<span>K + N2 ---> реакция невозможна</span>
3Ba + 2O2 ---> 2BaO + BaO2
<span>Al + NiSO4 ---> Реакция не возможно, по правилу ряда напряжений</span>
<span><span>BaO + 2HCl (разб.) ---> BaCl</span>2<span> + H</span>2<span>O </span></span>
<span><span>BaO + 2Н(+) + 2Сl(-) ----> Ba(2+) 2Cl(-) + H2O </span></span>
<span><span><span>Ba(OH)2 + AlCl3 ---> реакция не пойдет</span></span></span>
<span><span><span><span>3KOH+ CrCl3 + ---> Cr(OH)3↓ + 3KCl</span></span></span></span>
<span><span><span><span>3K (+) + 3OH(-) + Cr (3+) + 3Cl(-) ---> Cr(OH)3↓ + 3K (+)+ 3Cl(-)</span></span></span></span>
<span><span><span><span> 3OH(-) + Cr (3+)---> Cr(OH)3↓</span></span></span></span>
<span><span><span><span><span>Al</span>2<span>O</span>3<span> + 2NaOH ---> 2NaAlO</span>2<span> + H</span>2<span>O (р-я идет при температуре, над стрелкой t)</span></span></span></span></span>
<span><span><span><span><span><span>2Al(ОН)3+3H2SO4 = Al2(SO4)3+6H2O </span></span></span></span></span></span>
<span><span><span><span> </span></span></span></span>
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