Instructor: Doug Ohlendorf Paper title: Crystallographic and single-crystal spectral analysis of the peroxidase ferryl intermediate. Meharenna et al (2010) Biochemistry 49: 2984-6. Type your answers into the worksheet prior to the second class, and then edit a printed copy during the discussion. No loose sheets. Print double-sided or use a metal staple. Do NOT fold the corners. 1. What is the reaction catalyzed by CCP? Fe(III)-> Fe(IV)O/R•þ 2. What is (are) the cofactors
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Determining the Limiting Reactant and Percent Yield in a Precipitation Reaction Objectives: • Observe the reaction between solutions of sodium carbonate and calcium chloride. • Determine which of the reactants is the limiting reactant and which is the excess reactant. • Determine the theoretical mass of precipitate that should form. • Compare the actual mass with the theoretical mass of precipitate and calculate the percent yield. Materials: Balance 0.70 M sodium carbonate solution
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[pic] Chemistry 2423 Exam 2A [pic] O Cimene – refers toseveral isomeric compounds. The Ocimenes are monoterpenes found within varity of plants fruits. Instructor : Dr. Pahlavan ORGANIC CHEM 2423 EXAM # 2A Sample(Chapters 5,6, and7) Name:__________________ Score DIRECTIONS- Please
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Activity 4a: The nucleus, isotopes, and atomic mass 4.2, 4.3, 4.4 Activity 4b: The electrons and the shell model 4.2, 4.5-4.8 Unit 5: An introduction to ionic, covalent, and metallic bonding Activity 5: Conductivity and models of chemical bonding 3.4, 6.2-6.5 Unit 6: Exploring covalent compounds (molecules) Activity 6a: Molecules and lewis dot structures 6.5 Activity 6b: VSEPR theory and molecular shape 6.6 Activity 6c: Polarity, intermolecular forces
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Effect of a factor on the activity of an enzyme Research Question: How does pH effect the activity of the enzyme amylase and the hydrolysis of starch? Hypothesis: Amylase is an enzyme that acts on starch. pH is capable of altering the structure of the active site centre in the enzyme leading to denaturation. At each pH, the enzyme activity would be relatively different. Ideally the optimum pH is 6.0 when the enzyme works best and the fastest, however if the pH is higher or lower the hydrolysis
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CHEMISTRY 1. CHEMICAL SUBSTANCES Students should be able to: (a) Define the following terms: o Element o Mixture o Compound o Symbol o Formulae o Atom o Molecule (b) Distinguish between elements, mixtures and compounds and give examples of each; (c) Recall that some metals are reactive and others are not; (d) Demonstrate an understanding of the reactivity series; (e) Arrange metals in order of reactivity (Sodium, Calcium, Magnesium, Zinc, Iron, Copper, Silver and Gold);
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E-Z notation From Wikipedia, the free encyclopedia Jump to: navigation, search E-Z notation, or the E-Z convention, is the IUPAC preferred method of describing the stereochemistry of double bonds in organic chemistry. It is an extension of cis/trans notation that can be used to describe double bonds having three or four substituents. Following a set of defined rules (Cahn-Ingold-Prelog priority rules), each substituent on a double bond is assigned a priority. If the two groups of higher priority
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Unit C2, C2.1 Mark scheme Structure and bonding 1. (i) B or 2, 8, 1 for one mark 1 (ii) A or 2, 8 for one mark 1 [2] 2. (a) C16 H34 for one mark 1 (b) electron gains one mark 2 but shared electrons gains 2 marks [3] 3. (a) all electrons correct (inner shell need not be shown) three bond pairs and two electrons anywhere else can use dots, crosses or e’s in any combination 1 (b) covalent 1 accept phonetic spelling;
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Effect of Molecular Weight on the Rate of Diffusion Olive Kristianne C. Quicoy Group 4 Sec. Y-5L October 7, 2015 ------------------------------------------------- A scientific paper submitted in partial fulfillment of the requirements in General Biology 1 laboratory under Ma’am Joan Christine O. Adajar, 1st sem., 2015-2016 ABSTRACT The relationship of molecular weight and rate of diffusion was determined using three colored substances with different molecular weights, namely Potassium permanganate
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Although, when a person turns to using substances, it is a choice that is made by the person. When a person decides to use substance the person may have turned to a chemical substance to ease an emotional or physical pain, or explore as an experimental experience to discover alternative realities (Doweiko, 2015). When a person consumes a chemical substance the substance can then pass though the brain barrier, therefore, releasing the feel good endorphins in the brain to achieve a feeling of euphoria. However
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