(a)
Interpretation:
True or false.
Ethylene contains one carbon-carbon double bond, and polyethylene contains many carbon-carbon double bonds.
Concept Introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.
(b)
Interpretation:
True or false.
All c-c bond angles in both LDPE and HDPE are approximately 1200.
Concept Introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form polymers is known as polymerization. Below are the two types of polymers:
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.
(c)
Interpretation:
True or false.
Low-density polyethylene is a highly branched polymer.
Concept Introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form polymers is known as polymerization. Below are the two types of polymers:
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.
(d)
Interpretation:
True or false.
High density polyethylene consists of carbon chains with little branching.
Concept Introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form polymers is known as polymerization. Below are the two types of polymers:
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.
(e)
Interpretation:
True or false.
The density of polyethylene polymers is directly related to the degree of chain branching, the lower the density of the polymer.
Concept Introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form polymers is known as polymerization. Below are the two types of polymers:
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.
(f)
Interpretation:
True or false.
PS and PVC are currently recycled.
Concept introduction:
Procedures where single molecules or monomers such as hydrocarbons and amino acids bond to form polymers is known as polymerization. Below are the two types of polymers:
- Natural polymers − These polymers consist rubber, cellulose and deoxyribonucleic acid (DNA).
- Manmade or artificial polymer − These polymers are found within PVC i.e. polyvinyl chloride and other plastic.

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Chapter 12 Solutions
OWLv2 for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th Edition, [Instant Access], 1 term (6 months)
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- Given 10.0 g of NaOH, what volume of a 0.100 M solution of H2SO4 would be required to exactly react all the NaOH?arrow_forward3.50 g of Li are combined with 3.50 g of N2. What is the maximum mass of Li3N that can be produced? 6 Li + N2 ---> 2 Li3Narrow_forward3.50 g of Li are combined with 3.50 g of N2. What is the maximum mass of Li3N that can be produced? 6 Li + N2 ---> 2 Li3Narrow_forward
- Concentration Trial1 Concentration of iodide solution (mA) 255.8 Concentration of thiosulfate solution (mM) 47.0 Concentration of hydrogen peroxide solution (mM) 110.1 Temperature of iodide solution ('C) 25.0 Volume of iodide solution (1) used (mL) 10.0 Volume of thiosulfate solution (5:03) used (mL) Volume of DI water used (mL) Volume of hydrogen peroxide solution (H₂O₂) used (mL) 1.0 2.5 7.5 Time (s) 16.9 Dark blue Observations Initial concentration of iodide in reaction (mA) Initial concentration of thiosulfate in reaction (mA) Initial concentration of hydrogen peroxide in reaction (mA) Initial Rate (mA's)arrow_forwardDraw the condensed or line-angle structure for an alkene with the formula C5H10. Note: Avoid selecting cis-/trans- isomers in this exercise. Draw two additional condensed or line-angle structures for alkenes with the formula C5H10. Record the name of the isomers in Data Table 1. Repeat steps for 2 cyclic isomers of C5H10arrow_forwardExplain why the following names of the structures are incorrect. CH2CH3 CH3-C=CH-CH2-CH3 a. 2-ethyl-2-pentene CH3 | CH3-CH-CH2-CH=CH2 b. 2-methyl-4-pentenearrow_forward
- Draw the line-angle formula of cis-2,3-dichloro-2-pentene. Then, draw the line-angle formula of trans-2,3-dichloro-2-pentene below. Draw the dash-wedge formula of cis-1,3-dimethylcyclohexane. Then, draw the dash-wedge formula of trans-1,3-dimethylcyclohexane below.arrow_forwardRecord the amounts measured and calculate the percent yield for Part 2 in the table below. Dicyclopentadiene measured in volume Cyclopentadiene measured in grams 0 Measured Calculated Mol Yield Mass (g) or Volume (mL) Mass (g) or Volume (ml) 0.6 2.955 Part 2 Measurements and Results Record the amounts measured and calculate the percent yield for Part 2 in the table below. 0.588 0.0044 2.868 0.0434 N/A Table view List view Measured Calculated Mol $ Yield Melting Point (C) Mass (g) or Volume (ml) Mass (g) or Volume (ml.) Cyclopentadiene 0.1 0.08 0.001189 measured in volume Maleic Anhydride 0.196 N/A cis-norbornene-5,6-endo- dicarboxylic anhydride 0.041 0.0002467 N/A N/A N/A 0.002 N/A N/A 128arrow_forwardDraw the condensed structural formula and line-angle formula for each: 2,3-dimethylheptane 3-bromo-2-pentanol 3-isopropyl-2-hexene 4-chlorobutanoic acidarrow_forward
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