In the first reaction‚ magnesium was burned to produce magnesium oxide. The reaction produced a bright light‚ which is evidence of a chemical change. The second reaction occurred as a result of solid magnesium reacting with hydrochloric acid. The reaction produced heat and bubbles‚ both indications of a chemical change. A wood splint was used to determine that the gas produced was hydrogen gas‚ hence the other product is magnesium dichloride. In the third reaction‚ ammonium carbonate was heated to
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Benzil is produced in the first step of this experiment’s multistep synthesis through the oxidation of benzoin. In order to produce the desired o-diketone‚ the alcohol on benzoin must be oxidized. Nitric acid was the oxidizing agent used in this experiment. As a result‚ the alcohol group on benzoin acted as the nucleophile and attacked the electrophilic nitrogen of nitric acid. As this step forms oxonium‚ excess water in the system deprotonated the oxonium to restore the neutral charge on oxygen
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adopting new technologies and are using feed acidifiers for supplementing the diets of animals. The market value of propionic acid as a feed acidifier was the highest in 2012‚ and is projected to grow with the increasing demand for feed acidifiers in the livestock industry. The benefits of feed acidifiers are leading the market demand in the feed industry. The fumaric acid market is comparatively small and is projected to grow at a CAGR of 5.8% from 2013 to 2018. The feed acidifiers market is projected
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Peter Mehnert Rhet 105 Ms. Paterson 11/14/12 Extended Synthesis: Cigarette Smoking Tobacco has played an important role in America from the beginning. It was grown as a cash crop by the Jamestown settlers in 1612‚ but over the years the popular opinion has changed about tobacco. Tobacco is used to make cigarettes‚ which have been extremely popular‚ now known to be extremely dangerous. Even the warnings on the cigarette box have changed to a statement much more alarming. In the 1960s‚ the warning
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Synthesis of Information In summary‚ the articles researched were divided into four main categories. The categories all focused on something different. The categories were; the perception kids have on food‚ communities raising healthy kids‚ nutritional awareness and the school context. The first two articles had the common theme of how children view food and to find what children thought and felt about healthy food. The third article was aimed towards parents. The theme of this article was how
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Chris Goodman Essay Assignment #2: Explanatory Synthesis Explanatory Synthesis of Childhood Obesity Childhood obesity is a major problem in the United States. There are multiple reasons for this problem including the child’s school system‚ the access to technology in young children and the child’s genes. It is sometimes inevitable for a child to be obese due to their genes. There are some precautions being made to help this problem. Some might work but others might fail. Childhood obesity
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Starting with the weight of .198 g of salicylic acid‚ the moles of the reactant was determined to be 1.43 x 10-3‚ as shown in Equation 3. The purified aspirin product was a white powder that had a weight of .140 g. The number of moles of the purified aspirin product after extraction was 7.77 x 10-4 as shown in Equation 4. These two moles calculated a chemical yield of 54.3% as shown in Equation 5. The melting point of the pure aspirin product was ranged at 117.8-125.2C as shown in Table 1.
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agent for rabies. The rabies virus is enveloped‚ it is covered/surrounded by a covering for protection. The rhabdovirus contains up of a helical ribonucleoprotein core(RNP)‚ and an envelope that is surrounding the viru (CDC‚2011). Eukaryotes have a synthesis process between protein and RNA that forms the ribonucleoprotein. The rabies genome has five protein components: nucleoprotein‚ phosphoprotein‚ matrix protein‚ glycoprotein‚ and polymerase protein(CDC‚2011).
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Synthesis Argument Do you want to have everything decided for you? Does that make you feel safe and comfortable? How about confused and concerned? Do you see too many laws that restrict your freedom? Government protects people from threats and is not to unnecessarily legislate that restricts freedom and governs morality but to leave that to the realm of individual responsibility. Government is defined by the Webster Dictionary as "the system by which a state or community is governed." In America
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It is highly sensitive to acid in the solution sate‚ enabling its wide application as pH-dependent probes. In acidic solutions‚ the ring-opened form is predominant‚ and therefore it is strongly fluorescent. Although this acid-sensitive equilibrium has been well known in solutions‚ its properties in the solid states are not well examined. Therefore‚ relative test of acid gas-sensitive property of RH-PY was proposed in this study. Figure 1. (A) Device schematic of acid-gas sensitive test‚ (B) Absorption
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