| Équations équilibrées la veille |
3 KOH + H3PO4 = K3PO4 + 3 H2O
NH3BCl3 + NaBH4 = NaCl + B3N3H6 + B2H6 + HCl =>
6 NH3BCl3 + 6 NaBH4 = 6 NaCl + 2 B3N3H6 + 3 B2H6 + 12 HCl
H2SiO3 + V(OH)3 = V2(SiO3)3 + H2O =>
3 H2SiO3 + 2 V(OH)3 = V2(SiO3)3 + 6 H2O
HClO3LiOH = LiClO3H2O =>
HClO3LiOH = LiClO3H2O
Al4C3 + Zn(OH)2 = Al(OH)3 + Zn2C =>
Al4C3 + 6 Zn(OH)2 = 4 Al(OH)3 + 3 Zn2C
CaAl2Si2O8 + KAlSi3O8 + HCl = KAl3Si3O10(OH)2 + CaCl2 + SiO2 =>
CaAl2Si2O8 + KAlSi3O8 + 2 HCl = KAl3Si3O10(OH)2 + CaCl2 + 2 SiO2
Mn(OH)2 + H2SO4 = Mn(SO4) + H2O =>
Mn(OH)2 + H2SO4 = Mn(SO4) + 2 H2O
(NH4)2CO3 + HCl = CO2 + H2O + NH4Cl =>
(NH4)2CO3 + 2 HCl = CO2 + H2O + 2 NH4Cl
(NH4)3As + Th(OH)4 = NH3 + Th3As4 + H2O =>
4(NH4)3As + 3 Th(OH)4 = 12 NH3 + Th3As4 + 12 H2O
Zn + HNO3 = Zn(NO3)2 + H2O + N4NO3 =>
19 Zn + 48 HNO3 = 19 Zn(NO3)2 + 24 H2O + 2 N4NO3
Fe2O3 + CaBr2 = FeBr3 + CaO =>
Fe2O3 + 3 CaBr2 = 2 FeBr3 + 3 CaO
NH4Cl + BaCl2 = BaNH4 + ClCl2 =>
NH4Cl + BaCl2 = BaNH4 + ClCl2
Cu + ZnS = Cu2S + Zn =>
2 Cu + ZnS = Cu2S + Zn
C12H22 + O2 = OH + C2 =>
C12H22 + 11 O2 = 22 OH + 6 C2
Se24 + Rf6 = Se6Rf6 =>
Se24 + 4 Rf6 = 4 Se6Rf6
AlCl3 + Ca = Al + CaCl =>
AlCl3 + 3 Ca = Al + 3 CaCl
(NH4)Cl + Ba(OH)2 = (NH4)(OH) + BaCl2 =>
2(NH4)Cl + Ba(OH)2 = 2(NH4)(OH) + BaCl2
Cu2 + NHO3 = Cu(NO3)2 + NO2 + H2O =>
Cu2 + 8 NHO3 = 2 Cu(NO3)2 + 4 NO2 + 4 H2O
Mg + O2MgO = MgO2 =>
Mg + 2 O2MgO = 3 MgO2
C2Cl4 + CH2O = C2H2Cl2 + CO2 + H{+} + Cl{-} =>
2 C2Cl4 + 4 CH2O = 3 C2H2Cl2 + 2 CO2 + 2 H{+} + 2 Cl{-}
Ba + ZnSO3 = BaSO3 + Zn =>
Ba + ZnSO3 = BaSO3 + Zn
Al(OH)3(s) + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3(s) + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(s) + H2O(l) =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(s) + 3 H2O(l)
(NH4)2S + PbBr3 = (NH4)2Br3 + PbS =>
(NH4)2S + PbBr3 = (NH4)2Br3 + PbS
H2O + KMnO4 = MnO2 + O2 + KOH =>
2 H2O + 4 KMnO4 = 4 MnO2 + 3 O2 + 4 KOH
C6H7NO3S + C8H11N + HNO2 + Na2CO3 = C14H14N3NaO3S + H2O + H2CO3 =>
2 C6H7NO3S + 2 C8H11N + 2 HNO2 + Na2CO3 = 2 C14H14N3NaO3S + 4 H2O + H2CO3
KOH(aq) + Ca(NO3)2(aq) = CaOH(s) + K(NO3)2(aq) =>
KOH(aq) + Ca(NO3)2(aq) = CaOH(s) + K(NO3)2(aq)
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
H2O + Cl2O = HOCl =>
H2O + Cl2O = 2 HOCl
(NH4)2(Mo7O24) + HNO3 + H3PO4 = (NH4)3(PO4(MoO3)12) + H2O + NO3 =>
12(NH4)2(Mo7O24) + 21 HNO3 + 7 H3PO4 = 7(NH4)3(PO4(MoO3)12) + 27 H2O + 24 NO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + NaSiO3 = NaSO4 + H2SiO3 =>
H2SO4 + NaSiO3 = NaSO4 + H2SiO3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
TiCl4 + NH3OH = Ti(OH)4 + NH3Cl =>
TiCl4 + 4 NH3OH = Ti(OH)4 + 4 NH3Cl
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)3 + Na2SO + K2SO + H2O =>
K2Cr2O7 + 6 Na2S + 4 H2SO4 = Cr2(SO4)3 + 6 Na2SO + K2SO + 4 H2O
Ba(OH)2 + H3PO4 = BaPO4 + H + OH =>
Ba(OH)2 + H3PO4 = BaPO4 + 3 H + 2 OH
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Cr2O7{-2} + Cl{-} + H{+} = Cl2 + Cr{3} + H2O =>
Cr2O7{-2} + 6 Cl{-} + 14 H{+} = 3 Cl2 + 2 Cr{3} + 7 H2O
Na3AsO4 + MgCl2 = NaCl + Mg3(AsO4)2 =>
2 Na3AsO4 + 3 MgCl2 = 6 NaCl + Mg3(AsO4)2
Mn2O5 + N2 = Mn + NO =>
2 Mn2O5 + 5 N2 = 4 Mn + 10 NO
Tl(OH)3 + NH4NO3 = TlNO3 + NH3 + H2O =>
4 Tl(OH)3 + 3 NH4NO3 = 4 TlNO3 + 2 NH3 + 9 H2O
Na2CO3(aq) + MgCl2(s) = NaCl(aq) + MgCO3(s) =>
Na2CO3(aq) + MgCl2(s) = 2 NaCl(aq) + MgCO3(s)
CH3CH2OH + CrO3 = CO2 + H2O + Cr2O3 =>
CH3CH2OH + 4 CrO3 = 2 CO2 + 3 H2O + 2 Cr2O3
Fe + N2 + C2 = Fe(CN)2 =>
Fe + N2 + C2 = Fe(CN)2
H3O{+} + Cr2O7{2-} + C2H5OH = Cr + CO2 + H2O =>
2 H3O{+} + Cr2O7{2-} + C2H5OH = 2 Cr + 2 CO2 + 6 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + Fe(OH)2 = Al2(OH)3 + Fe =>
4 Al + 3 Fe(OH)2 = 2 Al2(OH)3 + 3 Fe
H3COOC2H5 + O2 = CO2 + H2O =>
H3COOC2H5 + 4 O2 = 3 CO2 + 4 H2O
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