like plastic or resin but becomes permanent on paper. Whiteboard ink is very useful but it is also expensive and can be only availed at large supply store and supermarkets. In addition‚ some people who use whiteboard markers complain of the strong odor associated in the ink which is equipped with different unknown chemicals. Other study also reveals that fumes from whiteboard markers when inhaled and abused leads to intoxication and sometimes addiction. On the other hand‚ some whiteboard ink causes
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Comparative Investigation of Organic Compounds Tristan Duane G. Lacson‚ Lara Elize T. Lamigo‚ Maria Mikaela L. Laysa‚ Christian Gerard G. Lee and Karen L. Li Group 6 2C Pharmacy Organic Chemistry Laboratory ABSTRACT In order to differentiate the organic compounds. The group tested the compounds using the information based on their instinsic physical properties‚ behavior in ignition‚acidity and basicity and their infrared spectra. The physical properties were noted by the reaserchers by
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noted the clarity and the odor each time we took samples. We recorded all the data on sheets in our Green Bio Notebook. Results Things did not really change in the pond water sample that we retrieved; it really was basically getting a good sample and seeing if you could get different things that are alive and swimming around in your sample. The only thing that really had a drastic change over the time was the odor and the color of the pond water sample. The odor went from tolerably disgusting
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social reformer‚ noted for his work to reform the Poor Laws and made conditions cleaner for the citizens. He helped sanitize the areas and made things healthier to live in. 3.The miasmic theory of disease was a theory that disease was caused by bad odors. it prevented the proper treatment of disease and scientific and medical development in the right direction. 4.Pasteur’s theory that germs caused disease helped the advancement of medical sciences and led to the breakthrough of vaccines. Koch helped
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acetic acid‚ and ethyl alcohol are organic compounds with different properties. Gasoline‚ for example‚ has a strong odor‚ is volatile‚ and highly flammable. In this activity‚ you will find out about the properties namely odor‚ viscosity‚ volatility and flammability of some other common organic compounds. Odor is the smell of the compound. Every compound has its own specific odor. Viscosity is a measure of a liquid’s resistance to flow. Volatility is the measure of the tendency of a compound to
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If you’ve got a pet‚ any pet - a dog‚ a cat‚ a hamster‚ gerbil‚ bunny‚ ferret or rat - then you NEED Nature’s Miracle Advanced Stain and Odor Remover. This is not the original Nature’s Miracle - a good product‚ but not nearly as strong. This is the new one‚ the one in the red bottle. It was costly - just under $40 (with tax) for a gallon and it’s not a concentrate‚ so you don’t get to stretch it by mixing it with water. Because of the price‚ I was hesitant when I bought my first jug. But now I’m
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in your oven into ash. You can then just wipe it up easily with a damp cloth (after it cools of course). 7. Urine contains appreciable quantities of urea but almost no ammonia. Upon standing‚ urine specimens develop the odor of ammonia. Explain why this odor develops. The odor develops because of the bacteria present. The bacteria usually increase the pH as they break down urea to ammonia. Another factor involved is high acid levels. Ammonia release can occur when the body is too acidic. Ammonia
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conclusively determine its identity. 4. First test tube: a. Put 8 drops of the anion to be tested in a clean small test tube. b. Add 8 drops of hydrochloric acid to the anion solution. Note the appearance of the solution plus any evolution of gas and odors of gas. 5. Second test tube: a. Put 8 drops of the anion solution in a second test tube. b. Add 3 drops of silver nitrate solution. c. Note the colors of any precipitates formed. d. Write a net ionic equation for any reaction that produces
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Oxford Journals | Life Sciences & Medicine | Chemical Senses. Web. 7 Dec. 2010. <http://chemse.oxfordjournals.org/content/13/3/445.short>. 3. Smith‚ David V. "How Taste Works." World Book Encyclopedia. Vol. T. 2006. 4. Swindle‚ Mark. "How Odors Are Detected." World Book Encyclopedia. Vol. Smell. 2000. 5. Swindle‚ Mark. "Structures Important In Smell." World Book Encyclopedia. Vol. Smell. 2000. Acknowledgements I would like to thank God for making the human body so interesting and wonderful
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D) Compared to a "regular" white wine‚ a wine in the classic sur lie style should have simple odors and flavors. Points Earned: | 0.3/1.0 | | Correct Answer(s): | A‚ B‚ C | 6. There is a correlation between aroma compounds and the degree of sugar in grapes A) True B) False Feedback: Slide 17 Points Earned: | 1.0/1.0 | |
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