<span>1)2H2O = 2H2 + O2
H2+cl2=2HCL
</span><span>2 HCl + BA(OH)2=BACl2+2 H2O </span>
1)<span>CH2=CH-CH2-CH3+HCl = CH3-CHCl-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+ </span><span>HBr= CH3-CHBr-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+</span><span>H2= </span><span>CH3-CH2-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+</span><span>Br2= </span><span>CH2Br-CHBr-CH2-CH3</span>
<em />2) Cl2+C5H12=HCL+C5H11Cl
Br2+C5H12=HBr+C5H11Br
10+11=21
21+16=43
-2-56=5
Оtвеt:сасай