| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
AgSCN + NH4(OH) = [Ag(NH3)2]SCN + H2O =>
AgSCN + 2 NH4(OH) = [Ag(NH3)2]SCN + 2 H2O
Na2CO3 + O2 = NaO2 + CO2 =>
2 Na2CO3 + 3 O2 = 4 NaO2 + 2 CO2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Na2O3 + K2O = NaO + KO =>
Na2O3 + K2O = 2 NaO + 2 KO
Fe(OH)3 + NaOH = Fe(OH)2 + Na(OH)2 =>
Fe(OH)3 + NaOH = Fe(OH)2 + Na(OH)2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C10H12N2O8Na2Ca + FeCl2 = C10H12N2O8Fe2 + CaCl2 + NaCl =>
C10H12N2O8Na2Ca + 2 FeCl2 = C10H12N2O8Fe2 + CaCl2 + 2 NaCl
(NH4)2S + HNO3 = NH4NO3 + S + H2 =>
(NH4)2S + 2 HNO3 = 2 NH4NO3 + S + H2
H2O + I2 + Na2SO4 = HIO3 + Na2S =>
4 H2O + 4 I2 + 5 Na2SO4 = 8 HIO3 + 5 Na2S
Cr2O3 + H2SO4 + H2O = [Cr(H2O)6]2(SO4)3 =>
Cr2O3 + 3 H2SO4 + 9 H2O = [Cr(H2O)6]2(SO4)3
lead(II)nitrate + sodiumbromide = lead(II)bromide + sodiumnitrate =>
Pb(NO3)2 + 2 NaBr = PbBr2 + 2 NaNO3
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
Fe + BaO = Fe2O3 + Ba =>
2 Fe + 3 BaO = Fe2O3 + 3 Ba
FeHPO3 + H{+} + Cr2O7{2-} = Cr{3+} + Fe{3+} + H3PO4 + H2O =>
2 FeHPO3 + 14 H{+} + Cr2O7{2-} = 2 Cr{3+} + 2 Fe{3+} + 2 H3PO4 + 5 H2O
Li + P = Li5P =>
5 Li + P = Li5P
P2S + KCIO3 + H2O = H3PO4 + H2SO4 + KCI =>
3 P2S + 8 KCIO3 + 12 H2O = 6 H3PO4 + 3 H2SO4 + 8 KCI
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Pd7 + B3 = Pd4B2 =>
12 Pd7 + 14 B3 = 21 Pd4B2
CN{-} + HCl = HCN + Cl{-} =>
CN{-} + HCl = HCN + Cl{-}
Ca(C2H3O2)2 + K2SO4 = K(C2H3O2) + CaSO4 =>
Ca(C2H3O2)2 + K2SO4 = 2 K(C2H3O2) + CaSO4
(NH4)2CO3 + Cu(OH)2 = NH3 + CuCO3 + H2O =>
(NH4)2CO3 + Cu(OH)2 = 2 NH3 + CuCO3 + 2 H2O
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2 =>
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2
Cu + AgNO3 = Cu5NO3 + Ag =>
5 Cu + AgNO3 = Cu5NO3 + Ag
HAsO6 = H + AsO6 =>
HAsO6 = H + AsO6
Cs2SO4 + MgCl2 = CsCl + MgSO4 =>
Cs2SO4 + MgCl2 = 2 CsCl + MgSO4
CuO + NH4Cl = CuCl2 + H2O + N2 + Cu =>
4 CuO + 2 NH4Cl = CuCl2 + 4 H2O + N2 + 3 Cu
C10H15N + OH = CO2 + H2O + N2 =>
2 C10H15N + 110 OH = 20 CO2 + 70 H2O + N2
MgSe + F = MgF + Se =>
MgSe + F = MgF + Se
Sc(OH)3 + H2S = Sc2S3 + H2O =>
2 Sc(OH)3 + 3 H2S = Sc2S3 + 6 H2O
NaCl + MgAl2O4 = Na2Al2O4 + MgCl2 =>
2 NaCl + MgAl2O4 = Na2Al2O4 + MgCl2
MnO4{-} + Sn2{+} = Mn2{+} + Sn4{+} + O2 =>
2 MnO4{-} + 6 Sn2{+} = Mn2{+} + 3 Sn4{+} + 4 O2
Na + Ar = Na2Ar =>
2 Na + Ar = Na2Ar
Ca(HS)2 + HCl = CaCl2 + H2S =>
Ca(HS)2 + 2 HCl = CaCl2 + 2 H2S
NH3 + Ba(OH)2 = Ba(NH3)2 + OH =>
2 NH3 + Ba(OH)2 = Ba(NH3)2 + 2 OH
Pb(aq) + K2Cr2O4(aq) = Pb2(Cr2O4)2(s) + K(aq) =>
2 Pb(aq) + 2 K2Cr2O4(aq) = Pb2(Cr2O4)2(s) + 4 K(aq)
Fe(OH)3 + NaOH = Fe(OH)2 + Na(OH)2 =>
Fe(OH)3 + NaOH = Fe(OH)2 + Na(OH)2
Hg + AgNH4 = Ag + HgNH4 =>
Hg + AgNH4 = Ag + HgNH4
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
BaSO4 + HNO3 = Ba(NO3)2 + H2SO4 =>
BaSO4 + 2 HNO3 = Ba(NO3)2 + H2SO4
ZnSO4(aq) + NH3(aq) = Zn(NH3)2(aq) + SO4 =>
ZnSO4(aq) + 2 NH3(aq) = Zn(NH3)2(aq) + SO4
H2SO4 + Na = H2O + H2S + Na2SO4 =>
5 H2SO4 + 8 Na = 4 H2O + H2S + 4 Na2SO4
Cu(OH)2 + NaCl = CuCl2 + Na(OH) =>
Cu(OH)2 + 2 NaCl = CuCl2 + 2 Na(OH)
LiNO2 + H2 = LiH + HNO2 =>
LiNO2 + H2 = LiH + HNO2
SO2 + FeO = SO3 + Fe =>
SO2 + FeO = SO3 + Fe
Hg2(NO3)2 + KI = K2HgI4 + KNO3 + Hg =>
Hg2(NO3)2 + 4 KI = K2HgI4 + 2 KNO3 + Hg
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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