1. What are part (i.e., three incre

1. What are part (i.e., three increasing length scales of polymeric structures) of the polymericstructural hierarchy larger than atomic nuclei and electrons but smaller than phase morphology.And what are the specifics for each of the three scales of structures? (25 points)2. What is the difference(s) between configuration and conformation of polymers? (7 points)3. Schematically describe all of the bonding order possibilities (i.e., bonding isomers) betweentwo neighboring monomer units of poly(vinyl chloride) (PVC). (3 points)4. What is the chain segment of polymers that is defined to address their glass transitiontemperature (Tg)? (4 points)5. Define the concept of “aggregate structure of polymers”. Generally, what can the aggregatestructure of polymers possibly be? (Answer briefly; the specifics for each of the aggregatestructure possibilities are not required) (4 points)6. What is the most frequently observed morphology of polymer crystals formed from melt?(Answer briefly) (2 points)7. What is the typical optical signature of polymer spherulites observed under a cross-polarizedmicroscope? (2 points)8. Describe the orientation phenomenon in polymer processing. (4 points)9. Describe the shish kebab crystal morphology (i.e., epitaxial crystals) of polymers. (4 points)210. Briefly list the molecular motion units of different increasing length scales possibly presentin polymers. (3 points)11. What is the relaxation of polymers? Describe its relationships with time and temperature,respectively. (7 points)12. Typically, what are the five distinct molecular-motion regions in the thermomechanicalcurve of amorphous polymers? And what are the basic characters for each of the regions? (8points)13. What is the glass transition temperature (Tg) of polymers? And what are its industrial andacademic significances, respectively? (16 points)14. Describe the time‒temperature superposition theory of polymers. (4 points)15. Describe the characteristics of molecular motions of polymers. (7 points)