Chapter 14, Problem 14D.9BE

Interpretation Introduction

Interpretation:

The persistence length of the polymer has to be stated.

Concept introduction:

The bond angle is a type of arbitrary angle for a random coil which is free.  For the $N$ number unit in the polymer, the radius of gyration, $R_{\text{g}}$, for the $3-\text{D}$ random coil with bond length $l$ can be expressed as follows.

    $R_{\text{g}}={\left(\frac{N}{6}\right)}^{1/2}l$