Abstract……………………………………………………………………………………………2 Introduction………………………………………………………………………………………..2 Background………………………………………………………………………………..2 Objectives…………………………………………………………………………………2 Scope………………………………………………………………………………………3 Theory review……………………………………………………………………………………..3 Design of report…………………………………………………………………………………...5 Procedures…………………………………………………………………………………………5 Results……………………………………………………………………………………………..6 Discussion…………………………………………………………………………………………6 Conclusion………………………………………………………………………………………...7 Reference………………………………………………………………………………………
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Investigation Investigate the amount of heat evolved when magnesium reacts with dilute acids. Planning What I am going to do I am going to find out how much heat is given out when magnesium reacts with a variety of dilute acids. In order to make comparisons between the acids‚ I shall use my results to work out how much heat would be given out if 1 mole of magnesium reacted with an excess of each acid. The acids I shall use are hydrochloric acid‚ sulphuric acid‚ nitric acid and ethanoic acid
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1. Start off by weighing two paracetamol tablets using some accurate scales. Record the mass down (1.15g). This had to be as accurate and precise as we could get it so we had the correct weight to start the experiment. Without this then the results we found at the end would not be accurate. A problem that could be faced with this is that the scales may not have been fully set to zero. Also it takes time for it to fully reach its weight on the reading so you may move them too quick before the right
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The bone sample has been soaking in vinegar with a pH of about 3.0 for a little over a week. The exterior of the bone remained intact the entire time. Once I removed the bone‚ I realized that the interior integrity of the bone was compromised. Now that the bone was exposed to the acid for such a long period of time‚ it was more flexible. The reason the long bone became so bendable is because the bone is largely made up of calcium salts. The vinegar broke the calcium phosphate down‚ leaving only collagen
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References: http://webs.mn.catholic.edu.au/physics/emery/measurement.htm#Measurement http://www.digipac.ca/chemical/sigfigs/experimental_errors.htm http://www.tsb.gc.ca/eng/rapports-reports/rail/2011/r11v0057/r11v0057.pdf
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City University of Hong Kong Dept. of Physics & Materials Science AP2104 Mechanics of Solids Laboratory Manual Experiment 1 Pure Bending of a Beam Experiment 2 Torsional Deformations Experiment 3 Yield Criteria for Ductile Materials under Plane Stresses Experiment 1 Pure Bending of a Beam Objective 1. To examine the stresses at various positions of the beam under a constant load of pure bending. 2. To determine the curvature of deflection of the beam. Introduction
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EXPERIMENT 1: TITLE: ISOMERISM AND KINETICS IN COORDINATION CHEMISTRY OBJECTIVE: 1. To prepare and study the kinetics of the interconversion of some of the isomers of a typical coordination compound. INTRODUCTION: Isomerism played a central role to establish the basic concept in coordination chemistry while reaction kinetics of coordination compound is known as the area of continuing intense research activity. The mechanism of the reactions of coordination compounds relevance
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AP-2 Lab 02 – Lab Report Name: Lab Report: Exercise 2: Blood Purpose: Explain why you did this lab and what if any safety precautions needed to be followed. This lab was done to learn about blood on a micro and macroscopic level. There are safety concerns when using bodily fluids. Gloves were needed and caution with the use of the lancet was important‚ which included keeping it sterile. Activity 1: Observing Your Own Blood Observations: Sketch and describe what you
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most often effective in producing photochemical change. The light required for a photochemical reaction may come from many sources. Giacomo Ciamician‚ regarded as the "father of organic photochemistry"‚ used sunlight for much of his research at the University of Bologna in the early 1900’s. One of the oldest and most studied photochemical reactions is the photoreduction of benzophenone (diphenyl ketone). It was discovered that solutions of benzophenone are unstable to light when certain solvents
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Miguel Paulo D. Valdez BS Chem-3 EXPERIMENT 14- Heat Effects and Calorimetry Objective/ Introduction: Heat is a form of energy‚ sometimes called thermal energy‚ which can pass spontaneously from an object at a high temperature to an object at a lower temperature. If the two objects are in contact‚ they will‚ given sufficient time‚ both reach the same temperature. Heat always travels from hot to cold objects and two objects will reach an equilibrium temperature. Heat flow is commonly measured
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