Flowers and Acid Call them freaks‚ the underground‚ the counterculture‚ flower children‚ or just simply hippies‚ they are all loose labels for the youth culture of the 60’s that transformed life in the West as we knew it‚ introducing the spirit of freedom‚ of hope‚ of happiness‚ of change‚ and of revolution (Miles 9). The years that made up the 1960’s were some of the most exciting and turbulent years in American history. The post World War II baby boomers grew up. A president and
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watched the pH become more acidic‚ since the desired bacteria would produce lactic acid. The lactic acid would control by inhibiting the spoilage of the cabbage or the cucumber. This was seen by the increase of the acidity in both of the environment‚ which was seen as the pH went from a neutral 7.0 to a relatively acidic 4.0. The drop in the pH from the acid production from lactic fermentation‚ and are know as lactic acid bacteria. (Foster‚ 2009) Typically‚ these bacteria are Lactobacillus spp.‚ Streptococcus
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and necrosis. The mechanism as to how cholecystitis takes place is said to be uncertain‚ many theories exist. Injury may be the cause of retained concentrated bile which is a very unpleasant substance. In the occurrence of extended fasting‚ the gallbladder never obtains a cholecystokinin (CCK) stimulus to empty; thus‚ the concentrated bile remains immobile in the lumen. Cholecystitis regularly shows as a pain in the right upper quadrant. The gallbladder may possibly be tender and distended. Pain
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Oxygen 2. Carbon 3. Hydrogen 4. Nitrogen 5. Calcium 6. Phosphorus 7. Potassium 8. Sodium 9. Chloride 10. Magnesium 11. Iodine 12. Iron . Bases are substances that (release/accept) hydrogen ions. 9. The bicarbonate ion is an important (acid/base) in the human body. 10. Because water molecules have a positive pole and a negative pole‚ we consider the water molecule to be a ___Polar___ molecule. 11. Water molecules bond with other water molecules by a weak ___Hydrogen___ bond.
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(Fe3+ ) form. Ferric form is not usually absorbed in the body. In the stomach‚ there is low pH of 2 due to presence of gastric acids such as Hydrochloric and Ascorbic acids. These acids provide an acidic environment for reduction of ferric iron to ferrous (Fe2+). Ferrous iron can be absorbed in the body system. As in following equation of iron (iii) reaction with Ascorbic acid ‚ the product is iron (ii) chloride which is soluble 2 Fe3+ (s) + C6 H8 O6 (aq) → 2 Fe2+ (aq) + C6 H6 O6 (aq) + 2 H (aq)+
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proton(s)‚ (one/zero) electron(s)‚ and (one/zero) neutron(s). 6. A hydrogen ion has (one/zero) proton(s)‚ (one/zero) electron(s)‚ and (one/zero) neutron(s). 7. Acids are substances that (release/accept) hydrogen ions. 8. Bases are substances that (release/accept) hydrogen ions. 9. The bicarbonate ion is an important (acid/base) in the human body. 10. Because water molecules have a positive pole and a negative pole‚ we consider the water molecule to be a ____________ molecule. 11
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ETHERS Classification of Ethers: Symmetrical ethers – two groups attached to O are identical Ex. CH3CH2OCH2CH3 – diethyl ether Unsymmetrical ethers – two groups attached to O are not identical Ex. CH3CH2OCH3 – ethyl methyl ether Physical Properties of Ethers: Ethers have much lower boiling points compared to alcohols of comparable MWs. BPs of ethers increases with increasing MW. BPs of isomeric ethers increase with increasing alkyl chain length. BPs of ethers are about the
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analysts forecast the Global Lead Acid Battery market to grow at a CAGR of 3.5 percent over the period 2013-2018. One of the key factors contributing to this market growth is the development of AGM lead-acid batteries. The Global Lead Acid Battery market has also been witnessing an increase in the power deficit. However‚ the possibility of explosion could pose a challenge to the growth of this market. To Get More Details : http://www.bigmarketresearch.com/global-lead-acid-battery-2014-2018-market
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Wang Experiment #4 Recrystallization of Pure Phthalic Acid‚ Benzoic Acid and Napthalene Introduction Recrystallization is a important method in purifying organic compounds which are solid. It is an effective method that is important to be familiar with that is essential in the industrial chemical world. This experiment will allow students to be familiarized with the technique of recrystallization by working with phtalic acid‚ benzoic acid and naphthalene from appropriate organic solvents. Experimental
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Lecture 5 Lizan A. Majeed Reading Paragraph Purpose Each paragraph in a text has a clear purpose. For example: The first paragraph introduces the topic‚ states the purpose of the text‚ or describes a problem or situation. The body paragraphs develop arguments‚ try to persuade‚ suggest solutions‚ or describe developments. The final paragraph concludes‚ evaluates‚ or discusses consequences. Identifying the purpose of each paragraph helps you understand the text and decide where
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