Interpretation:
The reason for the use of polyethylene in the concrete foundation needs to be explained.
Concept Introduction:
Based on type of polymers, polymerization reaction can be of two types; addition polymerization and condensation polymerization. The addition polymerization occurs between monomer units with unsaturated bonds between carbon atoms. For example; polymerization of
Condensation polymerization occurs with those monomers which have some functional groups like −OH, -COOH, -NH2 etc. These polymerizations occur with elimination of small molecules such as H2O, CO, and CO2 etc.
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CONNECT IA GENERAL ORGANIC&BIO CHEMISTRY
- What are aromatic hydrocarbons? Benzene exhibits resonance. Explain. What are the bond angles in benzene? Give a detailed description of the bonding in benzene. The electrons in benzene are delocalized, while the electrons in simple alkenes and alkynes are localized. Explain the difference.arrow_forwardWhat is the difference in bonding and in the general molecular formula between an alkene and an alkane with the same number of carbon atoms?arrow_forwardHow does the structure of a cycloalkane differ from that of a straight-chain or branched-chain alkane?arrow_forward
- As stated in Section 11-9, the wax found in apple skins is an unbranched alkane with the molecular formula C^H^. Explain how the presence of this alkane in apple skins prevents the loss of moisture from within the apple.arrow_forwardSummarize the nomenclature rules for alkanes, alkenes, alkynes, and aromatic compounds. Correct the following false statements regarding nomenclature of hydrocarbons. a. The root name for a hydrocarbon is based on the shortest continuous chain of carbon atoms. b. The suffix used to name all hydrocarbons is -ane. c. Substituent groups are numbered so as to give the largest numbers possible. d. No number is required to indicate the positions of double or triple bonds in alkenes and alkynes. e. Substituent groups get the lowest number possible in alkenes and alkynes. f. The ortho- term in aromatic hydrocarbons indicates the presence of two substituent groups bonded to carbon- 1 and carbon-3 in benzene.arrow_forwardOrganic compounds may have characteristic odors as well as other characteristic physical properties. For example, the distinct odor of the seashore at low tide results in part from the presence of dimethyl sulfide (CH3SCH3), a molecule with a similar structure to dimethyl ether (CH3OCH3). Ethanethiol (CH3CH2SH), also called mercaptan, is an isomer of dimethyl sulfide with a much less pleasant odor.The table lists four related compounds and their enthalpies of vaporization (ΔH°vap) in kJ/mol. Compound ΔH°vap (kJ/mol) CH3OCH3 23 CH3SCH3 28 CH3CH2SH 27.5 CH3CH2OH 42 Rank the following compounds in order of increasing strength of their intermolecular forces, given the ΔH°vap listed for each. Place the compound with the strongest intermolecular forces (IMFs) at the top of the list. (Strongest to weaknest). Why is ΔHºvap for CH3SCH3 greater than ΔHºvap for CH3OCH3? A. CH3OCH3 is more polar. B. CH3SCH3 has stronger dipole–dipole attractions. C. CH3OCH3 can form…arrow_forward
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- In a recent year, 4.37 billion kilograms of low-density polyethylene was produced in the United States. What volume of gaseous ethene at 0°C and 1.00 atm would give this amount?arrow_forwardDefine Polyethylene ?arrow_forward1. What is formed when a halogen molecule replaces hydrogen molecule(s) in an aromatic hydrocarbon? 2. What is formed when hydrogen molecules are replaced in an aliphatic hydrocarbon by halogen molecules? 3. What are a class of chemical compounds containing a hydroxyl group (-OH) bonded directly to an aromatic hydrocarbon group (like benzene)? 4. used to test for the presence of aromatic compounds in alcohols? 5. The dehydration of alcohols in the formation of ethers happens at _________.arrow_forward
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