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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

ABS plastic is a tough, hard plastic used in applications requiring shock resistance. The polymer consists of three monomer units: acrylonitrile (C3H3N), butadiene (C4H4), and styrene (C8H8).

a. Draw two repeating units of ABS plastic assuming that the three monomer units react in a 1:1:1 mole ratio and react in the same order as the monomers listed above.

b. A sample of ABS plastic contains 8.80% N by mass. It took 0.605 g Br2 to react completely with a 1.20-g sample of ABS plastic. What is the percent by mass of acrylonitrile, butadiene, and styrene in this polymer sample?

c. ABS plastic does not react in a 1:1:1 mole ratio among the three monomer units. Using the results from part b, determine the relative numbers of the monomer units in this sample of ABS plastic.

(a)

Interpretation Introduction

Interpretation: The two repeating units of ABS plastic assuming the three monomer units react in a 1:1:1 mole ratio and in the same order as the monomers are to be drawn. The percent by mass of acrylonitrile, butadiene and styrene in the polymer sample is to be calculated and the relative numbers of monomer units in the given sample of ABS plastic is to be determined.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. ABS plastic is a terpolymer of styrene, acrylonitrile and polybutadiene.

To determine: The structure of two repeating units of ABS plastic assuming the three monomer units react in a 1:1:1 mole ratio and in the same order as the monomers.

Explanation

Explanation

The structure of the polymer of ABS plastic is shown in figure 1.

The reaction of Abs polymer synthesis is,

Figure 1

ABS plastic is a terpolymer synthesized by polymerizing styrene, acrylonitrile and polybutadiene. The chemical formula of ABS polymer is (C

(b)

Interpretation Introduction

Interpretation: The two repeating units of ABS plastic assuming the three monomer units react in a 1:1:1 mole ratio and in the same order as the monomers are to be drawn. The percent by mass of acrylonitrile, butadiene and styrene in the polymer sample is to be calculated and the relative numbers of monomer units in the given sample of ABS plastic is to be determined.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. ABS plastic is a terpolymer of styrene, acrylonitrile and polybutadiene.

To determine: The percent by mass of acrylonitrile, butadiene and styrene in the polymer sample.

(c)

Interpretation Introduction

Interpretation: The two repeating units of ABS plastic assuming the three monomer units react in a 1:1:1 mole ratio and in the same order as the monomers are to be drawn. The percent by mass of acrylonitrile, butadiene and styrene in the polymer sample is to be calculated and the relative numbers of monomer units in the given sample of ABS plastic is to be determined.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. ABS plastic is a terpolymer of styrene, acrylonitrile and polybutadiene.

To determine: The relative numbers of monomer units in the given sample of ABS plastic.

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Ch-22 P-11RQCh-22 P-12RQCh-22 P-1QCh-22 P-2QCh-22 P-3QCh-22 P-4QCh-22 P-5QCh-22 P-6QCh-22 P-7QCh-22 P-8QCh-22 P-9QCh-22 P-10QCh-22 P-11QCh-22 P-12QCh-22 P-13ECh-22 P-14ECh-22 P-15ECh-22 P-16ECh-22 P-17ECh-22 P-18ECh-22 P-19ECh-22 P-20ECh-22 P-21ECh-22 P-22ECh-22 P-23ECh-22 P-24ECh-22 P-25ECh-22 P-26ECh-22 P-27ECh-22 P-28ECh-22 P-29ECh-22 P-30ECh-22 P-31ECh-22 P-32ECh-22 P-33ECh-22 P-34ECh-22 P-35ECh-22 P-36ECh-22 P-37ECh-22 P-38ECh-22 P-39ECh-22 P-40ECh-22 P-41ECh-22 P-42ECh-22 P-43ECh-22 P-44ECh-22 P-45ECh-22 P-46ECh-22 P-47ECh-22 P-48ECh-22 P-49ECh-22 P-50ECh-22 P-51ECh-22 P-52ECh-22 P-53ECh-22 P-54ECh-22 P-55ECh-22 P-56ECh-22 P-57ECh-22 P-58ECh-22 P-59ECh-22 P-60ECh-22 P-61ECh-22 P-62ECh-22 P-63ECh-22 P-64ECh-22 P-65ECh-22 P-66ECh-22 P-67ECh-22 P-68ECh-22 P-69ECh-22 P-70ECh-22 P-71ECh-22 P-72ECh-22 P-73ECh-22 P-74ECh-22 P-75ECh-22 P-76ECh-22 P-77ECh-22 P-78ECh-22 P-79ECh-22 P-80ECh-22 P-81ECh-22 P-82ECh-22 P-83ECh-22 P-84ECh-22 P-85ECh-22 P-86ECh-22 P-87ECh-22 P-88ECh-22 P-89ECh-22 P-90ECh-22 P-91ECh-22 P-92ECh-22 P-93ECh-22 P-94ECh-22 P-95ECh-22 P-96ECh-22 P-97ECh-22 P-98ECh-22 P-99ECh-22 P-100ECh-22 P-101ECh-22 P-102ECh-22 P-103ECh-22 P-104ECh-22 P-105ECh-22 P-106ECh-22 P-107ECh-22 P-108ECh-22 P-109ECh-22 P-110ECh-22 P-111AECh-22 P-112AECh-22 P-113AECh-22 P-114AECh-22 P-115AECh-22 P-116AECh-22 P-117AECh-22 P-118AECh-22 P-119AECh-22 P-120AECh-22 P-121AECh-22 P-122AECh-22 P-123AECh-22 P-124AECh-22 P-125AECh-22 P-126AECh-22 P-127AECh-22 P-128AECh-22 P-129AECh-22 P-130AECh-22 P-131AECh-22 P-132AECh-22 P-133AECh-22 P-134AECh-22 P-135AECh-22 P-136AECh-22 P-137CWPCh-22 P-138CWPCh-22 P-139CWPCh-22 P-140CWPCh-22 P-141CWPCh-22 P-142CWPCh-22 P-143CWPCh-22 P-144CWPCh-22 P-145CPCh-22 P-146CPCh-22 P-147CPCh-22 P-148CPCh-22 P-149CPCh-22 P-150CPCh-22 P-151CPCh-22 P-152CPCh-22 P-153CPCh-22 P-154CPCh-22 P-155CPCh-22 P-156CPCh-22 P-157CPCh-22 P-158CPCh-22 P-159IPCh-22 P-160IPCh-22 P-161MPCh-22 P-162MP

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