(explain why you have chosen to investigate this particular topic) I have chosen to examine this experiment as it applies to our daily lives. Rusting of metal occurs every day whether it’s the nails on our deck or that rusting bicycle in our garage. Considering that rust is such a worldwide problem‚ I wanted to conduct my own explanation. Another reason why I picked this investigation is because I enjoy chemistry and believed it would be a worthwhile experimentation. 3. Background information (very briefly
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Whether made in business‚ politics‚ science‚ or sports‚ most decisions are judged as either right or wrong‚ ethical or unethical. Regardless of what an individual believes about a particular action‚ if society judges it to be unethical or wrong‚ whether correctly or not‚ that judgment directly affects the organization’s ability to achieve its business goals. For this reason alone‚ it is important to understand business ethics and recognize ethical issues. social responsibility‚ an organization’s
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Flame test: AIM: To determine which part of the salt is responsible for the characteristics in the flame. HYPOTHESIS: If we introduce a metal salt in the blue flame of the Bunsen burner‚ then the colour given off by the flame is due to the metal part of the salt. METHOD: (1) With a heat proof mat under the Bunsen burner‚ turn the gas on and light up the Bunsen burner with matches. (2) Pour enough Hydrochloric acid into a beaker. (3) Using your wire‚ dip it into the beaker containing Hydrochloric
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Nail polish developed at N.C. State alerts wearers to date rape drugs Aug 20‚ 2014‚ 12:07pm EDT Share on Google + Share on Facebook Share on LinkedIn Share on Twitter Email this article Save Order Reprints Print claires nail polish Enlarge Photo Joana Alfonso / Flickr cc-licensed Imagine being able to use your finger nail polish as a diagnostic to determine if there’s a roofie in your drink. That’s the goal of a prototype being developed by N.C. State University entrepreneurs.
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Determining Amount of Zinc on Galvanized Nails Introduction. The purpose of this experiment was to find a sufficient price to charge for galvanizing nails. In order to do this the mass of zinc coating on a typical galvanized nail needs to be known. Two different methods were used to obtain these values. Gravimetric analysis was used by measuring the mass of the nail with the zinc coating and then subtracting the mass of the nail after the zinc was dissolved in acid. Gasometric analysis was
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Gold Penny Lab Purpose: The purpose of this lab is to convert a regular penny into a “gold” penny. Background: Chemistry is a branch of physical science that studies the composition‚ properties and behavior of matter (www.acs.org). Sodium hydroxide is considered to be a strong base because it breaks up in water. When mixed with certain metals it produces potentially explosive hydrogen gas. Many alchemists believed that doing certain chemical reactions that they would be able
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about the many different ways they can use vinegar to clean their homes‚ promote their health‚ and enhance their beauty. Thesis Statement: Vinegar is a cheap‚ effective alternative to cleaning your home‚ promoting your health and enhancing your beauty. Introduction Ladies and Gentleman‚ what if I told you that vinegar has been used to clean homes‚ promote health‚ and enhance beauty for over 10‚000 years. In addition‚ what if I told you that vinegar only costs about $1.29 and is used in one out
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Ginger(Zingiber officinalis) and Vinegar as Organic Insecticide BY: Aljon Tuyor Melchiville Joseal Diana Cuanan Elaine Castillo Mia Camille Decoy Lessette Ivan Rosas Introduction Toxic chemical is any substance which may be harmful to the environment or hazardous to your health if inhaled ingested or absorbed through the skin. Organic pesticides are just as strong as other forms of insect and weed control
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acid in a sample of vinegar? Prediction: The manufacture of claims on the label that the vinegar contains 5.0% acetic acid‚ which translates into a 0.87 mol/L concentration of acetic acid. The concentration of acetic acid in the vinegar sample should be the same. Purpose: If we add acid solution to basic solution to produce water and salt this activity is called titration. It involves carefully adding one solution to another until chemically equivalent amounts react. Vinegar is a solution of a
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over $ 6.4 billion annually on nail salon services alone (McLean). In Atlanta‚ nail salons seem to locate everywhere with a variety of services. Snellville is one of the most competitive counties of nail salons businesses which provide many differences of nail types and designs. Unfortunately‚ people tend to focus on the beauty of their nails more than any other aspect. Although customers in Snellville enjoy getting their nails done‚ they should reconsider visiting a nail salon because the chemicals
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