shelves are also assigned barcodes and associated with a chemical inventory. A complete history of each bar coded item is maintained from point of entry to elimination as waste. (“University of Georgia Research Foundation”‚ 2005) The department of chemistry in the University of the West Indies uses an inventory management system to manage and maintain its inventory of chemicals and related products. The system also implements workflow and the ability to assign specialized tasks. Managers are able to
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Organic chemistry is the study of essentially all substances containing carbon. Organic compounds that contain only carbon and hydrogen are called hydrocarbons. The simplest hydrocarbons are the alkanes which contain only single covalent bonds. Methane is the simplest alkane. It is also the major component of natural gas. Methane contains only 1 carbon in the molecular formula and the structural formula. There is ethane which is 2 carbons‚ propane that is 3‚ butane which is 4‚ pentane which is 5
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filtering the sand and salt solution. The salt solution passed through the filter and the insoluble sand stays behind in the filter paper. Pure salt can then be recovered by evaporating the water from the salt solution. Web Link: Doc Brown’s Chemistry Clinic; http://www.wpbschoolhouse.btinternet.co.uk/page01/ElCpdMix/EleCmdMix.htm [pic] Examples of some compounds: |Cartoon picture |Chemical compound |Elements present |Number of
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LESSON PLAN FOR III-PEARL (CHEMISTRY) FORMULA WRITING AND NAMING OF COMPOUNDS OBJECTIVES: (1) Classify ions according to their composition‚ charge‚ and oxidation number (2) Define chemical formula (3) Explain the importance of representing ions‚ elements and compounds using chemical formulas (4) Write and name chemical formulas of compounds using the Stock System and Classical System MATERIALS: power point presentation videos flashcards textbook
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NUCLEAR ENERGY Nuclear energy is the energy contained in the centre ‚ or nucleus of an atom. The nucleus is the most powerful source of energy that exist. Nuclear energy is use in scientific research and in medicine treatments. It powers satellites and submarines‚ and it is used to produce electricity. People have also put nuclear energy to destructive uses through the creation of weapons.1 Nuclear energy also called ATOMIC ENERGY‚ energy
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CHEM 1211 L Principles of Chemistry Lab 16 February 2004 Lab Report 1 Introduction The purpose of this project is to identify an unknown organic acid (X) by conducting various experiments to determine the acid’s unique properties. By determining selected constant properties of the unknown and then comparing these properties to the constant properties of known substances‚ it is possible to identify an unknown substance. The properties used to identify the unknown must be intensive‚ or independent
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11/27/13 Nuclear Weapons in Iran Just after the signing ceremony in Geneva on Sunday‚ President Hassan Rouhani of Iran declared that the world had recognized his country’s “nuclear rights.” He was right. The deal will only lead Iran to be more stubborn. Under the deal Iran is supposed
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The lab was to include a purpose‚ procedure‚ data/observations‚ all reactions and side reactions written out with qualitative data beneath each product and reactant except H20‚ and a summary. The purpose of this experiment is to observe the qualitative aspects of a series of reactions involving copper. Procedure 1.Measure about 1g of solid copper. 2.Place Cu in Erlenmeyer flask and place flask under fume hood. 3.Add dropwise 15M HNO3 until solid copper is completely reacted. 4.Place flask
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CHEMISTRY Safety‚ Matter‚ and Measurement Lab Safety Dress appropriately Follow directions and act appropriately Know where emergency equipment is MSDS Material Safety Data Sheets- contain safety information about chemicals Converting metric units Kilo Hecto Deca Base Deci Centi Milli 1000 100 10 1 1/10 1/100 1/1000 Significant Figures NOT Significant Digits “Placeholders”- Zeros before the decimal point and after the number
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Nuclear Weapons On August 1954‚ the United States dropped two atomic bombs on the cites of Hiroshima and Nagasaki killing over two hundred thousands instantly and more over time due to radiation and other injuries. These two bombs ended World War II and changed the public’s view of nuclear energy. Those bombs were the only nuclear weapons used in any war‚ but there were many more detonated for tests.(1) During a speech about the nuclear test ban Kennedy said “Eighteen years ago the advent of nuclear
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