Polybenzimidazoles are made by a two-stage step-growth melt polymerization: NH2 -H20 -$ OH NH2 x tent of reaction is needed to produce n = 200 in the above formula? Carry four decimal in your answer.

Chemistry: Principles and Practice
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ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter22: Organic Chemistry And Biochemistry
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(4) Polybenzimidazoles are made by a two-stage step-growth melt polymerization:
H2N-
- NH2
-H20
H2N
NH2
-фон
What extent of reaction is needed to produce n = 200 in the above formula? Carry four decimal
places in your answer.
Transcribed Image Text:(4) Polybenzimidazoles are made by a two-stage step-growth melt polymerization: H2N- - NH2 -H20 H2N NH2 -фон What extent of reaction is needed to produce n = 200 in the above formula? Carry four decimal places in your answer.
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