Redox Titration Lab ABSTRACT: In this lab‚ 0.010 M purple-colored potassium permanganate solution was standardized by redox titration with iron (II) ammonium sulfate hexahydrate (FAS). The average mass of the three flasks of FAS was 0.483 grams. Once the concentration of the standard solution of KMnO4 (aq) was determined‚ it was used to determine the concentration of Fe2+ in iron pills. On average‚ there was 0.01813 L of solution used. With this information and the balanced net-ionic equation
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Ankit Shingala Dr. Campagnolo Chemistry H September 24‚ 2013 Lab on Density of Four Metals Conclusion In this lab we studied the densities of four different metals using a caliper‚ a digital scale‚ and a calculator. Three metals were pure elements like copper‚ iron‚ and aluminum. The fourth metal was an alloy which was brass. The purposes of this lab were to demonstrate that different metal elements have different densities‚ and that alloys have densities somewhere between those elements that
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20 9. Classic chemistry experiments Unsaturation in fats and oils Topic Organic chemistry‚ saturated and unsaturated fats. Timing 45 min. Description The students titrate different oils and fats mixed with Volasil against bromine water. Apparatus and equipment (per group) w White tile w Conical flask w Dropper pipette. (Use the type of teat pipette usually fitted to Universal Indicator bottles‚ that do not allow squirting – eg Griffin.) w Burette (filled with bromine
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Introduction An abortion is the medical process of ending a pregnancy so it does not result in the birth of a baby. It is also sometimes known as a ’termination’ or a ’termination of pregnancy’. Depending on how many weeks you have been pregnant‚ the pregnancy is ended either by taking medication or by having a surgical procedure. An abortion is not the same as a miscarriage‚ where the pregnancy ends without medical intervention (although medical treatment may be needed after a miscarriage)
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Department of Food Science Faculty of Agrotechnology and Food Science Universiti Malaysia Terengganu Laboratory Report STM3112 (Instrumentation in Food Analysis) LAB 3: Texture Analysis ny TA.XT Plus Texture Analyzer Group: Group 6 Practical Date: 2nd October 2013 Group members: No. Name Matric Number 1. Nur Fateha Bt Bakry UK 25419 2. Nur Fathiah Bt Fauzi UK 25427 3. Kueh Wern Chjing UK 24990 4. Nur Farzana Bt Abd Kahar UK 25086 5. Nur Hidayah Bt Lokman UK 26423
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Chem Final Exam Sample 1 Question 1 of 36 0.0/ 0.0 Points The n = ________ principal shell is the lowest that may contain a d-subshell. A. 4 B. 1 C. 3 D. 2 E. not enough information Question 2 of 36 4.0/ 4.0 Points Which of the following elements has the highest ionization energy? A. Ca B. Al C. Cl D. Ne E. Ba Question 3 of 36 4.0/ 4.0 Points The principal quantum number (n): A. specifies the principal shell of the orbital. B
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Microbiology Kit (MBK) – Lab Report Name: Section: Observing Bacteria and Blood Questions: A. List the following parts of the microscope and describe the function of each A. Eyepiece lens B. Tube C. Revolving nosepiece/turret D. Objective lenses E. Stage F. Iris Diaphragm G. Illuminator H. Coarse Focus I. Fine Focus J. Arm K. Stage Clips B. Define the following microscopy terms: a. Focus: A means of moving the specimen closer or further away from the
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Phase 1 - Intro to Economic Thinking ECON202-1302A-02: Microeconomics Colorado Technical University Joseph Keller 4/14/13 As prices increase‚ should health economists advocate giving something up (opportunity costs/trade-offs)? I feel that health economists should promote giving something up in as prices rise. The reason I feel this way is because as the prices increase a lot of people would not be able to pay for the services .So in this case I believe that they should consider lowering
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The Effects of Population Density and Noise Paper Gregory Mills PSY/460 March‚ 9 2011 Professor Darnell Anderson The Effects of Population Density and Noise Paper The population of the World is increasing rapidly‚ with teenagers having children before their adults and the probability of twins and triplets have increased. Cities are becoming overcrowded and the average household is increasing every year. As cities become crowded‚ the only thing that could help is to create
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Chemistry SCH3U Unit 1 Lesson 1 Key Questions 1. List three physical properties and one chemical property of a) an iron nail * conducts heat and electricity well * solid at room temperature * ductile * rusts in water (chemical) b) gasoline * liquid at 20deg C * boils between 20 and 200 degrees Celsius * not soluble in water * flammable in the presence of oxygen (chemical) 2. People in a workplace should have access to MSDS sheets so that * chemicals
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