its temperature remains constant until it is completely frozen. However‚ in order to melt a substance must go through a energy change‚ creating the problem‚ “What energy changes occur when a liquid solidifies?”. To solve the problem‚ a hypothesis was proposed‚ stating “When a substance begins to solidify‚ it releases heat energy‚ because a substance
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This play was very confusing to me; it took me a while to understand it. I read it twice from beginning to end. In the reading‚ I noticed how Huckleberry Finns’ personality changed‚ and did a total 360. Even I was confused‚ I didn’t think he had it in him. However‚ I will express in the paper when and why Huckleberry decided to make this change. Huckleberry Finn was a mean‚ non-responsible young little boy that continuously lied all the time. Later on‚ in the novel he morphs into a man of respect
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(4 pages max.) Experiment title: How Do We Identify an Unknown Substance? Guiding questions: State the question or questions that that you were trying to answer in this lab. How do you determine the two unknown types of plastic? What are the two unknown plastics? Safety considerations: Briefly describe the safety measures you had to take to perform the experiments. Before entering the lab‚ I put on my lab coat and practiced using my goggles in case of any spills or splashes
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Why do you think you are suitable for this role? Briefly outline your relevant skills and experience and how they are relevant to the role. 200 words I am currently studying for a degree on a full time in Business Administration in Finance in the University of Greenwich. I can say that I have several skills that will be useful in area Finance/Accountancy Placement and HR Placement. I have excellent knowledge in technology‚ as well as I possess Diploma in IT skills PROFICIENCY in Excel‚ Word‚ PowerPoint
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The milgram experiment. The three people involved were: the one running the experiment‚ the subject of the experiment a volunteer‚ and a person pretending to be a volunteer. These three persons fill three distinct roles: the Experimenter an authoritative role‚ the Teacher a role intended to obey the orders of the Experimenter‚ and the Learner the recipient of stimulus from the Teacher. The subject and the actor both drew slips of paper to determine their roles‚ but unknown to the subject‚ both slips
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Discussion Our experiment is divided into 9 parts: A. Effect of Nature of Reactants to the reaction rate. B. Effect of Temperature to the reaction C. Effect of Concentration to the Reaction Rate D. Effect of Catalyst to the Reaction Rate E. Chromate-Dichromate Equilibrium F. Thiocyanatoiron (III) Complex Ion Equilibrium G. Weak Acid Equilibrium (Ionization of Acetic Acid) H. Weak Base Equilibrium Ionization of Ammonia I. Saturated Salt (Sodium Chloride) Equilibrium On part (A) we are
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Chemical Equilirium _________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ DISCUSSION Chemical equilibrium and its different applications were studied in this experiment. The Le Chatelier’s principle‚ which is the main principle behind chemical equilibrium‚ states that‚ “If an external stress is applied to a system
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responsible for helping society in any way they can. To what extent do you agree with this comment? Write an essay discussing your views and substantiating your arguments with reference to examples in different contexts. | | The incident of blood therapy death due to improper blood transfusion in a beauty centre‚ has stirred up lots of discussion on social responsibility. I agree that businesses are under obligation to help society to a large extent. This is because businesses are
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from wood‚ a chemical pulping process separates lignin from cellulose fibers. This is accomplished by dissolving lignin in a cooking liquor‚ so that it may be washed from the cellulose fibers. This preserves the length of the cellulose fibers. Paper made from chemical pulps are also known as wood-free papers–not to be confused with tree-free paper. This is because they do not contain lignin‚ which deteriorates over time. The pulp can also be bleached to produce white paper‚ but this consumes 5% of
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04/02/14 Date Submitted: 04/15/14 Name: Lisa Jacoby Title: Physical and Chemical Properties Purpose: Investigating the chemical properties of pure chemical substances as well as exploring the physical properties of pure chemical substances Procedure: 1. I half-filled one well of a 24-well plate with 6M HCl and half-filled a second well of the 24-well plate with 6 M NaOH. I then sucked up these chemicals into their labeled pipets. I then set aside for later 2. I performed the following
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