The structures of the given copolymer are to be drawn. Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid ( terephthalic acid ) and an alcohol, ethane-1,2- diol . It is also known as polyethylene terephthalate ( PET ) . Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.
The structures of the given copolymer are to be drawn. Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid ( terephthalic acid ) and an alcohol, ethane-1,2- diol . It is also known as polyethylene terephthalate ( PET ) . Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.
Solution Summary: The author defines copolymer as polymers whose repeating structural units are derived from two or more types of monomer units.
Definition Definition Monomer units that are initially formed as a linear polymer, before polymer chains join to form a three-dimensional network structure. They are hard, rigid, and brittle. The molecular weight of a cross-linked polymer is very high. Examples of cross-linked polymers are Bakelite and urea-formaldehyde polymer.
Chapter 22, Problem 80E
(a)
Interpretation Introduction
Interpretation: The structures of the given copolymer are to be drawn.
Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid
(terephthalicacid) and an alcohol,
ethane-1,2-diol. It is also known as
polyethyleneterephthalate(PET). Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.
(b)
Interpretation Introduction
Interpretation: The structures of the given copolymer are to be drawn.
Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid
(terephthalicacid) and an alcohol,
ethane-1,2-diol. It is also known as
polyethyleneterephthalate(PET). Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.
need help not sure what am doing wrong step by step please answer is 971A
During the lecture, we calculated the Debye length at physiological salt concentrations and temperature, i.e. at an ionic strength of 150 mM (i.e. 0.150 mol/l) and a temperature of T=310 K. We predicted that electrostatic interactions are effectively screened beyond distances of 8.1 Å in solutions with a physiological salt concentration.
What is the Debye length in a sample of distilled water with an ionic strength of 10.0 µM (i.e. 1.00 * 10-5 mol/l)? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).
Influence of salt concentrations on electrostatic interactions 2
Answer is 2.17A why not sure step by step please
What is the Debye length in a concentrated salt solution with an ionic strength of 2.00 mol/l? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).