T-shirt Travels The film ‘T-shirt Travels’ takes us to the Sub-Saharan African nation of Zambia‚ a country who in the 1960’s was know for having a thriving‚ domestic textile industry. As of late‚ with the countries immense amount of debt and the constant nagging of their creditors‚ such as the IMF‚ Zambia’s local economy has deteriorated and the textile industry has vanished. However‚ there is another issue present that has also contributed to the decline of Zambia’s economy: the second-hand
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will broaden range &may increase melting point Lab Questions 1. Define the following A. Melting point B. Intermolecular forces C. Hydrogen bonding 2. Arrange the following IMF according to there strength Dipole-Dipole interaction forces‚ Hydrogen bonding‚ Van der Waals forces 3. How does the atmospheric pressure affect the melting point? 4. What is the purpose of determining the melting point in this lab? 5. Why is this method not used for finding the melting
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Lab 2 Physics 190 Acceleration “g” Due to Gravity – Method 2 Introduction Tonight we will measure the acceleration due to gravity again. This time however‚ we will collect more data and the analysis will be different. We will first fit the data using a second order polynomial. Recall for a mass falling from rest‚ that 1 (1.1) y a yt 2 2 Suppose a mass falls through n successively greater displacements‚ each time starting from rest. The displacements can be expressed a 2 y y t ;
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Derricka Joe Period 5 1 Oct.‚ 2014 Lab Experiment One: Physical Properties Lab Analysis: For our first unknown‚ we observed the color and odor of the substance. The substance was a clumpy‚ white‚ crystal-like substance and it smells like new plastic. When we tested the solubility in water it resulted insoluble and in ethanol it resulted soluble. This substance could not be tested for electrical conductivity because the water was insoluble. We then tested for the PH value and it was neutral. The
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Laboratory 9 Lab title: Conductivity of solutions and Household Items PURPOSE: To understand the compounds that dissociate (break into ions) when dissolved in water. Determine ionic compounds are electrolytes. To identify solutions as electrolytic and non-electrolytic‚ and to identify variations in conductivity among electrolytes. Substances that are capable of conducting an electric current in solution are known as electrolytes. Substances that do not conduct an electric current
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Analysis of drilling fluids is essential to their performance. In this laboratory exercise the aim is to test three drilling fluid samples for; density and rheological properties‚ Fluid loss‚ chemical analysis i.e. testing pH‚ alkalinity‚ testing for chloride ions‚ calcium carbonate‚ calcium‚ bentonite; also determining the amount of solids present in the samples as well as volumes of oil‚ water and solids contained in the sample‚ and to test for contaminates such as NaCl and KCl. These tests helps us
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Steroid plays an important role in maintenance of muscle to fat ratio by elevating natural fan burn. However modern life style and its associated stress wreak havoc to cut down on body T level and undermine all of its good efforts. Fortunately Chrysin‚ the Naturally Occurring Flavonoid is able to elevate the body T level. What is Chrysin? Chrysin is a Natural Flavone which is primarily found in passion
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Fred T. Korematsu was a national civil rights hero who stood up for himself and refused to go to the government’s incarceration camps for Japanese Americans. Fred Korematsu was born in Oakland‚ California‚ on January 30‚ 1919. After the U.S. entered World War II‚ Korematsu tried to enlist in the U.S. National Guard and U.S. Coast Guard‚ but was turned away by military officers who discriminated against him due to his Japanese ancestry. Korematsu then trained to become a welder‚ working in Oakland
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of 6 M sodium hydroxide and about 1 mL of glycerol were added to each ingredient drop by drop then mixed thoroughly with a glass rod. The solution was then heated with a heating plate to boiling until it became pasty. After the paste cooled‚ 50 mL of saturated sodium chloride solution and ice was mixed into the solution. The soap was then filtered using suction filtration and washed with two 5mL portions of cold water. Each filtrate was saved separately. Two methods were used for making detergents. The first
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1. Why are spindle fibers important for mitosis? (5 points) Spindle fibers work as a path for chromosomes to travel(Campbell‚ 2009). 2. State the four bases that make up DNA. (4 points) a. (A)-Adenine b. (G)-Guanine c. (T)-Thymine d. (C)-Cytosine (Campbell‚ 2009). 3. What are the two base pairs? (2 points) a. AG b. CT 4. Answer the following questions: a. Define the term crossing over. (3 points) The phase in meiosis where chromosomes exchange segments of genetic materials (Campbell‚ 2009). b. Explain
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