| Équations équilibrées la veille |
Na2B4O7 + 7 H2O = 2 NaOH + 4 H3BO3
Zn{2+} + Cr(OH)3 + OH{-} = Zn + CrO4{-} + H2O =>
2 Zn{2+} + Cr(OH)3 + 5 OH{-} = 2 Zn + CrO4{-} + 4 H2O
AlCl2 + Na2CO3 = Al(CO3) + NaCl =>
AlCl2 + Na2CO3 = Al(CO3) + 2 NaCl
(c)H3PO4(aq) + NaOH(aq) = Na2HPO4(aq) + H2O(l) =>
(c)H3PO4(aq) + 2 NaOH(aq) = Na2HPO4(aq) + 2 H2O(l)
CuSO4 + Zn(CH3CO2)2 = Cu(CH3CO2)2 + ZnSO4 =>
CuSO4 + Zn(CH3CO2)2 = Cu(CH3CO2)2 + ZnSO4
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2SO4(ac) + Pb(NO3)2(ac) = PbSO4(s) + NaNO3(ac) =>
Na2SO4(ac) + Pb(NO3)2(ac) = PbSO4(s) + 2 NaNO3(ac)
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
C6H5Cl + H2O = C6H5OH + HCl =>
C6H5Cl + H2O = C6H5OH + HCl
Cu(SO3)2 + KOH = Cu(OH)2 + KSO3 =>
Cu(SO3)2 + 2 KOH = Cu(OH)2 + 2 KSO3
Zn(ClO3)2 + KOH = Zn(OH)2 + KClO3 =>
Zn(ClO3)2 + 2 KOH = Zn(OH)2 + 2 KClO3
FePO4 + Na = Na3PO4 + Fe =>
FePO4 + 3 Na = Na3PO4 + Fe
ZnBr2 + NaMnO4 + NaOH = Br2 + Na2MnO4 + Zn(OH)2 =>
ZnBr2 + 2 NaMnO4 + 2 NaOH = Br2 + 2 Na2MnO4 + Zn(OH)2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
K2Br2O3 = KBr + O =>
K2Br2O3 = 2 KBr + 3 O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HClO4 + Na2Cr2O7 + HBr = NaClO4 + Cr(ClO4)3 + Br2 + H2O =>
8 HClO4 + Na2Cr2O7 + 6 HBr = 2 NaClO4 + 2 Cr(ClO4)3 + 3 Br2 + 7 H2O
Cl2 + KOH = KCl + KClO2 + H2O =>
2 Cl2 + 4 KOH = 3 KCl + KClO2 + 2 H2O
Cr(OH)3 + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 OH{-} = 2 CrO4{2-} + 8 H2O
NH2OH + FeCl2 + HCl = NH4Cl + FeCl3 + H2O =>
NH2OH + 2 FeCl2 + 3 HCl = NH4Cl + 2 FeCl3 + H2O
Na2CO3 = Na + O2 + CO2 =>
2 Na2CO3 = 4 Na + O2 + 2 CO2
C6H5CH2CH2CH2Cl + CaI2 = C6H5CH2CH2CH2I + CaCl2 =>
2 C6H5CH2CH2CH2Cl + CaI2 = 2 C6H5CH2CH2CH2I + CaCl2
UO2(SO4)2 + TiCl3 + HCl = U(SO4)2 + TiCl4 + H2O =>
UO2(SO4)2 + 4 TiCl3 + 4 HCl = U(SO4)2 + 4 TiCl4 + 2 H2O
Pb + HBrO = Pb(BrO)4 + H2 =>
Pb + 4 HBrO = Pb(BrO)4 + 2 H2
Li + SrCl2 = LiCl2 + Sr =>
Li + SrCl2 = LiCl2 + Sr
CaCO3 + Kl = CaKl + CO3 =>
CaCO3 + Kl = CaKl + CO3
Na2O + HNO3 = Na2NO3 + H2O + O2 =>
4 Na2O + 4 HNO3 = 4 Na2NO3 + 2 H2O + O2
Ag2SO4 + NH4C2H3O2 = NH4SO4 + Ag2C2H3O2 =>
Ag2SO4 + NH4C2H3O2 = NH4SO4 + Ag2C2H3O2
C2H12(l) + O2(g) = CO2 + H20(l) =>
5 C2H12(l) + 10 O2(g) = 10 CO2 + 3 H20(l)
Hg + Na2S = HgS + Na =>
Hg + Na2S = HgS + 2 Na
(NH4)2 + HCl = NH4Cl + H2 =>
(NH4)2 + 2 HCl = 2 NH4Cl + H2
Mn(OH)2 + OH = Mn3O4 + H2O =>
3 Mn(OH)2 + 2 OH = Mn3O4 + 4 H2O
Li + H2CO3 = Li2CO2 + H2O =>
2 Li + H2CO3 = Li2CO2 + H2O
S8 + H{+} + NO3{-} = S4O6{2-} + NO2 + H2O =>
S8 + 16 H{+} + 20 NO3{-} = 2 S4O6{2-} + 20 NO2 + 8 H2O
RbBr + MnO2 + H2SO4 = Br2 + MnSO4 + Rb2SO4 + H2O =>
2 RbBr + MnO2 + 2 H2SO4 = Br2 + MnSO4 + Rb2SO4 + 2 H2O
KOH + BeO = K2O + Be(OH)2 =>
2 KOH + BeO = K2O + Be(OH)2
Fe{+2} + S{-2} = FeS =>
Fe{+2} + S{-2} = FeS
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaBrO + NH4Cl + NaOH = N2 + NaBr + NaCl + H2O =>
3 NaBrO + 2 NH4Cl + 2 NaOH = N2 + 3 NaBr + 2 NaCl + 5 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
NaI + PbO3 + H2SO4 = Na2SO4 + PbSO4 + I2 + H2O =>
4 NaI + PbO3 + 3 H2SO4 = 2 Na2SO4 + PbSO4 + 2 I2 + 3 H2O
KBrO3 + H2S = H2O + S + KBr =>
KBrO3 + 3 H2S = 3 H2O + 3 S + KBr
NH4NO3 + C20H30O2 = CO2 + H2O + N2 =>
53 NH4NO3 + C20H30O2 = 20 CO2 + 121 H2O + 53 N2
Ir(OH)2 + H2NO2 = Ir2(NO2)2 + H2O =>
2 Ir(OH)2 + 2 H2NO2 = Ir2(NO2)2 + 4 H2O
Au + HNO2 = AuNO2 + H2 =>
2 Au + 2 HNO2 = 2 AuNO2 + H2
K2Br2O3 = KBr + O =>
K2Br2O3 = 2 KBr + 3 O
NaOCl + C3H8 = CO2 + NaCl + H2O =>
10 NaOCl + C3H8 = 3 CO2 + 10 NaCl + 4 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
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