Chemistry Reference
In-Depth Information
1.21 mol
C(CH
2
OH)
4
pentaerythritol
CO
O
O
phthalic anhydride
0.50 mol
C
H
0.49 mol
tricarballylic acid
CH
2
C
CH
2
COOH
COOH
COOH
7-4
In the polymerization of H
2
N(CH
2
)
10
COOH to form nylon-11, what
weight fraction of the reaction mixture has the structure
H
C
N
(CH
2
)
10
100
O
when 99% of the functional groups have reacted?
7-5
Following is a simplified alkyd recipe:
H
H
CH
2
CH
2
CH
3
1.00 mol
oleic acid
HOC
C
C
7
7
C
C
O
OH
OH
1.31 mol
phthalic acid
C
O
H
glycerol
HOCH
2
C
CH
2
OH
1.30 mol
OH
HOCH
2
CH
2
OH
0.50 mol
ethylence glycol
(a) Calculate the number average degree of polymerization when the
esterification reaction is complete (p
5
1).
