the density of water and an unknown liquid. Density is defined as the mass of a substance divided by its volume. It is an intrinsive property of matter and is used to specifically characterize substances. III. Procedure: 1.We massed an empty 10mL graduated cylinder to the nearest .01g. 2.Then‚ we filled the graduated cylinder with 4.0-5.0 mL of distilled water‚ 3.massed it to the nearest 0.1 ml and 4. recorded the data. Then to determine the density of the unknown liquid; we repeated the steps
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Requirements for Unknown Report You have been provided a mixed culture (a gram positive and a gram negative) from which you should have isolated each type of organism‚ described their colonies on a TSA plate‚ and described their cellular morphology. You were graded on this activity separately. After you have isolated your gram negative in pure culture you will be subjecting it to various biochemical tests and making observations about the cells‚ colonies‚ growth temperature preferences‚ etc. in
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In the unknown identification labs‚ we have identified our unknown as Pseudomonas aeruginosa. Pseudomonas aeruginosa is Gram negative and rod shaped that we found to be motile in the lab. Our strain of P. aeruginosa formed colonies that were round in shape and had scalloped margins on nutrient agar. On our agar slant‚ the P. aeruginosa colonies had a filiform appearance on the edges. I think we correctly identified our unknown as P. aeruginosa because we performed several different tests‚ eleven
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"The Unknown Citizen" is an occasional poem. That is to say‚ it is a poem written to mark a specific occasion or event. The occasion is indicated in the lines contained in parenthesis that precede the body of the poem. As these lines indicate‚ the poem is a written monument that functions like a cenotaph: it commemorates a fallen man whose identity is unknown. However‚ unlike the soldier who falls in a battle of war‚ the battle this individual appears to be unwittingly a part of is a social battle
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The use of positive and negative controls to determine the macromolecules present in an unknown solution Course # 6130‚ Wednesday‚ 7-10 PM‚ B2-151 Lab performed: September 21st‚ 2011 INTRODUCTION Every living thing is dependent on large complex molecules‚ known as macromolecules. The objective of this lab was to correctly identify which macromolecules the unknown solution was comprised of using various substances as experimental controls. There are four major types of biological macromolecules
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Analysis of an Unknown Mixture Performed: 2/13/14 Submitted: 3/3/14 Abstract: The purpose of this experiment was to separate and identify the two unknown compounds. The sample used was 105 and it contain 2-propanol and 2-heptanone. IR spectrums were taken of the contents of the second and sixth test tubes and showed the presence of an OH functional group and a small amount of ketone in test tube two and a large presence of ketone in test tube six. The average boiling points of the test tubes
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I believe that getting the chance to lay a wreath at the Tomb of the Unknown Soldier in Arlington Cemetery would be a tremendous honor. Guarding the tomb is one of the highest military honors‚ but I also think it is a great honor to get to represent your school to remember those who have lost their lives. One major reason I want to lay the wreath is because I have several family members that have been in the military. Fortunately‚ I have been lucky to have my family come home to me alive and known
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Karen Cote English 102 15 February 2011 W. H Auden: The Unknown Citizen The marble monument erected by the state or town is usually of a hometown hero. The person is almost always someone who did well for the country and originated from a certain town. The statue is almost never of someone who is just an ordinary man living life just like everyone else around him. This man is the model citizen; one who never causes a stir‚ goes to war when asked‚ and does everything to serve the common good
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Problems with Society and Self Although the plot of Women Unknown may seem like the theme of a Bollywood movie‚ the author has implanted several different thematic ideas in this short story. One of the most important themes of this story is the value of materialistic wealth or possessions. At the introduction of this story‚ the reader is informed that Anupam’s father was a poor man who had “earned a great deal of money as a lawyer‚ but never had the leisure to enjoy his wealth.” This small‚ yet
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Unknown reports in microbiology are written in scientific format. Scientific writing is written differently from other types of writing. The results of the exercise or experiment are what are being showcased‚ not the writing. The purpose of scientific writing is not to entertain‚ but to inform. The writing should be simple and easy to understand. There is a specific style that must be followed when writing scientific reports. Scientific writing is typically written in the passive voice. The
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