Experiment 2 Preparation of Primary Standard solutions and Standardizing Acid and Base solutions Objectives: The objective of this experiment is: 1- To prepare two primary standard solutions‚ KHP and Na2CO3 2- To standardize a sodium hydroxide solution using the prepared primary standard KHP. 3- To standardize a hydrochloric acid solution using the prepared primary standard Na2CO3. 4- To calculate the concentration of an unknown acid or base. Introduction A primary standard is a standard that
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Tornado and hurricane essay First of did you know that a hurricane is worse than a tornado. A tornado can happen at any time a hurricane can happen with a warning. So you need to be prepared so you need to know the cost ‚ the size‚ and the appearance. A tornado can throw a cd so hard it can go through a tree. Also a tornado can throw a fork through a tree. Next a tornado can cost up to 500$ million at the average. A hurricane can cost 100$ Billion at average.The reason is because
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A hurricane is a huge storm known as a “tropical cyclone”. These can also be identified as typhoons.The tropical storms winds must reach at least 74 mph to be considered a hurricane. Anything below this is just considered a tropical depression or a tropical storm. Hurricanes usually only occur in the Atlantic Hurricane season (June 1-November 30). Hurricanes form over warm ocean water. They use the warm moist air as fuel at the bottom of the hurricane. As the huge storm produces high wind speeds
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Philosophy Patch Adams: Primary & Secondary Reflection The movie Patch Adams is a true to life story of Dr. Hunter “Patch” Adams. The movie tells a lot of truth about life with depth. And all throughout the movie there are scenes that show both primary and secondary reflection. Primary Reflection is superficial‚ shallow and it reduced the person to details. The person is considering being an object
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Hurricane Mitch‚ 1998 In October 1998 a tropical storm developed to the east of Central America and began moving towards the countries of Nicaragua and Honduras. As it reached the coast‚ winds of more than 280 km/h were recorded‚ and torrential rain caused large areas to be flooded. Roads and bridges were washed away‚ and in some areas complete villages were destroyed as winds tore down the poor-quality buildings. As rain continued to fall‚ large areas of land quickly flooded. On steeper slopes
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The observation of teaching at a local primary school provided me with an opportunity to watch how teachers interact with their students. I could see that teaching methods are becoming more diverse nowadays and multimedia is integrated into classrooms. Some teachers still put emphasis on rote learning by asking students to repeat words and sentences over and over again‚ while others adopted more dynamic approaches such as teaching through role play and group discussion. Teaching mathematics with
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critical when they use sources for new materials. To help the historian by evaluating and organizing‚ the sources fall into two categories: primary sources and secondary sources. Primary sources are materials produced by people or groups of people directly involved in the event or topic under consideration‚ either as participant or as witnesses. In other words‚ primary sources are
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If I were to have thirty minutes before a destructive hurricane were to hit. I would be ready for it because I would take the necessary stuff to survive it. It was a warm September weekend when I had heard from the news that a destructive hurricane was gonna will hit in thirty minutes. I was taking a morning run when I came home from receiving an alert from my phone saying that a hurricane was gonna hit. I was running at my fullest I had adrenaline running through my bloodstream which had me running
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Protein Structure on a Tertiary Level The third of four levels of protein structure is the tertiary level. The primary level are strands of the 20 amino acids‚ the secondary level are alpha helix and beta pleats‚ the tertiary level are a combination of helix‚ pleats‚ and bends‚ and the quaternary level involves multiple polypeptide bonds. The tertiary level is a three dimensional level that allows the protein to be fluid and move and make up the R group in the protein structure. There are four
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Hurricane Hugo‚ one of the strongest hurricanes in South Carolina’s history‚ originated from a wave that moved west off of Africa’s coastline on September 9‚ 1989. Throughout the night and into the morning of September 10‚ Hugo had been classified as a tropical depression. As Hugo moved across the warm waters of the Atlantic it gained more and more strength. It wasn’t until September 14th that Hugo gained enough strength to be classified as a hurricane. On September 15th‚ Hugo turned west-north
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