Ca+2HCl=CaCl2+H2<span> Ca^(+2)+2H^(+2)+2Cl^(1-)= Ca^(+2)+2Cl^(1-)+H(1+)<span> Mg+2HCl=MgCl2+H2</span></span>Mg^(+2)+2H^(+2)+2Cl^(1-)= Mg^(+2)+2Cl^(1-)+H(1+)<span> Zn+2HCl=ZnCl2+H2</span>Zn^(+2)+2H^(+2)+2Cl^(1-)= Zn^(+2)+2Cl^(1-)+H(1+)<span> Cu+HCl=X</span><span> Ag+HCl=X<span>Fe+2HCl=FeCl2+H2</span></span>Fe^(+2)+2H^(+2)+2Cl^(1-)= Fe(+2)+2Cl^(1-)+H(1+)
Ответ:
тепловые явления....
MgO+2РСд = MgCl2+ H2O