CHEM/ENCH 212 EXPERIMENT II: KINETICS OF NUCLEOPHILIC SUBSTITUTION DATE OF SUBMISSION: Table of Contents Experimental Table : Hazardous properties of chemicals used in the experiment.[1] Acetone Irritant. Do not inhale vapors. Highly flammable. 2 chloro‚ 2 methyl propane Flammable. Equipment 1. Conductivity probe 2. Constant temperature water circulation bath 3. Stir-plate with stirring magnets
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Mastering Concepts 2.1 1. Which chemical elements do organisms require in large amounts? Carbon‚ oxygen‚ hydrogen‚ nitrogen‚ sulfur‚ and phosphorus are the chemical elements that organisms require in large amounts. 2. Where in an atom are protons‚ neutrons‚ and electrons located? An atom’s protons and neutrons are in its nucleus. A cloud of electrons surrounds the nucleus. 3. What does an element’s atomic number indicate? An atom’s atomic number indicates the number of protons in its nucleus
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of the sodium salt of benzene sulfonic acid‚ by the Dow process‚ and by the air oxidation of cumene. Each of these processes is described below. You can also prepare small amounts of phenol by the peroxide oxidation of phenylboronic acid and the hydrolysis of diazonium salts. Pyrolysis of sodium benzene sulfonate In this process‚ benzene sulfonic acid is reacted with aqueous sodium hydroxide. The resulting salt is mixed with solid sodium hydroxide and fused at a high temperature. The product of
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BIO100 Biology Concepts Lab 2: Biochemical Analysis Dec 12 2014 | Logged in as : MAV2020753 Introduction Assessment Feedback Thank you for your participation in this assignment. Your work has been submitted to your instructor. Total score: 25 out of 100‚ 25% Question Feedback Question 1 of 20 The subatomic particles that play the greatest role in cellular chemical reactions are electrons. protons. neutrons. isotopes. 0 out of 5 The correct answer is: electrons. Question 2 of 20 The
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Epimysium- covers the entire muscle Perimysium- covers..? Endomysium- covers the individual muscle fibers Sarcomere- smallest contractile element of muscle fiber‚ extends from z-line to z-line Myofilament- responsible for contraction Striated- the color variations on the muscle fiber. Has to do with the amount of protein and the way it reflects light. Myosin- globular protein Bulb like heads come in contact with the active sites on actin Active sites are not exposed when in the resting position
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which only select particles can enter the active site. For example‚ the enzyme amylase is only able to break down starch polymers. Changing the shape of an enzyme renders it useless. In this experiment‚ every group but the Popbeads group conducted a hydrolysis reaction. The Popbeads represented a condensation reaction. This is because every group but the Popbeads simulated a polymer (toothpick) being broken down. The Popbeads polymers were instead put together‚ creating a condensation reaction. An example
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PHYSIOLOGIC VALUE OF FOOD Organic compounds * Protein * Lipids * Carbohydrates * Vitamins Inorganic elements * Water * Minerals Vit & min * Act as a catalysts which prompt the 3 major nutrients –carbohydrates ‚ protein‚fats METABOLISM * “Metabolismos”-to change or alter * Chemical process of transforming foods into complex tissue elements and of transforming complex body substance into simpler ones‚ along with the production of heat energy * Is the totality of the
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Nischal K. Karki William Carey University BIO 470 Cell Physiology Dr. Douglas Lipka Abstract Dynein is an ATPase from ATP associated with various cell activities family. Cytoplasmic dynein transports various materials from outside the cell to the center body. It is one of the few proteins that can convert the chemical energy of ATP into mechanical. It is a massive macro molecule that is involved with the movement of various organelles within the cell. It is also involved with the movement
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Enzyme Assignment Research SBI4U Test A2 Table of Contents 1. What are the function roles and biological significance of the enzyme? Trypsin is part of the digestive system and degrades proteins‚ making it an enzyme known as protease. [1] It is one of the three principal digestive proteinases‚ the other two being pepsin and chymotrypsin. [9] Trypsin primarily hydrolyses peptides into smaller building-blocks‚ mainly amino acids (these peptides are the result of
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Enzyme Activity Lab Hypothesis: 1] Are enzymes reusable? Yes‚ enzymes are reusable. 2] Which of the following do you think contain catalase? [Manganese dioxide‚ chicken meat‚ apple‚ carrot‚ potato‚ or chicken liver] I think that the manganese dioxide‚ apple‚ and carrot contain the catalase. 3] Would grinding the materials affect enzyme activity? I think that grinding the materials will increase enzyme activity. 4] Would temperature affect enzyme activity? I think that
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