Lab Protocol #8 - Dehydration of 3‚3-dimethyl-2-butanol KEYWORDS: alkenes‚ E2‚ E1‚ carbocation stability‚ elimination A. Introduction. The dehydration of alcohols is an ELIMINATION reaction that is commonly used to form alkene molecules. The mechanism for the dehydration of alcohols consists of transforming the –OH functional group into a better leaving group by using a strong acid to protonate the alcohol. After –OH has been transformed into –OH2+‚ it becomes easier to break the σ-bond between the
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This report will describe the expected patterns of development in physical‚ social and emotional‚ cognitive‚ language and communication categories. It will consider development in 0-3‚ 3-7‚ 7-11 and 11-16 age ranges and describe how development can be promoted. In the 0-3 section it will also explain and give examples of factors which can affect their development and how the areas of development can be promoted. 0-3 Years Physical Child development progresses from head to toe. Starting from
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Dentistry and oral hygiene in Ancient Roman time was very different back then‚ then it is now. A lot has changed since their time‚ for example methods‚ tools‚ and medication. Back in Roman time there was no dentists‚ toothpaste or toothbrushes. Romans would use toothpicks‚ rags‚ and chewing sticks to help keep their teeth to stay intact. Back then‚ the Romans used urine for toothpaste‚ they would use others urine and their own. Romans would brush their teeth with the urine and the urine would help
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starts moving‚ I could tell you a million ways why to ride roller coasters but I will tell you there. first you feel like you are flying‚second you feel the wind in your face and it feels so amazing‚and lastly how it stops and you are ready to ride it again. Flying that’s one word to describe roller coasters you go so fast and before you know it you’re flying. Course it’s a little scary going up‚ but it’s awesome going down‚ what goes up must come down. I haven’t rode every roller coaster in the world
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Surface Tension of Water I. Purpose How does adding soap to water change its surface tension? II. Background Adhesion is the bond between two substances of different makeups. In water‚ adhesion allows it to stick to other surfaces. Cohesion is the bond between two of the same substances. A hydrogen bond is a type of cohesion in water in which the hydrogen atoms of one water molecule being attracted to the oxygen atom of another water molecule. In water‚ each molecule in the middle is pulled
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3-2-1 Assessment Sheet 1. What are three key things you learned about the Dark Ages in this lesson? Please be sure to include at least two complete sentences for each one. A. The Dark Ages period of time featured a lot of change and development overall. B. However‚ I learned that there are many different tribes willing to invade and want to conquer England. C. Celts ruled the land until 55 B.C. when roman invaded and as a result conquered the territory with Julius Caesar
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Mathew Chafin Mr. Turner English 101-401 3 December 2012 The Importance of Hygiene Practices in Healthcare Facilities In the medical field‚ associates are expected to be extremely educated in the significance of good hygiene amongst healthcare facilities. “Infection control has become a formal discipline in the United States since the 1950s‚ due to the spread of staphylococcal infections in hospitals Hygiene has taken a major role in healthcare facilities since the early 1950’s‚ and has remained
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put a hand in our thought and make it still more come alive. we need to stop all plastics and other polythene bags which pollute our environment. we need to take this issue to the government so that they can take to place where we cannot reach. cleanliness is next to godliness . before going to temple we take
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food of most Filipinos. INGREDIENTS 2 cups all purpose flour 2 cups bread flour ½ cup white sugar 5 tbspmargarine‚ melted 1 tsp baking powder 1 pouch rapid rise yeast 1 tsp salt 1 cup bread crumbs 1 piece raw egg 1 tbsp cooking oil PROCEDURES 1. Combine the yeast and sugar and stir until the yeast and sugar are fully dissolved 2. In the mixing bowl‚ combine the dry ingredients starting with the flour then the sugar‚ salt‚ and baking powder. Mix well by stirring 3. Add the egg‚ margarine‚ cooking oil
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Dental Hygiene “When we consider what we are about to do in the future‚ we have to be mindful of this past- a focus on prevention‚ education‚ and discernible health outcomes.” JoAnn Gurenlian contributes the evolution of dental hygiene to its expansive ideology. Becoming a dental hygienists entails skill sets in cleaning teeth with specialized instruments‚ taking x-rays‚ documenting medical records‚ etc. This essay will take you through the establishment of dental hygiene leading into what it has
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