residue (KCl) is measured. These two quantities‚ the mass of the original sample of potassium chlorate and the mass of the KCl‚ allow us to determine the amount of oxygen in the original sample. If a catalyst is used‚ it will remain unaffected and its weight can be subtracted. The experimental percentage of oxygen in the sample of KClO3 is calculated by using this equation. Experimental % oxygen = Mass of oxygen lost x 100 Mass of KClO3 The theoretical value of the % oxygen in potassium
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Name: Marquetta Turner Lab‚ Week #1 BALANCE LAB Introduction: Using the direct weighing and weighing by difference methods to find weight and mass of chemicals. The purpose of this lab was to be familiar with the different balances and methods used to find the weight and mass of chemicals. In the lab it used different types of balances and direct weighing and weighing by difference methods. In the lab we used the centigram balance‚ the mass in grams and slugs to determine both weighing
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importance (weight) of these factors to the company. To generate an EFAS Table for the company being analyzed‚ complete the following steps: In Column 1 (External Factors)‚ list the eight to ten most important opportunities and threats facing the company. In Column 2 (Weight)‚ assign a weight to each factor from 1.0 (Most Important) to 0.0 (Not Important) based on that factor’s probable impact on a particular company’s current strategic position. The higher the weight‚ the
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Title of the Case: Revlon‚inc.-2007 Statement of the Problem: Revlon inc.‚ gives minimal time and attention to internal and external assessment. Areas of Consideration Financial Resources- From the 2007 events in Revlon inc.‚ they have a long-term debt higher than previous years which implies that the company is either preocccupied with the thought of how to pay long-term debt‚ how to survive and how to avoid further expenses. Human Resources- Due to cost-cutting‚ employees are reduced into
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the mass of a chemical. To accomplish this we use direct weighing and weighing by difference on both the centigram and electronic balances. Equipment 1 Centigram Balances 1 Electronic Balance 1 100ml Beakers 5 Copper Slugs 2 Unknown Weights (Label # 1‚ # 2) Procedure Centigram Balance-Direct Weighing Technique 1. Obtain the centigram balance. 2. Add the copper slug to the balance. 3. Record the mass of the copper slug in grams to the observation section. 4. Retain
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Bunsen burner‚ Tums tablet‚ Rolaid tablet‚ and Equate tablet. 2. Weigh antacid tablet as a whole on the electronic scale and record the data. 3. Break up the antacid tablet with the motor and pestle and weight it‚ ensure that it weighs between 0.80 and 1 gram and record the weight of the sample. 4. Add 50 ml of 0.20 M HCl solution to the flask. 5. Add antacid sample to flask. 6. Using the Bunsen burner‚ heat up the flask to just barley boiling and then stop heating. 7. Add
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problem before it gets worse‚ my staff suggested four options. After careful analysis‚ I think that the solution of cancel the planned re-furbishing of the weight rooms is the best. Firstly‚ we had planned to purchase new machines and to install full mirrors as well as to get new sets of weights. However‚ with spot repairs the old weight machines and benches could last another year and the equipment would pose no hazards. Although the option may lead the Fitness Director to wait for another year
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| 4.8 | Step 2: As the sucrose decreases so does the weight. I have found that when you decrease the amount of sucrose it will cause the water to go outward making the bag weigh less. Section 5: Step 1: The lab experimentation did not support my hypothesis because the weight decreased more with the sucrose. Step 2: The specific data that made my hypothesis wrong is the fact that when we added less sucrose the after weight decreased as shown in my graph. Step 3: The results did not support
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of Exercise Affect Respiratory Rate? Hypothesis My experiment will involve sprinting which is a very demanding and fatiguing sport. In order to increase the intensity of it‚ I will be increasing the weight the subject has to carry as he sprints. My hypothesis is that as you increase the weight‚ the respiratory rate will also increase. At rest‚ the average breathing rate for adults is 12-24 breaths per minute and for new born babies it is 30-60 breaths per minute. Younger people breathe more
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items help the reader better understand each person for who they are and help us to understand the physical situation the soldiers are in. In “The Things They Carried”‚ Tim O’Brien describes the item the soldiers carry in their packs and the emotional weight they carry to help give a better understanding of each person. Tim O’Brien discusses some the necessity items that each soldier carries which include “P-38 can opener‚ pocket knifes‚ heat tabs‚ wrist watches‚ dog tags‚ mosquito repellant‚ chewing
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