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Oxide Essay Topics & Paper Examples

Sustainability paper vs. plastic

I. Introduction a. Why paper vrs Plastic b. The effects on our environment b.i. Paper b.i.1. Destroying our forest (http://web.archive.org/web/20070619104819/http://www.ecology.com/feature-stories/paper-chase/index.html) b.i.2. High level of consumption and waste b.i.3. paper polution b.i.4. Pulp Mills contribute to: b.i.4.a. air and land polution (Discarded paper is a major component of many landfill sites. (http://en.wikipedia.org/wiki/Environmental_impact_of_paper#cite_note-epa-1) (http://en.wikipedia.org/wiki/Environmental_impact_of_paper#cite_note-5) b.i.4.a.i. Nitrogen dioxide (NO2) sulfur dioxide (SO2) and carbon dioxide (CO2) are all emitted during paper manufacturing. Nitrogen dioxide and sulfur dioxide are major contributors of acid rain, whereas CO2 is a greenhouse gas responsible for climate change. b.i.4.b. water pollution b.i.4.b.i. Waste water discharges for a pulp and paper mill contains solids, nutrients and dissolved organic matter such as lignin. It also contains alcohols, and chelating agents…

Benedict’s Solution

What is Benedict’s Solution? Benedict’s solution, deep-blue alkaline solution used to test for the presence of the aldehyde functional group, – CHO. The substance to be tested is heated with Benedict’s solution; formation of a brick-red precipitate indicates presence of the aldehyde group. Since simple sugars (e.g., glucose) give a positive test, the solution is used to test for the presence of glucose in urine, a symptom of diabetes. One liter of Benedict’s solution contains 173 grams sodium citrate, 100 grams sodium carbonate, and 17.3 grams cupric sulfate pentahydrate. It reacts chemically like Fehling’s solution; the cupric ion (complexed with citrate ions) is reduced to cuprous ion by the aldehyde group (which is oxidized), and precipitates as cuprous oxide, Cu2O….