| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(NO3)2(aq) + 2 NaOH(l) = Cu(OH)2 + 2 Na(NO3)
Ca(HCO3)2NaOH = CaOHNa(HCO3)2 =>
Ca(HCO3)2NaOH = CaOHNa(HCO3)2
CaCO3 + NaCl = Na2CO3 + CaCl2 =>
CaCO3 + 2 NaCl = Na2CO3 + CaCl2
NH4OH + Na2CO3 = Na2OH + NH4CO3 =>
NH4OH + Na2CO3 = Na2OH + NH4CO3
C6H5MgBr + NH3 = C6H6 + Mg(NH2)Br =>
C6H5MgBr + NH3 = C6H6 + Mg(NH2)Br
(KBr) + Cl = KCl + Br =>
(KBr) + Cl = KCl + Br
FXe = XeF =>
FXe = XeF
NH4Cl + Pb(NO3)2 = NH4NO3 + PbCl2 =>
2 NH4Cl + Pb(NO3)2 = 2 NH4NO3 + PbCl2
Ni(HCO3)2 + HCl = NiCl2 + H2O + CO2 =>
Ni(HCO3)2 + 2 HCl = NiCl2 + 2 H2O + 2 CO2
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Al2(CO3)3 + LiBr = AlBr3 + Li2CO3 =>
Al2(CO3)3 + 6 LiBr = 2 AlBr3 + 3 Li2CO3
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
Nh3 + Cl = Nh4Cl =>
4 Nh3 + 3 Cl = 3 Nh4Cl
HN3 + K2Cr2O7 + H2SO4 = N2 + Cr2(SO4)2 + K2SO4 + H2O =>
8 HN3 + K2Cr2O7 + 3 H2SO4 = 12 N2 + Cr2(SO4)2 + K2SO4 + 7 H2O
S + Cr(OH)3 = Cr(S)3 + OH =>
3 S + Cr(OH)3 = Cr(S)3 + 3 OH
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
C2H5OOH + KMnO4 + H2SO4 = CH3COOH + Mn2SO4 + K2SO4 + H2O =>
6 C2H5OOH + 2 KMnO4 + 2 H2SO4 = 6 CH3COOH + Mn2SO4 + K2SO4 + 8 H2O
Mg3As2 + HCl = AsH3 + MgCl2 =>
Mg3As2 + 6 HCl = 2 AsH3 + 3 MgCl2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
C8H18O + HBr = C8H17Br + H2O =>
C8H18O + HBr = C8H17Br + H2O
P = P205 = H3PO4 =>
205 P = P205
S + Cu = SCu =>
S + Cu = SCu
Na2SO3 + CrCl3 + H2O = NaCl + Cr(OH)3 + SO2 =>
3 Na2SO3 + 2 CrCl3 + 3 H2O = 6 NaCl + 2 Cr(OH)3 + 3 SO2
K2HPO4 = K{+} + HPO4{2-} =>
K2HPO4 = 2 K{+} + HPO4{2-}
P2O5 + NaOH = H2O + Na2HPO4 =>
P2O5 + 4 NaOH = H2O + 2 Na2HPO4
PbCl2 + H2O = Pb(OH)2 + HCl =>
PbCl2 + 2 H2O = Pb(OH)2 + 2 HCl
Zn + KClO3 + H2O + KOH = K2[Zn(OH)4] + KCl =>
3 Zn + KClO3 + 3 H2O + 6 KOH = 3 K2[Zn(OH)4] + KCl
NH3 + Br2 + MnSO4 + H2O = MnO(OH)2 + (NH)4SO4 + NH4Br =>
16 NH3 + 6 Br2 + MnSO4 + 3 H2O = MnO(OH)2 + (NH)4SO4 + 12 NH4Br
CaCl2 + (NH4)2C2O4 + H2O = CaC2O4*H2O + NH4Cl =>
CaCl2 + (NH4)2C2O4 + H2O = CaC2O4*H2O + 2 NH4Cl
KNO3 + C = K2CO3 + CO2 + N2 =>
4 KNO3 + 5 C = 2 K2CO3 + 3 CO2 + 2 N2
Al(H2O)6{+3} + NH3 = Al(OH)3(H2O)3 + NH4{+} =>
Al(H2O)6{+3} + 3 NH3 = Al(OH)3(H2O)3 + 3 NH4{+}
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C6H7N = C + H + N =>
C6H7N = 6 C + 7 H + N
CuSO4 + RbOH = Cu(OH)2 + Rb2SO4 =>
CuSO4 + 2 RbOH = Cu(OH)2 + Rb2SO4
Cr2O7{2-} + H{+} + Sn{2+} = Sn{4+} + Cr{3+} + H2O =>
Cr2O7{2-} + 14 H{+} + 3 Sn{2+} = 3 Sn{4+} + 2 Cr{3+} + 7 H2O
HO{-} + CS2 = H2O + CS3{-2} + CO3{-2} =>
6 HO{-} + 3 CS2 = 3 H2O + 2 CS3{-2} + CO3{-2}
Al(s) + H2SO4(aq) = H(g) + Al2(SO4)3 =>
2 Al(s) + 3 H2SO4(aq) = 6 H(g) + Al2(SO4)3
Ba(NO3)2 + O = Ba(NO4)2 =>
Ba(NO3)2 + 2 O = Ba(NO4)2
Fe2S3 + H2SO4 = Fe2(SO3)3 + H2S =>
4 Fe2S3 + 9 H2SO4 = 4 Fe2(SO3)3 + 9 H2S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaOHHN = CaNHOH =>
CaOHHN = CaNHOH
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Ca(NO2)2 + H2O = HNO2 + CaO =>
Ca(NO2)2 + H2O = 2 HNO2 + CaO
C13H14 + H{+} + SO4{2-} = CO2 + H2S + H2O =>
4 C13H14 + 66 H{+} + 33 SO4{2-} = 52 CO2 + 33 H2S + 28 H2O
Ag{+} + Pb = Ag + Pb{2} =>
2 Ag{+} + Pb = 2 Ag + Pb{2}
NaBiO3 = NaBiO2 + O2 =>
2 NaBiO3 = 2 NaBiO2 + O2
Mg(s) + N2(g) + H2O = MgO(s) + NH3(g) =>
3 Mg(s) + N2(g) + 3 H2O = 3 MgO(s) + 2 NH3(g)
Be(OH)2 + HCl = BeCl2 + H2O =>
Be(OH)2 + 2 HCl = BeCl2 + 2 H2O
C2H4O2 + LiOH = H2O + LiC2H3O2 =>
C2H4O2 + LiOH = H2O + LiC2H3O2
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Équations équilibrées sur12/10/24
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