Chemistry Coursework – Titration Background Science A titration is the neutralisation of an acid or an alkali. To achieve this‚ one must be added to the other in a specific amount‚ strength and concentration. A substance is neutral when its pH is 7. It is most acidic closer to 0 and is most alkaline closer to 14. 28492453194050 0 7 14 595423979670
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can theoretically produce around 70% iron while chalcopyrite (CuFeS2)‚ consisting only of copper‚ iron and sulphur can produce theoretically 35% copper. However if we express yield as a percentage of the ore dug out‚ an iron ore would only contain about 16% iron and for a copper ore only contain 1-5% copper. This is because an ore dug out of the ground contains unwanted minerals like dirt‚ rocks and other waste products which add to the mass of the required mineral ;giving a low yield percentage.
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Molly Hubner Period 1 Extra Credit Paper Chemistry of Cancer Cancerous cells develop when conditions for cells are favorable‚ therefore following the divisions to continually occur‚ never stopping. When this happens‚ a tissue mass of cells called a tumor is formed and does not respond to normal controls regarding cell growth. Cancer cells have the following characteristics: profound changes in the plasma and membrane cytoplasm
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This presentation is based on Green Energy and the affect of economy on it. The use of renewable energy is on the rise around the world. The costs of this renewable energy is relatively costly. This means in the long run over time the costs will be paid for and consumers will see a lower energy bill. There has been great achievements in smaller countries with the introduction of green energy. They have seen how useful this is and the way it provides electricity with no problems. Many countries
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Green buildings have greater payoffs than the cost to construct them making them a good investment over using standard building sites and materials. Many components play into the construction and design of a green building including location and building materials (just to name a few). Green buildings‚ whether they are homes‚ offices‚ or schools‚ are built to reduce pollution‚ conserve energy used‚ and to more efficiently use renewable resources. Several practices that are now used by those “going
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Change the World in 30 Seconds Part of the reason so many people blog is to help change the world. So I’m starting a new competition. The reward? Convincing people to change the world in 30 seconds or less. The task? I challenge all bloggers to blog about 30 things that can be done to change the world in 30 seconds. Before you freak out‚ that’s 30 seconds for EACH of the 30 things. 30 for 30. There is a lot you can do to change the world in 30 seconds. In thirty seconds or less‚ what are things you
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Revise Building Plans Introduction In the past few years the concept of going green has become a phenomenon. People throughout the country are increasing their effects to “go green.” Many colleges and university are taking the proper steps to do so too. In the effects of trying to make Augusta Technical College “Go Green.” I have to decided to revise the energy plans to make the 800 building more energy efficient. By knowing the current energy plans‚ setting requirements for HVAC air and heating
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The chemistry of life Cell chemistry is hierarchical Inorganic precursors Small organic molecules Macromolecules Supramolecular structures Organelles/structures Cell BIO 1140 – SLIDE 1 Review of macromolecules Carbohydrates Polymers of monosaccharides (polysaccharides) Energy storage Structural chitin starch glycogen Purple pages F23 cellulose BIO 1140 – SLIDE 2 http://www.mpie.de/index.php?id=2957 Monosaccharides CnH2nOn n = 3 to 7 Trioses‚ pentoses and hexoses
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My Green Light My green light is an ambiguous entity‚ consisting of multiple forms‚ each day varying from the next. This ever-changing pattern in my life is possibly a result of a void left behind from my childhood‚ as my parents had never encouraged or raised any desire to strive for a goal in me. As such I now have an inability to create a permanent goal for myself. My green light‚ in short‚ lacks conviction - it is deprived of the motivation required to maintain my interest‚ and eventually
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Besides the other topics involved in Asbestos‚ they have chemicals and chemistry involved. “Naturally occurring asbestos can be found most abundantly in and around Humboldt County‚ in areas of San Benito and Monterey counties‚ and in western El Dorado county” ("Naturally Occurring Asbestos"). Asbestos is not a human substance or a chemical‚ but it is made out of stone. There are a group of six naturally occurring silicate minerals that is inside found in rock and soil which are: amosite (Fe7Si8O22(OH))2
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