 = PbS + Na2SO4
RCHOHR + HCl = RCHClR + H2O =>
RCHOHR + HCl = RCHClR + H2O
Mg(NO3) + NaC2H3O2 = Mg(C2H3O2) + NaNO3 =>
Mg(NO3) + NaC2H3O2 = Mg(C2H3O2) + NaNO3
CH3NO2 + Fe + H2O = CH3NH2 + Fe3O4 =>
4 CH3NO2 + 9 Fe + 4 H2O = 4 CH3NH2 + 3 Fe3O4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Al2(SO4)2 + Ca(OH)2 = Al2Ca + (SO4)2(OH)2 =>
Al2(SO4)2 + Ca(OH)2 = Al2Ca + (SO4)2(OH)2
C12H22(s) + O2(g) = CO2(g) + H2O(l) =>
2 C12H22(s) + 35 O2(g) = 24 CO2(g) + 22 H2O(l)
Pb + HgNO3 = Hg + Pb(NO3)2 =>
Pb + 2 HgNO3 = 2 Hg + Pb(NO3)2
Au2S3 + H2 = Au3 + H2S =>
3 Au2S3 + 9 H2 = 2 Au3 + 9 H2S
Ca(OH)2 + Fe2(SO4)3 = Ca(SO4)3 + FeOH =>
Ca(OH)2 + Fe2(SO4)3 = Ca(SO4)3 + 2 FeOH
HSO3{-} + IO3{-} + OH{-} = I2 + SO4{2-} + H2O =>
5 HSO3{-} + 2 IO3{-} + 3 OH{-} = I2 + 5 SO4{2-} + 4 H2O
Mg + Fe(Cl)3 = MgCl2 + Fe =>
3 Mg + 2 Fe(Cl)3 = 3 MgCl2 + 2 Fe
HgO + HCl = HgCl2 + H2O =>
HgO + 2 HCl = HgCl2 + H2O
Mn + NaOH = MnO + NaH =>
Mn + NaOH = MnO + NaH
NaBr + MnO2 = Na2MnO2 + Br2 =>
2 NaBr + MnO2 = Na2MnO2 + Br2
CsO2 + HCl = CsCl + Cl2 + H2O =>
2 CsO2 + 8 HCl = 2 CsCl + 3 Cl2 + 4 H2O
F2 + SOH = SF4 + O2 + H2O =>
8 F2 + 4 SOH = 4 SF4 + O2 + 2 H2O
Al2(C2O4)3 + Li = Li3Al + C2O4 =>
Al2(C2O4)3 + 6 Li = 2 Li3Al + 3 C2O4
C2H4O + KMnO4 + H2O = CH3COOH + KOH + MnO2 =>
3 C2H4O + 2 KMnO4 + H2O = 3 CH3COOH + 2 KOH + 2 MnO2
SnSO4 = SnSO3 + O2 =>
2 SnSO4 = 2 SnSO3 + O2
FeCl2(s) + O2(g) = FeCl3(s) + Fe2O3(s) =>
12 FeCl2(s) + 3 O2(g) = 8 FeCl3(s) + 2 Fe2O3(s)
K2Cr2O7 = K2CrO4 + Cr2O3 + O2 =>
4 K2Cr2O7 = 4 K2CrO4 + 2 Cr2O3 + 3 O2
Cr(NO3) + H2O2 + KOH = K2CrO4 + KNO3 + H2O =>
2 Cr(NO3) + 5 H2O2 + 6 KOH = 2 K2CrO4 + 2 KNO3 + 8 H2O
ZnI2 + K2CO3 = ZnCO3 + KI =>
ZnI2 + K2CO3 = ZnCO3 + 2 KI
CH3CH2CH3 + oxygen = carbondioxide + water =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
Cu + Hg3(PO4)2 = Hg + Cu3PO4 =>
6 Cu + Hg3(PO4)2 = 3 Hg + 2 Cu3PO4
Cl2 + KOH = KCl + KClO3 + HOH =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 HOH
FeI2 + I2 + KOH = Fe2O3 + KI + H2O =>
2 FeI2 + I2 + 6 KOH = Fe2O3 + 6 KI + 3 H2O
Fe2O3 + SiO2 = O2 + Fe2SiO4 =>
2 Fe2O3 + 2 SiO2 = O2 + 2 Fe2SiO4
Fe(s) + CuCl2(s) = FeCl2(aq) + Cu(s) =>
Fe(s) + CuCl2(s) = FeCl2(aq) + Cu(s)
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Équations équilibrées sur01/28/25
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