Ответы и объяснения

2014-02-07T18:06:01+00:00
C2H5CHO+Ag2O=C2H5COOH+ 2Ag

C2H5COOH= C2H4+ CO2+ H2O
 дальше все просто


2014-02-07T18:23:38+00:00
C2H5COH+2[Ag(NH3)]OH=C2H5COONH4+NH3+2Ag+H2O

C2H5COH+H2=C3H7OH
CH3C(O)CH3+H2=CH3-CH(OH)-CH3

C3H7OH=C3H7+H2O
CH3-CH(OH)-CH3=C3H7+H2O

n(Ag)=2.16/108=0.02
n(алкена)=6,72/22,4=0.3