distinct from other branches‚ such as inorganic and physical chemistry. It can be described as the chemistry living processes (often referred to as biochemistry) but extends beyond that. It focuses almost entirely on the chemistry of covalently bonded carbon molecules and as well as life processes‚ it includes the chemistry of other types of compounds‚ including plastics‚ petrochemicals‚ drugs and paint. The early chemists didn’t think they would ever be able to make the sort of chemicals involved
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NANOTECHNOLOGY the Future of Architecture What is Nanotechnology? And how it serves in the improving progress of architecture? Nanotechnology is the engineering of functional systems at the molecular scale. This covers both current work and concepts that are more advanced. In its original sense‚ ’nanotechnology’ refers to the projected ability to construct items from the bottom up‚ using techniques and tools being developed today to make complete‚ high performance products. Nano technology
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Associate Program Material Levels of Life Worksheet Complete all three parts of this worksheet. Part I: Atomic Structure – Fill in the missing information on atomic structure and organic compounds. |Atomic Structure | |Subatomic Particle |Charge |Location in an Atom
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renewable and nonrenewable energy resources including cost‚ environmental effects‚ and availability. Lesson 08.05: Carbon Chemistry · Define and compare inorganic and organic chemistry. · Compare diamonds and graphite in terms of bonding and properties. · Describe the properties of the carbon atom that allow it to form such a wide variety of compounds. · Identify the basic steps in the carbon cycle. · Describe and identify the functional groups
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reaction due to the electron-rich site at the double bond‚ which results in bromine acting as an electrophile. In this reaction‚ the cinnamic acid reacts as an alkene. Alkenes are unsaturated hydrocarbons with a carbon-carbon double bond. In a double bond‚ a pair of electrons lies between the carbon atoms in a σ bond and the other pair of shared electrons lie above and below the plane in a π bond. This electron rich area of the molecule is fairly exposed for electrophilic attack. An electrophile is a species
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bond between a metal and a carbon. There are three types of carbon-metal bonds: ionic‚ polar covalent‚ and covalent. The ionic bonded compounds (example: RNa) have a weak bond between the carbon and the metal‚ and are therefore not useful because they are so volatile‚ and they will react with nearly anything. The covalent bonded compounds (example: R2Pb) are toxic. The compounds that are polar covalent bonded are Grignard reagents and are useful in making carbon-carbon bonds and reducing carbonyls
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elements and compounds; name the most abundant elements in the human body if water is included; name some that are crucial but less abundant An element is a pure substance that can’t be broken up A compound consists of two or more different elements Carbon‚ Hydrogen‚ Oxygen‚ and Nitrogen are the most abundant elements Iron and Iodine are crucial but less abundant Distinguish between ionic bonds‚ covalent bonds (how are nonpolar and polar covalent bonds different)‚ and hydrogen bonds‚ noting their
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effectively is known as ________. 8. Using the rules for chemical notation‚ write the molecular formula for gkucoze‚ a compound composed of 6 carbons atoms‚ 12 hydrogen atoms and 6 oxygen atoms. 9. Indetify and describe three types of chemical reactions important to human physiology. 10. In cells‚ glucose‚ a six-carbon molecule‚ is converted into two thee-carbon molecules by a reaction that releases energy. How woud you classify this reaction? 11. What is an enzyme? 12. Why are enzymes needed in our
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substances: Organic compounds – are compounds that contain carbon and were originally made by living things e.g. carbohydrates‚ lipids‚ proteins‚ nucleic acids Inorganic compounds – are compounds do not contain carbon as a main element Organic compounds | Composition | Function | Proteins | Carbon‚ hydrogen‚ oxygen and nitrogen | Used in the structure‚ storage‚ movement and transport of cells for growth and repair. | Lipids | Carbon‚ hydrogen and oxygen | Stores energy but is more difficult
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NATIONAL DIPLOMA IN ENGINEERING UNIT 10 – PROPERTIES AND APPLICATIONS OF ENGINEERING MATERIALS ASSIGNMENT 1: Structures and Properties of Engineering Materials. Special attention should be paid to the Grading Criteria‚ as this will influence the way you answer each of the tasks. For each question all tasks need to be answered correctly to achieve the relevant criteria. Question 1: (P1) With the aid of clear‚ annotated diagrams‚ describe the structure associated with the following engineering
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