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Free research essays on topics related to: lab

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  • Paddle Pop Stick 2 Co 3 Flame
    663 words
    Experiments to determine the identity of metals by examining the colour of flame when samples of that metal are heated. The aim of this experiment was to find out whether different metals had different reactions when subjected to the flame of the Bunsen burner. This might then allow the classification and identification of certain metals if they have their own reactions, which will be different coloured flames for this experiment. It was hard for me to predict what would occur during the experim...
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  • Sodium Hydroxide Universal Indicator
    854 words
    Experiments to Determine the Effect of Acids & Bases on Different Indicators and the pH of Common Cleaning Agents The aim of the first set of experiments is to find out and record the colour changes that are observed after a certain indicator is mixed with acids and bases to form a colour reaction. Once the selected indicator has been mixed with a acid that is both weak and strong and a base / alkali that is both weak and strong we are to record the colour and choose another indicator. The purpo...
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  • Human Race Time Travel
    1,017 words
    The sweat hung heavy on Steven's cold features. He was walking as calmly as he could down the corridor. Given the chance he may have been described as handsome, but none gave him the chance and Steven didn't really want them to. He was keeping a close eye on the shadows that covered every doorway, as people who were less fortunate than him often lurked there waiting for someone to mug. Who would have thought that the Human race would have come to this? Locked in an intergalactic war that had las...
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  • Animal Rights Activists Pet Owners
    1,198 words
    ISSUE: For the most part, we would not be able to live very comfortably without them. The question of what is considered proper treatment of animals has been highly debated by groups looking at both the moral and ethical issues of the situation. What exactly is our proper role with regard to non-human creatures? Do they have any rights, or may we do as we please with them? These are questions that politicians all over the world have been arguing about for many years, and still is as controversia...
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  • Kid Nobody Could Handle George Is Determined Music
    728 words
    In the short story, The Kid Nobody Could Handle, by Kurt Vonnegut, the main character of the story is George Helmholtz. He lives in a small town with his wife, is the head of the music department at the local high school and the director of the band. He is the most important person in the story because he is the only one, not psychiatrists, and foster parents, to make a difference in Jims life. Throughout the story, George is determined and hopeful, lonely, and fixated with the beauty of music. ...
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  • Animal Testing In The Cosmetic Industry
    1,044 words
    Dr. Frank Meehan picked up Charlie, the frail brown monkey and placed him into what would soon be his coffin. Charlie was screaming hysterically almost knowing that his time had come in the small research laboratory for a common cleaner product. Charlie had seen many of the other animals die the same agonizing death that he envisioned himself to be receiving soon. What would it be this time? Pumping the cleaner into his stomach or pouring it directly on his skin to study the burning of tissue? P...
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  • Violent Video Games Mri Scans
    1,210 words
    Psychological Reasoning Is Media Violence Harmful to Children? Media violence is getting more attention now than ever, as a precursor to children becoming violent teens and adults. Does watching a violent cartoon before school in the morning influence children to go to school and show violence toward their peers? The verdict seems to still be out on this issue. Some studies show children can differentiate between cartoon violence and violent shows depicting real people such as research by Deakin...
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  • Trials Were Performed Highest Value Was Recorded Spirometer
    798 words
    The purpose of the lab that was completed was to determine the validity and reliability of an electronic spirometer, using a water spirometer as a reference. Calibration is an important tool in determining whether or not an instrument is valid and reliable. The validity of an instrument is the extent to which a procedure accomplishes what it seeks out to accomplish. Validity can be determined by checking an instrument against another similar instrument. From the tests run between the two instrum...
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  • Making Attendance Mandatory Taught In Class Students
    1,027 words
    MIS 304 is not a class for everyone. Not just any student should take the class. This class is structured to assist students in learning how to program using the Java language. This class does not make a student an expert in the language of Java, but instead gives the student the basic fundamentals needed to have practical use of the language and gives them a solid foundation upon which they can build if they choose to do so. The material covered in the class is adequate. Java can be a complex l...
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  • Grassy Knoll Kennedys Assassination
    1,237 words
    ... et that wounded Kennedy wasnt the same one that responsible for his wounds. A FBI supplementary report states that the bullet that entered Kennedys back had penetrated to less than a finger length. If this is true, how can the bullet have exited from the front of his neck? There are of course other facts that warp this theory such as the fact that the bullet was mysteriously found on a hospital stretcher in pristine condition. Yet the bullet should have been out of shape and showing signs of...
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  • The Laws Of Invisible Things
    883 words
    THE LAWS OF INVISIBLE THINGS One of the limitations of much modern fiction is the fact that its authors spend so much of their lives sitting alone in a room. Thus fiction fashioned by practitioners of another profession can be refreshing for the information and insights that experience outside a book-lined room provides. Frank Huyler is a medical doctor, and his first novel, The Laws of Invisible Things, benefits enormously from combining familiarity with medicine with a fine writers perceptiven...
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  • Formula For Silver Oxide 1 75 Grams Crucible
    282 words
    Sliver Oxide Lab Purpose: To find the chemical formula for Silver Oxide and to improve students skills with lab equipment. Hazards: Heat/FlameMidly hazardous chemicals Materials: Small Crucible and means of suspending it above a flameBunson Burner Accurate scale in gramsTongsProcedure: Place the crucible on your scale and record its weight when empty. Next, place approximately 1. 75 grams of silver oxide into the crucible, you do not have to be exactly on 1. 75 grams, but being within a tenth of...
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  • H 2 O Value Of N Method
    494 words
    Complex Ion Composition By Jobs Method By Kelly Miller Smith, III Inorganic Chemistry Dr. Virgil Payne 1: 00 lab Objective The objective of this experiment is to study the continuous variations method that is used to determine the composition of the solution Ni 2 + ethylene diamine complexes. Background To examine the interaction between two molecules in solution without isolating the compound Jobs method is used. Although unstable compounds tend to be generated, this is not a reflection of weak...
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  • Solar And Lunar Eclipses Phases Of The Moon Earth
    444 words
    Title: Phases and Eclipses of the Moon Purpose: The purpose of this lab is to demonstrate the different phases of the moon during its revolution around the earth and also to display solar and lunar eclipses. Hypothesis: I think that by following the procedure, I will successfully complete this lab in showing the phases of the moon throughout its revolution and the solar and lunar eclipses because I am moving the moon correctly. Independent variable: Movement of the moon Dependent variable: Phase...
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  • Parts Of The Body Nitric Oxide
    1,250 words
    Expansion On The Recent Discoveries Concerning Nitric Expansion On The Recent Discoveries Concerning Nitric Oxide Expansion on the Recent Discoveries Concerning Nitric Oxide as presented by Dr. Jack R. Lancaster Nitric Oxide, or NO, its chemical representation, was until recently not considered to be of any benefit to the life processes of animals, much less human beings. However, studies have proven that this simple compound had an abundance of uses in the body, ranging from the nervous system ...
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  • Risk Of Developing Clinical Trials
    1,126 words
    Obesity drug Famoxin gives Genset shot in the arm By Noah Barkin PARIS, Feb 6 (Reuters) Investors scrambled to buy shares in French biotechnology firm Genset GENX. LN on Tuesday after the company announced pre-clinical tests showed its anti-obesity drug Famoxin was effective in treating laboratory mice. Genset said its star drug, for which it now plans to begin human clinical trials at the end of the year, had caused obese laboratory mice to lose weight without a change in their diet. The findin...
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  • Invasion Of Privacy Drug Testing
    1,333 words
    As widespread drug use is on the rise, many employers have begun to worry about the performance of their employees. Absenteeism, injuries, loss of productivity, employee morale, theft and fatalities are just some of the causes of drug use in the workplace. The idea of drug testing among workers has developed from society's concern over a perceived increase in the use of drugs and the relation between drug use and impairment, with resultant risks to the worker, fellow workers and the public. As e...
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  • 20 G 5 Ml
    370 words
    Vlad Shvorin FCAs 10 / 15 / 01 1. Use of Scientific Terms 2. Use of significant figures. 3. Content The purpose of this lab is to find the difference between pennies made before and after 1982. This lab includes seven steps, they re listed below Using a balance, determine the mass of 20 pre- 1982 pennies. 2) Repeat Step 1, except use 20 post- 1982 pennies this time. 3) Pour 50 ml of water into a graduated cylinder and put the pre- 1982 pennies in. Find the volume of pennies and do it twice more ...
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  • Nuclear Test Ban Treaty Kennedy Announced
    1,408 words
    Faced with the problem of choosing a career, Kennedy worked for several months in 1945 as a reporter for the Hearst newspapers, covering the conference at San Francisco that established the United Nations. There he noted the belligerent Russian attitude. Ultimately he decided on a political career and returned to Boston. In so choosing, he took the place of his brother Joseph, who had seemed destined for politics but had been killed in World War II. His opportunity came when James M. Curley vaca...
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  • Vital Role Cell Membrane
    796 words
    The advent of penicillin forever changed the world of medicine at its discovery with its ability to treat diseases, deadly at the time, that are now considered commonplace and easily treatable. Penicillin was one of the greatest discoveries of the twentieth century, as antibiotics are one of the most highly prescribed drugs in the world today. Although its discovery is often described as serendipitous, the process by which it was cultivated was quite meticulous, and continued attention has been ...
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