solution (5-9 moldm-3) Materials / Equipment: Potato Cock Borer Test tube Knife Pipette Boiling tube Delivery tube Stopwatch Method: 1. 5.0cm3 of 2.0moldm-3 hydrogen peroxide solution is poured into tube 1. The bug is placed and followed by water to tube 2 to the depth indicated in figure below. 2. Using a sharp knife and ruler‚ 10 pieces of 1mm thick disc of potato are cut. 3.
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FINS3630 Data Exercise (Group Project 1) S2‚ 2013 Lixiong Guo Due Date: Due in tutorial in Week 5 In this data exercise‚ you and your group members will examine the performance of the Expectation Hypothesis using real data and make forecasts for the future. You are required to complete the following tasks to earn credits for this assignment. Part I: (1) Go to the Reserve Bank of Australia (RBA) website‚ find the statistic section‚ and then download the data file named “Zero-Coupon Interest
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presence of H2SO4‚ H3PO4‚ P2O5‚ Al2O3 or BF3 undergo loss of water molecule with the formation of alkene. Conc. H2SO4 180oC H3PO4/P2O5 200oC Al2O3/BF3 350oC CH3-CH=CH2 + H2O CH3-CH2-CH2-OH CH3-CH=CH2 + H2O CH3-CH=CH2 + H2O u u Mechanism: In the first step OH group of the alcohol is protonated in a fast reversible reaction. Unlike OH group‚ protonated OH group is a good leaving group. Step 1: CH3 CH3-C-CH3 + H+ HO CH3 CH3-C-CH3 H2O+ Fast u u In the second step‚ water molecule
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The Chemistry in Chili For my 2018 Chef Speciality project I will be explaining the chemistry included while cooking chili. Chili is a commonly cooked and served dish and is widely enjoyed across the whole nation. The chili recipe that I will be using includes 2lbs of extra lean ground turkey‚ ½ cup of chopped onions‚ 1 tbsp. Garlic powder‚ 3 oz of diced green chilies‚ 10 oz of can tri- bean blend (drained)‚ 10 oz can organic black beans (Drained) 10 oz of organic diced tomato‚ 1 tbsp. Xylitol
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sense of empathy about‚ a sense of rage and a feeling of helplessness. I will be exploring what women studies is all about and what I have gotten out of the reading assignments for this class over this semester. This paper will be a summary of the key points in the readings of this class that left a mark on my mind and which have shaped my life going forward one way or the other. Wexler in his paper “Shame-o-phobia” describes a research study done with three groups of men to determine masculinity. These
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Chapter 1 Introduction to Capital Market 1. Capital Market Capital markets are financial markets for the buying and selling of long-term debt- or equity-backed securities over one year is traded. Security includes- shares‚ debentures‚ bonds etc. A key division within the capital markets is between the primary markets and secondary markets. In primary markets‚ new stock or bond issues are sold to investors‚ often via a mechanism known as underwriting. The main entities seeking to raise
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Assessment 1) Describe the difference between ionic and covalent bond. Ionic bonds have electrostatic forces that hold cations and anions together‚ and are electronic neutral. Covalent bonds are bonds that don’t give or take any electrons. In stead they share the elctrons 50) Which of these compounds contain elements that do not follow the octet rule? Explain. a) NF3: 5 + (7*3) = 26 b) PCl2F3: 5 + (7*2) + (7*3) = 40 c) SF4: 6 + (7 *4) = 24 d) SCl2: 6 + (7*2) = 20 The answer is “d”
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1. In the 17th century two people who thought that children should be treated with thought and care were: a. Locke and Rousseau b. Rogers and Maslow c. Dixon and Binet d. Freud and Freud 2. Adults may underestimate children’s ability to: a. Learn b. Problem-solve c. Recognize reality d. All of the above 3. Family conditions that promote resilience include: a. few alternative caretakers. b. older mothers for resilient males. c. opportunities to participate d. a strong sense of political commitment
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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CH213. Physical Chemistry II. Final Exam Your Name: Your Student Number: 110 Normal Points + 10 Bonus Points If you get 110 points out of 120 points‚ you will get the full 40% assigned to the midterm exam. Your scores 1) 2) 3) 4) 5) 6) Total: out of 25 out of 20 out of 20 out of 15 out of 20 out of 20 out of 120 * All the problems are connected. In other words‚ to solve the problem‚ you may need the information and/or answers given in other problems. All necessary information is basically
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