Specific Heat Lab Objective: Find the specific heat of the unknown metal given using calorimetry. Background Theory: In every reaction‚ energy is transferred between a system and its environment. A system encompasses the substances that are involved in a reaction‚ and everything else in the universe other than the system is called the environment. The standard SI unit of energy is Joules (J). Temperature is the level of excitement of the atoms in a substance. In most cases‚ energy is
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possibility that it will only prevent him/her from committing a similar crime. A juvenile is set up to be punished by the state authorities’ knowing of their ordeal future misbehavior. An example of specific deterrence can be seen as the impact of the actual legal punishment on those who are apprehended. Specific deterrence can result from actual experiences with detection‚ prosecution‚ and punishment of
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ARGUMENTS VS EXPLANATIONS EXPLANATIONS An explanation is a group of statements that try to show how or why something is or will be the case. Specifically‚ we use an explanation when we try to explain what makes a claim true. The event or the phenomenon in question is usually accepted as a matter of fact. Explanations do NOT prove why something is the case. Every explanation is composed of two parts: The explanandum (a statement that describes the event that is supposed to be explained)‚ and
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ENC1102-0000 October 7‚ 2013 Breed Specific Discrimination Every day in the United States‚ there are innocent bystanders and cherubic children that are being ripped to shreds by pit bulls. Or at least that is what the media would have you believe. On average‚ it is believed that pit bulls kill 19 Americans per year. The real question that should be considered‚ but that usually is not‚ is exactly what is a “pit bull”? Generally speaking‚ when someone utters those two little words‚ the breed that
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Specific heat is the property of the material that an object is made of. The greater the material’s specific heat and the mass‚ the more energy must be added to change its temperature. The goals of this lab were to calculate the specific heat of water and compare to the known value of 4.19J/°Cg. Another goal was to calculate the efficiency of the hot pot used for the experiment and to estimate the cost to heat water for a cup of tea and to bath in a bathtub. The thermal energy E= cm Δ T‚ required
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Experiment No. 3: Specific Gravity ABSTRACT : Determination of specific gravity is very essential in our study because it is commonly used in industry as a simple means of obtaining information about the concentration of solutions of various materials such as brines‚ sugar solutions and acids. There are many apparatuses that can be used to determine specific gravity depending on the material to be measured. The objectives of this experiment is to make acquainted the different instruments used
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reading and evaluating six articles written by experts on obesity‚ the data seems to imply that better educating people about how their behavioral lifestyle choices effect their future and current health is the best solution. The six journal articles evaluated and analyzed include: David Freedman’s article‚ “How to Fix the Obesity Epidemic‚” published in Scientific American in 2011. Green Gregory’s article‚ “Physical Activity and Childhood Obesity: Strategies and Solutions for Schools and Parents‚” published
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Variable Causes of Childhood Obesity Can childhood obesity be eradicated by diet and exercise alone? While this question may cause some to ponder‚ many will undoubtedly say yes. Yet‚ when we consider that childhood obesity is at epidemic levels worldwide‚ the answer should cause us to proceed unbiased and with great thought. The assumption that high caloric diets and sedentary lifestyles is the only road to obesity is a misconception. Social Cognitive Theorist Albert Bandura defines
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Marybeth Brooks Physics Lab III Specific Heat Capacity Lab May 25‚ 2011 Abstract The specific heat capacity of various metals can be calculated and compared to accepted literature values. Dropping heated metal samples into a calorimeter filled with water and then measuring the change in the temperature of the system accomplished this. The metal samples were heated in a boiling water bath and were assumed to be at 100 C when they were removed. It was added to a calorimeter and stirrer
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Specific Heat of a Metal Post-Lab I. Purpose The purpose of this lab is to determine the specific heat of an unknown metal. II. Safety Wear goggles and lab apron at all times. Use caution when boiling water. Do not pick up hot beaker or hot metal with hands. Use tongs. III. Pre-Lab Questions 1. A 12.5 g metal is raised to 100C in boiling water. It is put into 82.8 g of water at 22.4C‚ and the water rises to 28.6C. Recalling that the specific heat of water is 4.18J/gC‚ use the equation above
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