General Chemistry I CHEM XXI Project Report Worksheet (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
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How to record vital signs and other values..... Please note: Each patient’s report that has a generated report from both Alice and Somnostar for filing medical records will also include the values of the patient vitals signs. This is the most accurate report reading for any medical staff to review‚ retrieve patient records for further patient care. When the patient comes in and signs his/her consent forms it is also giving the patient rights to have their medical records to
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The purpose of this paper is to elaborate on the Tuskegee Experiment based upon previous international study‚ it will also state the original study and where did it originate‚ the purpose of the study and the results. It will also state who or what were the principal investigators‚ the participants (gender‚ race‚ age)‚ why and how did this study end. The original study of the Tuskegee research was a disreputable medical experiment carried out in the United States between 1932 and 1972‚ in
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Controlled assessment- How concentration affects the rate of reaction between sodium thiosulfate and hydrochloric acid. SA): Strategy Scientific knowledge Sodium thiosulfate (Na2S2O3)‚ also spelled sodium thiosulphate‚ is a colourless crystalline compound that is more familiar as the pentahydrate‚Na2S2O3·5H2O‚ an efflorescent‚ monoclinic crystalline substance also called sodium hyposulfite or “hypo.” Sodium thiosulphate has a melting point of 48 degrees C. It is freely soluble in water. It contains
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Investigate the types and reasons for abuse of children Sign and symptoms of abuse Physical abuse Physical abuse is where a person is physically hurt or injured purposely by another person with the intention to cause them harm. Physical abuse includes hitting‚ slapping‚ kicking‚ biting‚ head butting‚ drowning‚ burning etc and often occurs in places that are easy to hide under clothing. Physical child abuse is any form of physical injuries inflicted upon the child with cruel and/or malicious
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Several priming experiment were discussed‚ and the results were astonishing. One of the experiment was‚ students were asked to walk down a corridor to their professor’s office and take the “scrambled sentence test.” Throughout the test‚ words like “worried”‚ “Florida‚” “old‚” “lonely‚” “gray‚” “bingo‚” and
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H.G.Bernard Public School 245 Bernard Avenue Richmond Hill‚ Ontario L4S 1E1 Thursday‚ March 3‚ 2011 Mr. World and Mrs. World 3 Solar System Blvd. Milky Way‚ Universe Dear Mr. and Mrs. World‚ Hello! My name is Judy. I’m a grade seven student from a school called
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Experiment: Titration of Acidic Household Substances Objective The purpose of this experiment is to determine the molarity and weight/volume percent of acetic acid in vinegar by titration with sodium hydroxide to a phenolphthalein endpoint. This procedure may be modified by titrating an acidic beverage such 7-up or Sprite. Equipment and Material (Total Time 60 – 90 min.) Variety of Berel Pipet Long glass stirring rod Wash bottle 10-mL graduated cylinder 100 mL beakers Material
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Have you ever made a decision that would not only affect your future but greatly affect someone else’s? In the book The Sign of the Beaver‚ Matt’s father had to make one of these tough decisions. Matt’s father bought land in the wilderness of Maine for his family to settle. He and his son left his wife and daughter back in Massachusetts to prepare their property. Together Matt and his father cleared the land‚ built a cabin‚ and planted corn. Matt’s father traveled back to Massachusetts to fetch his
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objectives of this experiment are to observe the keeping quality of some food products‚ study the various simple methods of moisture determinations using different drying method. And determine the water activity in some food samples such as biscuits‚ bread‚ flour and instant noodles by using water activity measurement machine. 3. Theory To determine the moisture content in the food‚ methods such as open dish method and infrared balance method are used. 3.1 Hypothesis of Experiment This report
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