| Équations équilibrées la veille |
2 C2H6 + Br2 = 2 C2H5 + 2 HBr
NaN3(S) = N2(g) + Na(S) =>
2 NaN3(S) = 3 N2(g) + 2 Na(S)
NaOH + Bi(OH)3 + SnCl2 = Bi + Na2[Sn(OH)6] + NaCl =>
12 NaOH + 2 Bi(OH)3 + 3 SnCl2 = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaCl
NaOH + NH4Cl = NaCl + NH3 + H2O =>
NaOH + NH4Cl = NaCl + NH3 + H2O
CaSO4 = CaO + SO2 + O =>
CaSO4 = CaO + SO2 + O
Ag + CaCl2 = Ag2Cl + Ca =>
4 Ag + CaCl2 = 2 Ag2Cl + Ca
CH3OOH + NaOH = H2O + CH3COO + Na =>
2 CH3OOH + NaOH = 3 H2O + CH3COO + Na
CaCo3 + LiF = CaF2 + Li2Co3 =>
CaCo3 + 2 LiF = CaF2 + Li2Co3
KMnO4 + CH3COONa + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + CO2 + H2O =>
16 KMnO4 + 10 CH3COONa + 29 H2SO4 = 16 MnSO4 + 8 K2SO4 + 5 Na2SO4 + 20 CO2 + 44 H2O
CO2 + H2O2 = CO7 + H2O =>
CO2 + 5 H2O2 = CO7 + 5 H2O
Li + H2O = lithiumhydroxide + hydrogen =>
2 Li + 2 H2O = 2 LiOH + H2
Fe + NaOH = Fe(OH)2 + Na =>
Fe + 2 NaOH = Fe(OH)2 + 2 Na
Br2 + MgI2 = I2 + MgBr2 =>
Br2 + MgI2 = I2 + MgBr2
C4H9OH + [O] = C4H8O + H2O =>
C4H9OH + [O] = C4H8O + H2O
Sn2{+} + Fe3{+} = Sn + Fe2{+} =>
Sn2{+} + 2 Fe3{+} = 2 Sn + 3 Fe2{+}
H3 + NaOH = H2O + Na2 =>
2 H3 + 6 NaOH = 6 H2O + 3 Na2
Cl2(g) + NaOH(aq) = NaCl(aq) + NaClO3(aq) + H2O(l) =>
3 Cl2(g) + 6 NaOH(aq) = 5 NaCl(aq) + NaClO3(aq) + 3 H2O(l)
MgSO4 + NaOH = SO4Na + MgOH =>
MgSO4 + NaOH = SO4Na + MgOH
KHCO3MgCO3(H2O)4 = KHCO3 + MgCO3(H2O)3 + H2O =>
KHCO3MgCO3(H2O)4 = KHCO3 + MgCO3(H2O)3 + H2O
Cu + MnCl3 = CuCl2 + Mn =>
3 Cu + 2 MnCl3 = 3 CuCl2 + 2 Mn
MgCl2 + HC2H3O2 = Mg(OH)2 + C2H3OCl =>
MgCl2 + 2 HC2H3O2 = Mg(OH)2 + 2 C2H3OCl
KOH + SO2 = K2SO3 + H2O =>
2 KOH + SO2 = K2SO3 + H2O
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
Fe3O4(s) = Fe(s) + O2(g) =>
Fe3O4(s) = 3 Fe(s) + 2 O2(g)
[TiF4(OH)]2{2-} + H2O = [Ti(OH)6]{2-} + H{+} + F{-} =>
[TiF4(OH)]2{2-} + 10 H2O = 2[Ti(OH)6]{2-} + 10 H{+} + 8 F{-}
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
NaOH + H2O3 = NaO3 + H2O =>
4 NaOH + 5 H2O3 = 4 NaO3 + 7 H2O
CuSO4 + KI + NaHSO3 + H2O = CuI + NaHSO4 + KHSO4 =>
2 CuSO4 + 2 KI + NaHSO3 + H2O = 2 CuI + NaHSO4 + 2 KHSO4
KMnO4 + KI + H2SO4 = MnO2 + K2SO4 + I2 + H2O =>
2 KMnO4 + 6 KI + 4 H2SO4 = 2 MnO2 + 4 K2SO4 + 3 I2 + 4 H2O
Ba(OH)2 + Mg(NO3)2 = MgBa + (OH)2(NO3)2 =>
Ba(OH)2 + Mg(NO3)2 = MgBa + (OH)2(NO3)2
KOH + NH4Cl = H2O + KCl + NH3 =>
KOH + NH4Cl = H2O + KCl + NH3
Li3(PO4) + Fe(NO3)3 = Li(NO3) + Fe(PO4) =>
Li3(PO4) + Fe(NO3)3 = 3 Li(NO3) + Fe(PO4)
Fe + Cu(OH)2 + H2O = Cu[Fe(OH)3] + H2 =>
2 Fe + 2 Cu(OH)2 + 2 H2O = 2 Cu[Fe(OH)3] + H2
ClCH2CO2H + H2O = H3O + ClCH2CO2 =>
ClCH2CO2H + H2O = H3O + ClCH2CO2
K2Cr2O7 + FeBr3 + H2SO4 = Cr2(SO4)3 + K2SO4 + FeSO4 + Br2 + H2O =>
2 K2Cr2O7 + 6 FeBr3 + 14 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 6 FeSO4 + 9 Br2 + 14 H2O
CH2O + Ag2O = CH2O2 + Ag =>
CH2O + Ag2O = CH2O2 + 2 Ag
CrO2 = Cr2 + O2 =>
2 CrO2 = Cr2 + 2 O2
NaClO4 + C12H22O11 = CO + H2O + NaCl =>
3 NaClO4 + C12H22O11 = 12 CO + 11 H2O + 3 NaCl
Bi + Ba(OH)3 = BaBi + OH =>
Bi + Ba(OH)3 = BaBi + 3 OH
MnO(OH)2 + KJ + HCl = MnCl2 + J2 + H2O + KCl =>
MnO(OH)2 + 2 KJ + 4 HCl = MnCl2 + J2 + 3 H2O + 2 KCl
HNO3 + Ba = Ba(NO3)2 + H2 =>
2 HNO3 + Ba = Ba(NO3)2 + H2
Mn(CH3)2 + O2 = CO2 + H2O + MnO2 =>
2 Mn(CH3)2 + 9 O2 = 4 CO2 + 6 H2O + 2 MnO2
NH4 + BaCl2 = NCl2 + BaH4 =>
NH4 + BaCl2 = NCl2 + BaH4
MgF2 + Cl2 = MgCl2 + F2 =>
MgF2 + Cl2 = MgCl2 + F2
HCl(g) + O2(g) = Cl2(g) + H2O(g) =>
4 HCl(g) + O2(g) = 2 Cl2(g) + 2 H2O(g)
Cu(NO3)2 + NaOH = CuOH + Na(NO3)2 =>
Cu(NO3)2 + NaOH = CuOH + Na(NO3)2
BrO3{-} + Sn + H{+} = Br{-} + Sn{2+} + H2O =>
BrO3{-} + 3 Sn + 6 H{+} = Br{-} + 3 Sn{2+} + 3 H2O
Ca3(PO4)2 + (NH4)2S = Ca2S2 + (NH4)3PO4 =>
2 Ca3(PO4)2 + 6(NH4)2S = 3 Ca2S2 + 4(NH4)3PO4
ZnCl2 + Na2SiO4 = ZnSiO4 + NaCl =>
ZnCl2 + Na2SiO4 = ZnSiO4 + 2 NaCl
(NH4)2S2O8 + KI + Na2S2O3 = (NH4)2S2O3 + NaI + KSO4 =>
(NH4)2S2O8 + 2 KI + Na2S2O3 = (NH4)2S2O3 + 2 NaI + 2 KSO4
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