Objective The purpose of this lab is to determine the particle size distribution of the fine and coarse aggregates by sieving. Equipment and Material Balance‚ sensitive to within 0.1% of the weight of the sample to be tested Standard sieves for grading of fine aggregates- 4.75 mm‚ 2.36 mm‚ 1.18 mm‚ 300m‚ 150m (# 4‚ 8‚ 16‚ 50 and 100) Standard sieves for grading coarse aggregates- 1 ½ in.‚ 1 in.‚ ¾ in.‚ ½ ‚ 3/8 in.‚ 4 in‚ plus a 4.75 mm(#4 sieve) Fine (0.5 Kg) and coarse (2 to 20 Kg depending
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Solubility as a Property of Matter A Lab of Chemicals‚ Chromatography‚ and Crime! Chemistry is a natural science that deals with the composition of matter and the changes it undergoes. At crime scenes‚ investigators often find unknown materials that need to be identified. If an unknown material is a mixture‚ an investigator may want to know one or two things about it: What are the ingredients of the mixture? Is the mixture found at the scene the same as a known mixture? A mixture is a collection
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Introduction This psychological case study is all about client/student having bad conscious mind. The approach to this client’s evaluation is within the domain of counseling. Through the used of effective counseling to the erring client‚ there must be a successful result as much as the client find the best solution to his/her problem. The solution must perceive a positive result. Through the help of guidance counselor‚ positive result must perceive by the client because they are the one who are
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Over the past several weeks I have particularly been struggling with informal practice sessions. I was frustrated because initially I was not able to understand why I found the self-guided‚ informal practical gatherings with other students challenging. I felt reasonably confident with the content and with my anatomy‚ yet when it came to taking what I had learnt in the practical sessions and applying them informally‚ particularly palpations and accessory movement tests I felt lost. I found it difficult
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Cooperative & Agriculture Credit Bank of yemen Financial Institute Uses AirLink™ Raven X for Reliable and Secure Transactions Cooperative & Agriculture Credit (CAC) Bank is an independent financial institution based in the Republic of Yemen. Formed more than 25 years ago from the merger of two significant banking institutions‚ CAC Bank currently serves both public and private organizations‚ as well as individuals. The financial institution provides full-service commercial banking‚ including
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Fisher-Price Toys‚ Inc. Fisher-Price‚ a toy company that was founded in 1930‚ was known for its durable‚ safe‚ high-quality‚ and fun products sold at low to moderate prices‚ and had established itself as a leading producer of toys over the years. In fact‚ 82.7% of participants in a Redbook study named Fisher-Price the brand of pre-school toys that they buy the most often. In the summer of 1970‚ marketing vice president Jack Asthalter found himself confronted with a difficult decision: whether to
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Determining the Catalytic Properties of the Enzyme Peroxidase Extracted from a Turnip Under the Conditions of Temperature‚ pH‚ Boiling and Competitive Inhibitors By Robin Caserta BIO 101 September 30‚ 2013 ABSTRACT The enzyme‚ peroxidase‚ extracted from a turnip was tested for its efficiency in binding to its substrate and its stability under several conditions. To do this‚ we tested effects on peroxidase activity‚ first‚ with different amounts of the enzyme‚ next at temperatures of
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Enzyme Lab Experiments Problem: How can we demonstrate how enzymes work? What happens if we alter the environment of an enzyme? Materials: G;lucose Test Strips Test Tubes Pipettes Raw Hamburg Lettuce Potato Raw Liver Chalk Beakers Dairy Lactose Tablet Water Sugar Solo Cups Hot Plate Knife Gloves Skim Milk Glow Sticks Peroxide Hypothesis: 1. If we change the environment via temperature the glow stick will Its intensity will change 2. If hydrogen peroxide is added to a certain food liver
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in the calorimeter (ΔTwater)? 3°C 2. What was the temperature change for the metal sample (ΔTmetal)? Assume the intial temperature of the metal was the same as the temperature of the water it was boiled in. 70°C 3. What was the specific heat of water in J/g°C? 4.186 J/g°C 4. Using the following equation‚ your answers to questions 1-3‚ and your data table‚ determine the specific heat of the metal sample you tested. 5. Identify you metal using the list of specific heat values provided
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For one‚ when sample size was n=3‚ there was a marked decrease heart rate for samples treated with nicotine from a basal heart rate of 147.04 bpm to a drug treated heart rate of 66.67 bpm which is contradictory to the literature and contradictory to experimental values when n=12. Nicotine is a known
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