Like benzene, the structural formulas of styrene resonance structures have to be shown. Concept Introduction: Polymer: A polymer is a long molecule formed by joining together of thousands of small molecular units by chemical bonds. Monomers: Small molecules which combine together to form polymer molecules are known as Monomers. Polymers are large molecules made of chains of monomers, small molecules that link together. Polymerization is the formation of polymers from these small units (or) macromolecules formed by the covalent attachment of a set of small molecules termed as monomers. Polymer can occur naturally (proteins, carbohydrates) and can be synthesized nylon, Teflon, Polyethylene, etc.,

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12, Problem 29Q

Interpretation Introduction

Interpretation:

Like benzene, the structural formulas of styrene resonance structures have to be shown.

Concept Introduction:

Polymer: A polymer is a long molecule formed by joining together of thousands of small molecular units by chemical bonds.

Monomers: Small molecules which combine together to form polymer molecules are known as Monomers.

Polymers are large molecules made of chains of monomers, small molecules that link together.

Polymerization is the formation of polymers from these small units (or) macromolecules formed by the covalent attachment of a set of small molecules termed as monomers.

Polymer can occur naturally (proteins, carbohydrates) and can be synthesized nylon, Teflon, Polyethylene, etc.,

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(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

fcrip = ↓ bandwidth Il temp 32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual components of the van Deemter equation and consequently, band broadening? Increase temperature Longer column Using a gas mobile phase instead of liquid Smaller particle stationary phase Multiple Paths Diffusion Mass Transfer

34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.). A) Predict whether decreasing the column inner diameters increase or decrease bandwidth. B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or decreasing bandwidth as a function of i.d. and justify your answer. Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles. 35 20 H(um) 큰 20 15 90 0+ 1500 100 75 550 01 02 594 05 μ(cm/sec) 30 15 10

Answer 2

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12, Problem 29Q

Interpretation Introduction

Interpretation:

Like benzene, the structural formulas of styrene resonance structures have to be shown.

Concept Introduction:

Polymer: A polymer is a long molecule formed by joining together of thousands of small molecular units by chemical bonds.

Monomers: Small molecules which combine together to form polymer molecules are known as Monomers.

Polymers are large molecules made of chains of monomers, small molecules that link together.

Polymerization is the formation of polymers from these small units (or) macromolecules formed by the covalent attachment of a set of small molecules termed as monomers.

Polymer can occur naturally (proteins, carbohydrates) and can be synthesized nylon, Teflon, Polyethylene, etc.,

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Answer 3

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12, Problem 29Q

Interpretation Introduction

Interpretation:

Like benzene, the structural formulas of styrene resonance structures have to be shown.

Concept Introduction:

Polymer: A polymer is a long molecule formed by joining together of thousands of small molecular units by chemical bonds.

Monomers: Small molecules which combine together to form polymer molecules are known as Monomers.

Polymers are large molecules made of chains of monomers, small molecules that link together.

Polymerization is the formation of polymers from these small units (or) macromolecules formed by the covalent attachment of a set of small molecules termed as monomers.

Polymer can occur naturally (proteins, carbohydrates) and can be synthesized nylon, Teflon, Polyethylene, etc.,

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12, Problem 29Q

Interpretation Introduction