The purpose of Module 11A was to test for the presence or absence of a particular set of functional groups through the use of wet chemical tests. In this manner‚ Unknown A which was a colorless solution‚ was first tested with 2‚4-DNP which after mixing for a few seconds formed a bright yellow precipitate. Although this confirms the presence of either a ketone or aldehyde group‚ one simple chemical test does not completely specify the presence or absence of other functional groups. Therefore‚ a second
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From the graph I can clearly see that Distilled water has a much larger concentration of water then the cell sap in the potato tissue. I can make this conclusion because the results show a big increase in weight of the potato piece. Meaning that water has moved from outside the potato into the potato due to Osmosis‚ proving that the distilled water had a higher concentration of water‚ as water moves from a high concentration to a low concentration. I can also see that the glucose
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Unknown Microorganisms May 1‚ 2013 This paper is based on an experiment done in the laboratory over a period of time using the standard method of identifying an unknown microorganism relying on features such as morphology‚ arrangements and biochemical reactions. It was done in succession with each step complimenting the other. At the end of the experiment three microorganisms Bacillus azotoformans‚ Staphylococcus aureus‚ and Escherichia coli was identified and one result was inconclusive. The
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Experiment: determination of densities Introduction The density of a sample of matter represents the mass contained within a unit volume of space in the sample. For most samples‚ a unit volume means 1.0 ml. The units of density‚ therefore‚ are quoted in terms of grams per milliliter (g/ml) or grams per cubic centimeter (g/cm3) for most solid and liquid samples of matter. Density is often used as a point of identification in the determination of an unknown substance. The density of the unknown might
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Werner 05 March 2012 The Unknown Citizen By W. H. Auden Several conflicts are dramatized in The Unknown Citizen‚ the most prominent being: conformity of the middle class‚ government manipulation‚ and the loss of individualism to the standards of an average citizen. The speaker of this poem is non-traditional as the poem is‚ in fact‚ an inscription on a “marble monument erected by the State.” The inscription is dedicated to a “JS/07 M 378”—presumably‚ “The Unknown Citizen‚” although this term
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they are setting‚ conflict‚ theme and tone. The Unknown Citizen‚ written by W.H Auden‚ is a poem that will be compared with the lottery‚ written by Shirley Jackson. Both‚ the short story and poem‚ share 2 literature devices in common. They exhibit Irony and symbolism within them. The usage of both will be compared to acknowledge the similarities between the two different literature styles. Although they may not fall into the same genre‚ both the Unknown Citizen and The Lottery share common literature
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Affirmative Action is any effort taken to expand opportunity for women or racial‚ ethnic and national origin minorities by using membership in those groups that have been subject to discrimination as a consideration. The Fourteenth Amendment states that no person in the United States shall‚ on the ground of race‚ color‚ or national origin‚ be excluded from participation in‚ be denied the benefits of‚ or be subjected to discrimination under any program or activity receiving Federal financial assistance
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1.Introduction 1.1 Introduction Marriage is a fundamental step in life. In the past‚ marriage is controlled by the family. There is no freedom for the people to choose their partner and the format of the wedding is standardized in traditional Chinese wedding. Nowadays‚ under the effect of Modernization and Westernization‚ Hong Kong citizens are no longer to follow their family’s opinions. They can make own decision on either holding a western wedding or a Chinese style-wedding basis on their preference
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Tomb of the Unknown Soldier The Tomb of the Unknown Soldier sits near the center of Arlington National Cemetery and is the final resting place for unidentified soldiers from wars fought by the United States. It has a lot of history‚ and significance to the country. The idea of a tomb for unknown soldiers came during WWI when the British buried an unidentified soldier at Westminster Abbey. Some people buried there are President Taft‚ Joe Lewis‚ and Medal of Honor winner Audie Murphy (the most
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though she endures a hard life‚ or pursue independence and adventure offered by her love interest‚ Frank. Proving‚ that even though there is something better out there for her‚ she’d rather stay with her familiar lifestyle. Sometimes the fear of the unknown is too great that we allow ourselves to think our current situation is adequate making it hard for Eveline to make her final decision‚ abandon family obligations and hope for improvement. In order to have change occur‚ a decision needs to be made
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