| Équations équilibrées la veille |
NiCl2 + 2 HNO3 = 2 HCl + Ni(NO3)2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Li2S + HBr = H2S(g) + LiBr(aq) =>
Li2S + 2 HBr = H2S(g) + 2 LiBr(aq)
Na2S2O8 + C12H22O11 = Na2CO3 + CO2 + H2O + S2O =>
4 Na2S2O8 + C12H22O11 = 4 Na2CO3 + 8 CO2 + 11 H2O + 4 S2O
NH3 + H2O = NH4OH*2H2O =>
NH3 + 3 H2O = NH4OH*2H2O
Zn(NO3)2 + Na2S = ZnS2 + Na + NO3 =>
Zn(NO3)2 + 2 Na2S = ZnS2 + 4 Na + 2 NO3
BaO + BeO = Ba5Be2O7 =>
5 BaO + 2 BeO = Ba5Be2O7
Na2O + CuO = NaCuO + O2 =>
2 Na2O + 4 CuO = 4 NaCuO + O2
Ba(OH)2 + P2O5 = BaO + P(OH)5 =>
5 Ba(OH)2 + P2O5 = 5 BaO + 2 P(OH)5
ClCu2 + H2 = Cu + HCl =>
2 ClCu2 + H2 = 4 Cu + 2 HCl
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Mg(H2PO4)2 + H2SO4 = H3PO4 + MgSO4 =>
Mg(H2PO4)2 + H2SO4 = 2 H3PO4 + MgSO4
H2WO4 + FeCl3 + H2O = FeWO4 + HCl + O2 =>
4 H2WO4 + 4 FeCl3 + 2 H2O = 4 FeWO4 + 12 HCl + O2
CU(OH)2 + HNO3 = CU(NO3)2 + H2O =>
CU(OH)2 + 2 HNO3 = CU(NO3)2 + 2 H2O
K2Cr2O7 + HCl = CrCl3 + KCl + Cl3 + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 2 Cl3 + 7 H2O
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeCl3 + Ni(NO3)2 = Fe(NO3)3 + NiCl2 =>
2 FeCl3 + 3 Ni(NO3)2 = 2 Fe(NO3)3 + 3 NiCl2
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CH2 + Cl2 + F2 = CCl3F + H2 =>
2 CH2 + 3 Cl2 + F2 = 2 CCl3F + 2 H2
Cu2O + H3PO4 = Cu3PO4 + H2O =>
3 Cu2O + 2 H3PO4 = 2 Cu3PO4 + 3 H2O
H2O3 = H3 + O2 =>
6 H2O3 = 4 H3 + 9 O2
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
K3N + NaOH = Na3N + KOH =>
K3N + 3 NaOH = Na3N + 3 KOH
KMnO4 + K2S03 + H2SO4 = MnSO4 + K2SO4 + H2O =>
4 KMnO4 + K2S03 + 4 H2SO4 = 4 MnSO4 + 3 K2SO4 + 4 H2O
Sb2O3 + Br2{-} + OH{-} = SbO43{-} + Br{-} + H2O =>
Sb2O3 + 164 Br2{-} + 166 OH{-} = 2 SbO43{-} + 328 Br{-} + 83 H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
ClO{-} + S2O3{2-} + OH{-} = Cl{-} + SO4{2-} + H{+} =>
4 ClO{-} + S2O3{2-} + OH{-} = 4 Cl{-} + 2 SO4{2-} + H{+}
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Mg(OH)2HNO2 = MgNO3H2OH =>
Mg(OH)2HNO2 = MgNO3H2OH
Al02 = Al12 =>
6 Al02 = Al12
Fe(CIO4)3 = Fe + CIO4 =>
Fe(CIO4)3 = Fe + 3 CIO4
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Al2O3 + Mg(NO3)2 = Al(NO3)3 + MgO =>
Al2O3 + 3 Mg(NO3)2 = 2 Al(NO3)3 + 3 MgO
Mg + Al(No3)3 = Mg(No3)2 + Al =>
3 Mg + 2 Al(No3)3 = 3 Mg(No3)2 + 2 Al
KMnO4 + H2O + Ba(NO2)2 = Ba(NO3)2 + KOH + MnO2 =>
4 KMnO4 + 2 H2O + 3 Ba(NO2)2 = 3 Ba(NO3)2 + 4 KOH + 4 MnO2
C3H8O3 + C17H35COOH = C57H110O6 + H2O =>
C3H8O3 + 3 C17H35COOH = C57H110O6 + 3 H2O
Na2SO4 + NaCl + Na2CO3 = Na5ClSCO7 =>
Na2SO4 + NaCl + Na2CO3 = Na5ClSCO7
(NH4)2S + Ba(OH)2 = BaS + NH3 + HOH =>
(NH4)2S + Ba(OH)2 = BaS + 2 NH3 + 2 HOH
CaCl2NH3C = CaCNH3Cl2 =>
CaCl2NH3C = CaCNH3Cl2
CsCl + ZnCl2 = Cs2ZnCl4 =>
2 CsCl + ZnCl2 = Cs2ZnCl4
Bi2S3 + HNO3 = Bi(NO3)3 + NO + S + H2O =>
Bi2S3 + 8 HNO3 = 2 Bi(NO3)3 + 2 NO + 3 S + 4 H2O
CdCl2 + Zn = ZnCl2 + Cd =>
CdCl2 + Zn = ZnCl2 + Cd
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