<span>2Ca</span><span> +O2 ---></span><span> 2</span><span>CaO</span>
<span><span>CaO</span><span> +H2O----> </span><span> </span><span>Ca(OH)2</span></span>
<span><span><span>Ca(OH)2</span><span> +H2CO3---></span><span> </span><span>CaCO3+2H2O</span></span></span>
<span><span><span><span>CaCo3---><span> CaO+CO2</span></span></span></span></span>
<span><span><span><span><span><span>CaO+2HCl---></span><span> </span><span>CaCl2+H2O тут наверно у тебя ошибка не<span> </span><span>Cal2 аCaCl2</span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>CaCl2</span><span> +2AgNO3---> 2</span><span>AgCI+ Ca(NO3)2</span></span></span></span></span></span></span></span>
<em />2Li3N = 6Li + N2 (условия: t)
2Li + O2 = 2Li2O
Li2O + H2O = 2LiOH
2LiOH + H2SO4 = Li2SO4 + 2H2O
1)2Cu+2SO4+2H2O=2Cu+O2+4H+2SO4
2)2H2O=O2+4H