Interpretation:
From the given table, the polymer with the largest molar mass needs to be determined. Assuming the number of monomer units are same in all the
Concept introduction:
A polymer is a long chain consists of large number of monomer units. In a polymer, the monomers are linked to each other in a continuous or repetitive manner. These monomer units are linked to each other either through the formation of peptide linkage, glycosidic linkage or by removal of any moiety such as a water molecule. Polyvinyl chloride, Bakelite and polystyrene are some of the examples of polymers.
Mass percent of an atom present in the sample can be determined by dividing
For example, the mass percent of x g of an atom present in the y g of monomer unit can be determined as:
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Answer to Problem 8QAP
Styrene is present with highest percentage by mass of carbon.
Explanation of Solution
If all the polymers contain the same number of monomer units, the molar mass of polymers can be compared by comparing the molar mass of the monomers in it.
(1)
In the table mentioned in the problem, the 1st polymer contains ethylene as a monomer unit. Ethylene consists of 2 carbon and 4 hydrogen atoms. The molar mass can be calculated as follows:
Putting the values,
The mass percentage of carbon can be calculated as follows:
Putting the values,
(2)
The 2nd polymer shown in table consists of propylene as a monomer unit. Propylene consists of 3 carbon and 6 hydrogen atoms.
The molar mass can be calculated as follows:
Putting the values,
The mass percentage of carbon can be calculated as follows:
Putting the values,
(3)
The 3rd polymer shown in table consists of vinyl chloride as monomer unit. Vinyl chloride consists of 2 carbon and 3 hydrogen and 1 chlorine atoms.
Putting the values,
The mass percentage of carbon can be calculated as follows:
Putting the values,
(4)
The 4th polymer shown in table consists of acrylonitrile as monomer unit. Acrylonitrile consists of 3 carbon, 3 hydrogen and 1 nitrogen atoms. The molar mass can be calculated as follows:
The mass percentage of carbon can be calculated as follows:
Putting the values,
(5)
The 5th polymer shown in table consists of styrene as monomer unit. Styrene consists of 8 carbon and 8 hydrogen atoms. The molar mass can be calculated as follows:
The mass percentage of carbon can be calculated as follows:
Putting the values,
(6)
The 6th polymer shown in table consists of methyl methacrylate as monomer unit. Methacrylate consists of 2 carbon and 2 oxygen atoms. The molar mass can be calculated as follow:
Putting the values,
The mass percentage of carbon can be calculated as follows:
Putting the values,
(7)
The 7th polymer shown in table consists of tetrafluoroethylene as monomer unit. Tetrafluoroethylene consists of 2 carbon and 4 fluorine atoms. The molar mass can be calculated as follows:
Putting the values,
The mass percentage of carbon can be calculated as follows:
Putting the values,
Here, styrene consists of highest percentage by mass of carbon that is around 96 %. Thus, styrene is present with highest percentage by mass of carbon.
Thus, styrene is present with highest percentage by mass of carbon.
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Chapter 23 Solutions
OWLv2 for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 1 term (6 months)
- Predict the major products of the following organic reaction: + A ? Some important notes: • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. Explanation Check Click and drag to start drawing a structure. C © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Centearrow_forwardPolar solutes are most likely to dissolve into _____, and _____ are most likely to dissolve into nonpolar solvents. A. nonpolar solutes; polar solvents B. nonpolar solvents; polar solvents C. polar solvents; nonpolar solutes D. polar solutes; nonpolar solventsarrow_forwardDeducing the Peactants Can the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one step, by moderately heating the reactants? ? Δ If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any arrangement you like. If your answer is no, check the box under the drawing area instead. Explanation Check Click and drag to start drawing a structure. © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Xarrow_forward
- Draw all 8 stereoisomers, circling each pair of enantiomer(s)/ mirror image compound(s)arrow_forwardBookmarks Profiles Tab Window Help Chemical Formula - Aktiv Che X + → C 11 a app.aktiv.com Google Chrome isn't your default browser Set as default Question 12 of 16 Q Fri Feb 2 Verify it's you New Chrome availabl- Write the balanced molecular chemical equation for the reaction in aqueous solution for mercury(I) nitrate and chromium(VI) sulfate. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction. 3 Hg(NO3)2(aq) + Cг2(SO4)3(aq) → 3 Hg₂SO (s) + 2 Cr(NO3), (aq) ean Ui mate co ence an climate bility inc ulnerabili women, main critic CLIMATE-INI ernational + 10 O 2 W FEB 1 + 4- 3- 2- 2 2 ( 3 4 NS 28 2 ty 56 + 2+ 3+ 4+ 7 8 9 0 5 (s) (1) Ch O 8 9 (g) (aq) Hg NR CI Cr x H₂O A 80 Q A DII A F2 F3 FA F5 F6 F7 F8 F9 #3 EA $ do 50 % 6 CO & 7 E R T Y U 8 ( 9 0 F10 34 F11 川 F12 Subr + delete 0 { P }arrow_forwardDeducing the reactants of a Diels-Alder reaction n the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one step, by moderately heating the reactants? ? Δ • If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any arrangement you like. • If your answer is no, check the box under the drawing area instead. Explanation Check Click and drag to start drawing a structure. >arrow_forward
- Predict the major products of the following organic reaction: + Some important notes: A ? • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. Explanation Check Click and drag to start drawing a structure.arrow_forwardif the answer is no reaction than state that and please hand draw!arrow_forward"I have written solutions in text form, but I need experts to rewrite them in handwriting from A to Z, exactly as I have written, without any changes."arrow_forward
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