ABSTRACT By calculating the difference in the mass of the hydrate copper (II) sulfate and the anhydride we were able to determine the mass of water in the hydrate. This information was then used to determine the empirical formula of the hydrate‚ defined as a compound formed by the addition of water to another molecule. In the first trial‚ the mass of water in the hydrate was determined to be 0.41 g‚ while in the second trial the mass of water was 0.52 g. Moles of water associated with a single
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All compositions are composed of literary units called paragraphs. The purpose of a paragraph is to carefully explain and develop a given idea or topic that is a part of a paper’s thesis. Each unit is then segmented into a variety of sentences which are used to develop the main idea of the paragraph. Almost always‚ paragraphs need a central sentence called the topic sentence. This sentence tells the reader exactly what subject he or she will expect to find in the rest of the paragraph. The topic
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Family Composition Yes‚ it seems that a family is one of the biggest God’s gifts. As a rule‚ we do not notice this in our everyday life. We just know that we have our mom and dad‚ grandparents‚ and other family members. And only in some specific moments we realize how these people are important to us‚ and that no one else in this world will love us as they do. In my family I still have my mom and my dad; I’m the eldest among my three siblings. There are three girls and only one boy in
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Composition of the Atmosphere The Earth is surrounded by air—a mixture of various gases that reaches up to a height of many kilometers. This envelope of air makes up our atmosphere. It is held in place by the Earth’s gravity. Almost all the atmosphere (97 percent) lies within 30 km (19 mi) of the Earth’s surface. The upper limit of the atmosphere is at a height of approximately 10‚000 km (about 6000 mi) above the Earth’s surface—a distance that is nearly as large as Earth’s diameter. The proportion
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Original Composition Certain Events Change Our Impression of Life People can say that three and a half minutes is insignificant compared to the rest of our lives‚ but I know that three and a half minutes can be an eternity‚ and can change everything about me. Training six days a week‚ every week of the year‚ for the past seven years‚ all of that to come down to this last program‚ this last 3 and a half minutes. Those 3 and a half minutes better last forever. Six minute warm-up‚ then
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1. Introduction Supermarkets are the alternative to wet markets for fresh food shopping and offer a lot more than wet markets. Not just fresh food but household products and daily necessities as well. It is convenience for people who do not have the time to visit a wet market in the early morning or need some last minute quick fix solutions. It offers imported products for individual preference and shopping in an air conditioned place prove to be more pleasant. Supermarkets operate night or day
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Composition of Blood Plasma consists of: a) Nutrients b) Hormones c) Water d) Other liquid substances like water. A formed element consists of: a) White blood cells (WBCs) providing us the immunity b) Red blood cells (RBCs) carries the oxygen responsible for red color of blood contain hemoglobin‚ a molecule which contains iron c) Platelets blood clotting Reasons to make A.B. 1) Blood group problem. Human being cannot take blood of every human and the reason is the difference
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Blood Composition. The following are components of blood - red blood cells‚ white blood cells‚ platelets and plasma (the liquid component). Red blood cells are the pinky white circles‚ the white blood cells are the big red blobs. Red blood cells do not have a nucleus because they do not divide and multiply Red blood cells are bi-concave‚ they are donut shaped. Red blood cells contain a pigment called haemoglobin which can react with oxygen to form the unstable compound‚ oxy-haemoglobin. Hb+4O2
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The scene in a busy airport terminal The roar of aircraft engines drowns out the sounds of excitement from the car park. Fumes from the cars pollute the surrounding air‚ overshadowing the smell of freshly cut grass. Solitary rays of sunlight beam through the transparent plastic covering of the exterior car park‚ reflecting off the metallic colouring of the people carrier below it. Enclosing the vehicle‚ a sea of suitcases surrounds a red-faced man‚ his stress levels rising with every bag he drags
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English Composition II There are mixed reviews on online studying. During my research for articles on this subject‚ I found that more people are choosing online education instead of being in the traditional classroom setting. This appears to be a trend that in the eyes of some people will gain ground on classroom learning. Earning a college degree online will benefit mainly people with full time jobs. As Jessica Groach-Santina views it‚ “This form of education‚ will allow
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