The acid-catalyzed dehydration of secondary and tertiary alcohols involves non-isolable carbocation intermediaries. In the first step of the of the reaction mechanism below, a phosphoric acid catalyst adds a proton to the oxygen atom of the alcohol to form an oxonium ion. The OH is …
Watered stocks are basically stocks that offered to the public far greater than their true value. The term ‘watering down stocks in the stock market’ means to offer the public with such kind of stocks that are artificially inflated (Investopedia). The term originated during the …
Where? Boscastle is in North Cornwall, in the South West of England. A small seaside town, it faces out onto the Atlantic Ocean. What? Flash floods hit the town on Monday 16th August 2004 in a 1 in 50 year occurrence. This caused 120mm of …
Challenges and Causes What is an environmental challenge Environmental challenges affecting SEE Human Actions What are human actions How SEE water makes the water safe Case Study (Write the name of country for comparison) Water management In or water security approach In Water security in …
The Ocean is one of the major reasons why humans survive in this world. The Ocean provides us with water to drink and the fresh air we breathe. That’s why the issue of ocean pollution is important and needs to be addressed as soon as …
Art has been part of human lives for thousands of years. From the cave paintings to metal framework, people have gazed at arts while comparing and criticizing it. It is said that an art is representation of an artist’s lifestyle and events. Basically Artists paint …
Recrystallization of Benzoic Acid Objective To purify benzoic acid by recrystallization and gain experience with a basic organic laboratory techniques. Background Products of chemical reactions are often contaminated with impurities. One method for purifying chemicals, recrystallization, takes advantage of the differences in the solubilities of …
The Generally Accepted Accounting Principles ( GAAP ) and the International Financial Reporting Standards ( IFRS ) have many differences. One of these major differences in the intervention of fixed assets. The accounting universe is traveling through a convergence. The displacement from rules-based U. S. …
An excerpt from Ralph Waldo Emerson’s “from Journal,” from the paragraph beginning “. How sad a spectacle” to the end of the essay. This passage begins on p. 88 in the 10th edition and p. 100 in the 11th edition. All of E. White’s “Progress …
In this essay I am going to discuss how the population of the UK rose and fell and why. Basically there are only four factors in which the population of the UK had changed these are; the birth rate, the death rate, emigration and immigration. …
This is a good foothold for raring a Good reputation, this is vital, and companies having a good reputation should have better custom. As part of coca cola, river rock would be rewound for a reliable and efficient service as coca cola have been around …
Task 1: Developing ICT skills Discussion forum post and evaluation I submitted the following two posts to the BESC1011 discussion forum for Activity 2: (N. B. I have edited the post for typographical errors). Activity 2 finding ACAP’s online resources Monday, 24 September 2012, 03:56 …
Thermodynamics of the Dissolution of Borax Lina Jawadi Objectives: Study a system of salt and water solution. Determining a variety of important thermodynamics quantities from the solubility information at various temperatures. Background: The salt and water solution in this experiment has a relatively simple solubility …
Environmental problems Of all the global environmental problems, desertification is, perhaps, the most threatening for poor rural people. The most accepted definition of desertification states that it is land degradation in arid, semiarid, and dry sub-humid areas resulting from various factors, including climatic variations and …
Penny Lab Experiment Objectives To determine how soap affects the surface tension of water. Hypothesis In this experiment the hypothesis was that soap was going to affect the surface tension by weakening the bonds and allowing less water on the penny. Materials Penny Beaker x2 …
Hometown is a place we live in. It is the place which means a lot for us and that’s why it is important to think about how to make it a better place. As I am thinking about what I miss in my hometown, I realize it is a bathing pool. …
The evaporating of harmful gases, earthquakes, and some evidences from the manhole are the manifestations showed that an underground volcano was forming under the city. This means that there was already lava under the city and the ground cannot take the pressure anymore so it …
Impact of Tourism on the Environment (Negril) Negril is situated on the western end of the island of Jamaica. It is known as the 7 mile beach even though it is slightly longer than 6. 4 km in length. Negril is also called the tourism …
They describe at least three teleconnections in the film. The movie talks about sandstorms in the Sahara Desert transforming the rainforest across the globe. Also explained are the waterfalls under the sea in Antarctica, leading to a feeding frenzy in the ocean by the equator. …
eInvestigating water potential of swede The aim of our experiment was to investigate the water potential of swede and then use our results to help us determine the water potential of plant tissue. This overall flow of water from a dilute area of high water …
Synthesis of Dulcin Objective: The main objective of this lab is to gain experience at a typical synthesis and semi-microscale recrystallization. Discussion Questions: How fast should the temperature be raised when determining a melting point? When can the temperature be raised more quickly? If there …
Meghann Kiphart AP Biology Lab Report Number One Mrs. Irvine Introduction: Because all molecules have kinetic energy and are constantly in motion cells go through a process called diffusion. Diffusion is the movement if molecules from an area of higher concentration to and area of …
Application of Fluorescence Spectroscopy in Chemical Oceanography: Tracing Colored Dissolved Organic Matter (CDOM) Erika Mae A. Espejo 3rd year, BS Chemistry, University of the Philippines, Diliman Abstract Dissolved organic matter (DOM), the fraction passing through a 0. 45 µm membrane filter, is considered poorly understood …
Instead of Horns, Voice Today, most of the big cities centralize interests in improving and encouraging the private means of transportation instead of public. Driving a car can be very comfortable and pleasant, but it causes serious problems. Because of this, we all must change …
Turn the tap on and drink a glass of water. Does it taste funny? Is it clear? The water you are drinking may be toxic without any such indicators. Water is all around us; it is essential for life. Over two thirds of earth’s surface …
Chapter 3 Reading Questions: 1. Core Case Study: “Have you thanked your insects today? ”- Explain why insects are significant. Many of the earth’s plant species depend upon insects to pollinate them. Carnivorous insects, such as the praying mantis, control the ‘pest’ insect population. 2. …
Describe the difference between the footings critical figure and transporting capacity for an ecosystem. Elaborate on the construct of denseness dependance. How does the denseness dependance affect the critical figure and carry capacity in an ecosystem? Critical figure refers to the smallest possible figure of …
Sustainable Fresh Water Supply for Chennai city, Tamil Nadu, India A Status Update Joseph Thomas, Chief Technology Officer, Villgro, Chennai, India 3H, IIT Madras Research Park, Kanagam Road, Taramani, Chennai, Tamil Nadu India 600113. Telephone +91 44 6663 0400, email:joseph@villgro. org, mobile +91 98840 49116 …
Introduction Background of the Study Like many other hygiene convenience, shoe polish or can also be called boot polish is usually a wax , cream or paste used by people to shine, water proof and restore the appearance of leather shoes. This extends the footwear’s …
Damage to environment is an inevitable effect of world-wide betterment in the criterion of life“The environment is where we all meet ; where all have a common involvement ; it is the one thing that we all share.” —Lady Bird Johnson. The extremely development of …
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