Experiment 1: The Effects of Coal Mining Coal mining‚ particularly surface mining‚ leads to large areas of land being temporarily disturbed. The mine workings collect and conduct water that is in contact with the widespread pyrite‚ a mineral that produces iron and sulfuric acid when exposed to air and water. In this lab‚ you will see first-hand the reasons why mine drainage can be harmful to the local drainage system if left untreated. Materials: (3) 100 mL Beakers 1 tsp. Crushed pyrite 1 tsp. Activated
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LS 1 LAB DEMO 1 13 January 2014 Introduction: The broader context of this lab was aimed at observing animals and documenting specific animal behavior patterns. Specifically‚ we were trying to determine if squirrels applied snakeskin randomly to certain areas of their body or if there was a specific technique to it in relation to escaping their predators. After an animal has determined that a predator is nearby‚ it must then take action to avoid encountering this threat. Encounters are most easily
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To what effects are the causes‚ characteristics and effects of urbanisation different in countries at different stages of economic development? Urbanization is the increasing number of people that migrate from rural to urban areas. It predominantly results in the physical growth of urban areas‚ be it horizontal or vertical. An example of urbanisation for an LEDC is Rio de Janeiro and Mumbai which has a population of 18.3 million put together and is still expanding; an example of an MEDC is Manchester
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Review for Test 1 – Chapters 1 through 4 Chapter 1 – Beginnings of Civilization 1. What is the name of the place where the oldest paintings known to mankind are found? The neanderthal’s 2. What happened in the Neolithic period that allowed for communities and villages to develop?Agriculture 3. What two things (according to the book) happen together when civilization begins to develop?Hunting and gathering. 4. What is the name of the area where Sumerians settled? Fertile crescent
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Kristina Caldwell Period 1 50 Essays The Joy of Reading 1) Superman was breaking down a door. It’s important to remember this because he talks about how he refused to act stupid and how he is breaking down his own door in the sense that he is teaching others how to read and write and breaking stereotypes. Indians aren’t supposed to be able to read and write‚ but now he is teaching other Indians to do these things because he didn’t conform. 2) The verb that is repeated was read. This
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Data Analysis: Graph 1 indicates the relationship between the dependent and the independent variable to be; as the concentration of sodium bicarbonate in the solution submerging the leaf discs is increased‚ the average rate of photosynthesis of the leaf discs increased in a linear trend. As it is the sodium bicarbonate which decomposes into carbon dioxide necessary for photosynthesis‚ it is reasonable to consider from Graph 1 that as carbon dioxide concentration of the solution increases‚ the rate
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Chapter 10 Margin Questions In what respects did Byzantium continue the patterns of the classical Roman Empire? In what ways did it diverge from those patterns? Continuance can be seen in Byzantium’s roads‚ military structures‚ centralized administration‚ imperial court‚ laws‚ and Christian organization. It can also be seen in Byzantium’s pursuit of the long-term Roman struggle with the Persian Empire. Byzantium diverged through the development of a reformed administrative system that gave appointed
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da Alvarenga Lab Partner: Keren Appiahene Mussie Gide 10 September 2016 Experiment 2: Acid- Base Extraction Separation of an Organic Acid‚ a Base and a Neutral Compound Introduction: The extraction technique is often used in the organic lab to separate organic compounds from mixtures. One type of an extraction technique is the acid-base extraction‚ which is used to separate organic compounds from a mixture based on their acid-base properties.1 There are certain principles that must be taken into
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Water 86.75 g Vitamin A equiv. 11 μg (1%) Thiamine (vit. B1) 0.087 mg (8%) Riboflavin (vit. B2) 0.04 mg (3%) Niacin (vit. B3) 0.282 mg (2%) Pantothenic acid (B5) 0.25 mg (5%) Vitamin B6 0.06 mg (5%) Folate (vit. B9) 30 μg (8%) Choline 8.4 mg (2%) Vitamin C 53.2 mg (64%) Vitamin E 0.18 mg (1%) Calcium 40 mg (4%) Iron 0.1 mg (1%) Magnesium 10 mg (3%) Manganese 0.025 mg (1%) Phosphorus 14 mg (2%) Potassium 181 mg (4%) Zinc 0.07 mg (1%) Since orange is a citrus fruit
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Lab 4: Le Chatelier’s Principle Name: Cammey Mahowald Lab Partners: None Date of Experiment: March 16‚ 2015 Course: CHE 112 Abstract: The purpose of this experiment is to understand the components of a reaction at chemical equilibrium and use Le Chatelier’s principle to predict the direction an equilibrium position will shift upon changes in the concentration‚ temperature‚ and pressure. It was determined that in the equilibrium of chromate and dichromate it is an exothermic reaction and in the
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