Stathopulos Department of Sciences‚ Chemistry Faculty University of Waterloo Teaching Assistant: Aaron Chan Prepared by: Section 001 Vithurjan Satkunarasan 20495383 Lab Partner: Ken Xu Introduction The synthesis of Acetaminophen is based on the amine group of p-aminophenol being acetylated by acetic anhydride to form an amide functional group. Acetaminophen is isolated as a crude solid which is then recrystallized to purify the product. Using melting point determination the recovered products purity
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Neurotransmitters Dr. C. George Boeree Neurotransmitters are the chemicals which allow the transmission of signals from one neuron to the next across synapses. They are also found at the axon endings of motor neurons‚ where they stimulate the muscle fibers. And they and their close relatives are produced by some glands such as the pituitary and the adrenal glands. In this chapter‚ we will review some of the most significant neurotransmitters. Acetylcholine Acetylcholine was the first neurotransmitter
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Child Pornography : Canada vs. Japan "We think that child pornography‚ in any form‚ promotes values and sends the message that it is OK to sexually abuse children. It helps paedophiles to justify their ideas or behaviour and it desensitizes society as a whole." ( 1995. John Carr‚ a United Kingdom government adviser. ) The classification of sexual exploration ‚ the governments laws‚ and landmark cases all play a part in how the people perceive child pornography. "Japan is one of the world
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the hormones for which they have receptors * The effects are dependent on the programmed response of the target cells * Hormones are just molecular triggers * Basic categories of hormones * Amino acid based: modified amino acids (or amines)‚ peptides (short chains of amino acids)‚ and proteins (long chains of amino acids) * Steroids: lipid molecules derived from cholesterol As You know: * Invertebrates are animals without a backbone. * The invertebrates form all of the
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1. Is internationalization an end‚ a consequence or a need for companies? Nowadays‚ common reasons why firms internationalize are that they want to grow‚ to have new employees‚ resources and ideas. Many companies seek international markets for growth as they want to expand their businesses. Probably the most important reason for business internationalization is that many times the company can hire cheaper employees. Some companies go outside to locate the resources that are difficult to keep in
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The liver is the largest organ in the entire‚ normal human body. It weighs anywhere from 2.5 to 3.3 pounds. With its large size it is also a very resilient organ. Up to 3/4 of its cells can be removed before is ceases to function. It is red-brown organ roughly shaped like a cone. The liver is located in the upper right abdominal cavity immediately beneath the diaphragm. Without the liver‚ we could not survive. It serves as the body’s chemical factory and it regulates the levels of most of the main
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Description Cyclobenzaprine is a tricyclic amine‚ central nervous system (CNS) depressant and centrally acting skeletal muscle relaxant that targets the brain stem leading to relief of musculoskeletal pain and stiffness usually caused by muscle spasms[1][4]. Recent studies have shown positive effects on patients with Fibromyalgia‚ but treatment with cyclobenzaprine only masks some of the physical symptoms of the disease and is not recommended for long term use [2]. It is administered orally in pill
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Quiz #1 Attempt 1 Written: Jul 7‚ 2012 9:48 AM - Jul 7‚ 2012 9:50 AM Submission View Your quiz has been submitted successfully. Question 1 1 / 1 point At what time do you have to complete your online prelab assignment to be allowed to participate in the lab? Question options: A week before the lab Day before the lab at 10 pm The morning of lab day at 8 am One hour before the lab Question 2 1 / 1 point Which materials/chemicals belong in the desiccator? Question options: Drying
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Unit: Coordination and Control The human body is made up of many cells which form and create different tissues and organs within the body. Control and coordination are required to enable all functions within the body to work accordingly and appropriately at the specific times required. The system
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Name: __________________________________ ( ) Class: 4Q HWA CHONG INSTITUTION PRELIMINARY EXAMINATION 2010 CHEMISTRY 5072 Paper 1 Time: 1 hour INSTRUCTIONS TO CANDIDATES Do not turn the pages over until you are told to do so. Write your name and index number on the answer sheet in the spaces provided. There are forty questions on this paper. Attempt all questions. For each question‚ there are four possible answers labelled A‚ B‚ C and D. Choose the one you consider correct and
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