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Completati si egalati reactile de mai jos:
Mg+O₂=
K+O₂=
K+S=
Al+S=
Mg+S=
Mg+Cl=
Cu+Cl₂=
Mg+H₂O=
Al+H₂O=


Răspuns :

Mg + 1/2O2 => MgO
2K + 1/2O2 => K2O
2K + S => K2S
2Al + 3S => Al2S3
Mg + S => MgS
Mg + Cl2 => MgCl2
Cu + Cl2 => CuCl2
Mg + 2H2O => Mg(OH)2 + H2
Al + 3H2O => Al(OH)3 + 3/2H2