Ch3-ch2-ch2-oh+cuo=Ch3-ch2-cho<span>(пропаналь)+сu+h2o
</span>Ch3-ch2-cho+2cu(oh)2=<span>Ch3-ch2-cooh+cu2o+2h2o</span>
D(N₂)=M(N₂)÷M(H₂)
D(N₂)=28г./моль÷2г./моль=14
D(N₂)=M(N₂)÷M(He)
D(N₂)=28г./моль÷4г./моль=7
D(N₂)=M(N₂)÷M(O₂)
D(N₂)=28г./моль÷16г./моль=1,75
1) Al4C3 + H2O => CH4 + Al(ОН)3
2) CH4 + CH4 => <span>CH3Cl + HCl
3) </span><span>CH3Cl + C3H7Cl + 2Na => C4H10 + 2NaCl
4) </span>C4H10 + Br2 => C4H9Br + HBr
<span>5) C4H9Br + КOH => C4H8 + КBr + H2O</span><span>
</span>6) C4H8 + H2O => C4H9OH<span>
</span>
2MeCl = 2Me + Cl2
2.3/2x = 1.12/22.4
2x = (2.3*22.4)/1.12 = 46 ==> x = 23 г/моль
Металл: натрий.
Воде так , vochoeohdvojevxeeojvdepbwpbpwjzb