CARBON COMPOUNDS CARBON COMPOUNDS Carbon forms many important compounds. Carbon Compounds are termed “organic” molecules because it was historically believed that they were derived from living things. CARBON COMPOUNDS Importance of Carbon – Organic Molecules – Energy – Materials (incl. Polymers) – Filtration Carbon – Modern Marvels http://www.youtube.com/watch?v=lF2CYnME1B4 Carbon : Chemistry of Living Things http://www.youtube.com/watch?v=JgNg5IQnGhM&feature=related CARBON COMPOUNDS Carbon compounds occur in the hydrosphere (ocean), atmosphere, lithosphere (crust) and biosphere (organisms) of the Earth. CARBON COMPOUNDS Carbon occurs in many different forms (called allotropes). a. Diamond b. Graphite c. Lonsdaleite (sim. diamond) d, e and f. Fullerenes g. Amorphous Carbon h. Carbon Nanotube CARBON COMPOUNDS Recall that carbon forms covalent bonds. This allows carbon to bond with itself and create the foundation for long-chained, branched and ringed molecules. Representing Carbon Molecules Ball & Stick Molecular Formula Structural Formula Condensed Formula C4H10 CARBON COMPOUNDS Compounds consisting only of carbon and hydrogen are known as hydrocarbons. CARBON COMPOUNDS Common Hydrocarbon Compounds Finding Oil http://www.youtube.com/watch?v=6_fEeHe8suE Petroleum Refining http://www.youtube.com/watch?v=jk0WrtA8_T8&feature=related http://www.youtube.com/watch?v=9xHqmjALVng&feature=related http://www.youtube.com/watch?v=8W8SW98-sXQ&feature=related CARBON COMPOUNDS The properties of hydrocarbon compounds are dependent on: • the number of carbon atoms, • the type of chemical bonds, and; • the arrangement of the atoms. Propane Boiling Point = - 40oC Butane Boiling Point = 0.5oC CARBON COMPOUNDS Hydrocarbon Structures Straight Chains Rings Branched* CARBON COMPOUNDS Hydrocarbon Structures Hydrocarbon compounds with the same molecular formula but different structural formulas are called Isomers. Two isomers of C4H10 Isomers of Hexane http://www.youtube.com/watch?v=qOhEJK4Umds CARBON COMPOUNDS Hydrocarbons are classified by their structures and types of chemical bonds. • Saturated: – Alkanes [ single bonds ] • Unsaturated: – Alkenes [ at least one double bond ] – Alkynes [ at least one triple bond ] – Cyclic or Aromatic [ ring structures ] CARBON COMPOUNDS Hydrocarbons Saturated Alkanes Unsaturated Alkenes Cyclic / Aromatic Alkynes CARBON COMPOUNDS Naming Hydrocarbon Compounds Hydrocarbon are named by identifying the number of carbons in the longest chain (using Latin prefixes) and adding the suffix that describes the molecular structure (i.e. ane for alkanes). # Carbons Prefix 1 meth 2 eth 3 prop 4 but 5 pent 6 hex 7 hept 8 oct 9 non 10 dec CARBON COMPOUNDS Naming Hydrocarbon Compounds Each type of hydrocarbon structure have specific elements to consider. 1. Straight Chains 2. Branched Hydrocarbons 3. Cyclic Hydrocarbons Naming First 10 Alkanes http://www.youtube.com/watch?v=W_BVFBujGN4&feature=fvsr CARBON COMPOUNDS Naming Straight-Chained Compounds CARBON COMPOUNDS Naming Branched Compounds When one of the hydrogens in a straight-chained hydrocarbon is replaced by a hydrocarbon group, it becomes a Branched Hydrocarbon. The substituted group it is called an alkyl group. It is named by changing the suffix to yl. Naming Alkanes (with Alkyl Groups) http://www.youtube.com/watch?v=KKAD-OOOHxg CARBON COMPOUNDS Naming Branched Compounds 1. Determine the number of carbons in the longest continuous chain to establish the root name. 2. Number the carbons in the longest chain beginning at the end with the closest alkyl group. 3. Identify the substitution group(s) by name and the number of the carbon to which they are attached. 4. Compile the name for the compound. – – – – The name will end in the root name determined in step 1. The name must also contain a number to identify the carbon location of each substitution group. List the substitution groups in alphabetical order. Use the prefixes, di, tri tetra, etc., if there are multiples of the same type of substitution group. CARBON COMPOUNDS Naming Branched Compounds CARBON COMPOUNDS Naming Cyclic Compounds 1. Identify the appropriate number of carbon atoms and precede it with Cyclo. 2. Follow the same process as naming branched hydrocarbons. CARBON COMPOUNDS Naming Cyclic Compounds Benzene is a special aromatic hydrocarbon. CARBON COMPOUNDS When a hydrogen is replaced by an atom or group of atoms it is called a substituted hydrocarbon. The substituted atom or group of atoms is called a functional group. CARBON COMPOUNDS Common Functional Groups CARBON COMPOUNDS Functional Groups https://www.youtube.com/watch?v=QWf2jcznLsY https://www.youtube.com/watch?v=dsCDieAZcs8 CARBON COMPOUNDS CARBON COMPOUNDS Examples of Substituted Hydrocarbons Alcohols CARBON COMPOUNDS Examples of Substituted Hydrocarbons Amino Acid CARBON COMPOUNDS Polymer – A large, carbon molecule that forms when many smaller molecules (called monomers) join together. Polymers http://www.youtube.com/watch?v=SgWgLioazSo CARBON COMPOUNDS Polymerization of Ethylene CARBON COMPOUNDS CARBON COMPOUNDS Polymerization of Vinyl Chloride CARBON COMPOUNDS Addition Polymerization Addition Polymerization – https://www.youtube.com/watch?v=3gpLM8UIA_w https://www.khanacademy.org/science/organic-chemistry/alkenes-alkynes/alkenereactions/v/polymerization-of-alkenes-with-acid CARBON COMPOUNDS Condensation Polymerization Condensation Polymerization - https://www.youtube.com/watch?v=VigpwmH7E3M CARBON COMPOUNDS Types of Polymers* Natural Carbs Cellulose Synthetic Amino Acid Rubber Nucleic Acid Polyethylene Nylon * Properties are dependent on the structure of the polymer (i.e. length/type of chain or ring) CARBON COMPOUNDS CARBON COMPOUNDS Natural Polymers CARBON COMPOUNDS Synthetic Polymers Natural Rubber https://www.youtube.com/watch?v=CKq42J7SaWw Rubber Tires https://www.youtube.com/watch?v=K474RYse9P8 Erasers https://www.youtube.com/watch?v=7Y0zaYitGcA Nylon http://www.youtube.com/watch?v=c7ihpZhCj6k Plastic Injection Molding https://m.youtube.com/watch?v=eUthHS3MTdA How it’s Made – Plastic Bags http://www.youtube.com/watch?v=8CfL5xl2N1Q How it’s Made – Plastic Bottles http://www.youtube.com/watch?v=ZfyPCujUPms CARBON COMPOUNDS Structure and Properties of Plastics TYPE STUCTURE PROPERTIES EXAMPLES High Density Polyethylene Linear Strong and Rigid Tupperware, Milk Jugs Low Density Polyethylene Branched Flexible Plastic bags Cross-Linked Chains linked w/other elements like sulfur Very Strong more links = stiffer Tubing Wire Insulation CARBON COMPOUNDS Properties of Plastics • Tensile Strength Amount of pulling force needed to break. • Bending Resistance Resistance to flexing. • Abrasion Resistance Resistance to scratching/rubbing. • Puncture Resistance Resistance to piercing. CARBON COMPOUNDS Properties of Plastics Properties http://www.youtube.com/watch?v=C5nX-w9WxNA Tensile Strength http://www.youtube.com/watch?v=rzgumWPB_zc http://www.youtube.com/watch?v=VgE7TaXuUqI Bending http://www.youtube.com/watch?v=rVVfFEz5jgM Motorcycle helmet impact testing http://www.youtube.com/watch?v=Y4_VgPDVeUA http://www.youtube.com/watch?v=dtRdMEoeQbc Milk Bottles http://www.youtube.com/watch?v=zSw-W3Tnlxk Engineering Disposable Diapers https://m.youtube.com/watch?feature=youtu.be&v=xYNX8y6lQMc CARBON COMPOUNDS Properties of Plastics – Secure Landfill CARBON COMPOUNDS Properties of Plastics – Secure Landfill CARBON COMPOUNDS Proposed Site for Landfill Proposed Site CARBON COMPOUNDS Properties of Plastics Impact Testing for Puncture Resistance CARBON COMPOUNDS Plastics – Environmental / Health Issues American cities produce approximately 640,000,000 kg of solid waste/day. [ = 1.6km2 x 3m deep ] What Happens to Plastic bottles . . https://www.youtube.com/watch?v=_6xlNyWPpB8 Mixed Recycling http://www.youtube.com/watch?v=TOpYa5OKGgY Plastic Bottles http://www.youtube.com/watch?v=TL_qH1ra7J0 Plastic Bags http://www.youtube.com/watch?v=Q6hzhKmw4EY CARBON COMPOUNDS Bisphenol A CARBON COMPOUNDS Unit Exam
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