Ag(nh3)oh+ch3cooh=ch3cooh+ag+nh3+h2o
2Ag(+)+2NO3(-) + 2H(+) + S(2-) = Ag2S↓ + 2H(+) + 2NO3(-)
Крекингом октана.....<span>C8H18 (t)= C4H8 + C4H10 </span>
1)<span> Mg + H2SO4= MgSO4 +H2
</span>2Мg<span> + </span>CO2<span> = </span>C<span> + 2</span><span>MgO
</span>Mg + 2HCl = MgCl₂ + H₂
3) CaO+H2O=Ca(OH)2
M(CaO)=56 г/моль
ню(CaO)=ню(Сa(OH)2)=5,6/56=0,1 моль
4Mg + 5H2SO4 = H2S + 4MgSO4 +4H2O
2H2S + SO2 = 3S + 2H2O
2Al +3 S = Al2S3
Al2S3 + 6H2O = 2Al(OH)3 + 3H2S