Sludge Lab Report Essay Example for Free

Sludge Lab Report Essay For the first physical observation, I tried smelling the mixture. It smelled like permanent marker. Next I tried sticking a spoon in it and stirring the tan solid lightly. It looked like it was an extremely smooth sand. Finally, I tried drinking the liquid. Nah, I’m kidding! To start off, I will describe the liquid. I separated it simply by using the decanting technique. I carefully poured it off of the mixture of solids and into a separate plastic cup. Easy. The physical property of phase was used for separation. It was the only liquid in the mixture. Then I had to identify it. I smelled it and it had a permanent marker smell to it. That led me to believe it was an alcohol. Next, I tried measuring the density using a graduated cylinder and a balance. I measured the amount of alcohol I put in the graduated cylinder (volume) and how many grams it was on the balance (mass). The volume was 9. 2cm3, the mass was 7. 25g, and the overall density was . 79cm3. That proved my liquid was not water. Finally, I tested the boiling point to determine what type of alcohol it was. I used a ring stand, thermometer, hot plate, test tube, and a beaker full of water. I placed the beaker full of water on the hot plate. I then filled the test tube with my liquid and attached it to the ring stand. Finally, I put the thermometer in the test tube and turned the hot plate on high. The liquid really started boiling around 78 degrees (Celsius), so I concluded that my alcohol was ethyl alcohol. Next we have the blackish/brownish particle layer. To separate it, I used the magnetic retrieval technique. This tests the physical property of magnetism. I simply used a magnet to retrieve the particles and a toothbrush to remove them from the magnet into a separate paper cup. There’s only one substance that is magnetic, but I had to do two more tests. I simply checked solubility in water in alcohol. It wasn’t soluble in either. It was, obviously, iron filings. The third substance I decided to separate from the mixture was the tan sand. After the liquid was removed, the solid wasn’t as silky and it was more like normal sand. I also discovered the â€Å"rocks† were actually clumps of this substance. ANOTHER thing I discovered was white/clear grains. Yes, it was a salt! That means there’s only one way to separate this stuff: dissolve and filter. I poured water onto the rest of the mixture and stirred it up for a solid minute or so. After that, I poured the water into a funnel lined with filter paper which dripped down into another cup. This left me with only the tan sand. First I tried smelling it. It had a REALLY strong smell. Secondly, I recalled it being in the alcohol with a few particles floating around. This got me to believe it was slightly soluble in alcohol. Finally, I tried testing solubility in water. It just floated at the top without any particles floating around in the water, so it wasn’t soluble in water. Due to these factors, I determined it was sulfur. Last, but certainly not least, the white/clear grains. Before I evaporated the water, I took note that it’s soluble in water. To separate it from the water, I evaporated it off. I simply put it on a hot plate, set it on high, and poof. Only grains. By now I identified it as a salt. My next test was alcohol solubility. Turns out, it’s only slightly because the alcohol was very cloudy after the dissolving process. Lastly, I put a sample on a watch glass with some water and left it out over night to check crystal shape. In the end, the crystals were spear shaped, leading me to the conclusion that it was potassium nitrate. All in all, my sludge consisted of ethyl alcohol, iron filings, sulfur, and potassium nitrate. I think my only difficulty was that I discovered the salt fairly late in the process. Overall, I enjoyed this lab because I really felt like I was doing something a real scientist would do. Oh yeah, and I felt a feeling of loss once I had to throw my work away. Sniff.

Willy Loman as Tragic Hero of Death of a Salesman Essay -- Death Sales

Willy Loman as Tragic Hero of Death of a Salesman       Willy Loman, the title character of the play, Death of Salesman, exhibits all the characteristics of a modern tragic hero. This essay will support this thesis by drawing on examples from Medea by Euripedes, Poetics by Aristotle, Oedipus Rex by Sophocles, and Shakespeare's Julius Caesar, while comments by Moss, Gordon, and Nourse reinforce the thesis.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Death of Salesman, by Arthur Miller, fits the characteristics of classic tragedy. ?.... this is, first of all, a play about a man's death. And tragedy has from the beginning dealt with this awesome experience, regarding it as significant and moving.? (Nourse).   The first defining point of a tragedy is the hero. The traits for a tragic hero, as defined by Aristotle in Poetics, are social rank, hamartia, ability to arouse pity, peripeteia, hubris, and anagnorisis. Will Loman's classification as a tragic hero has been debated because he lacks the high social rank and nobility to be considered so. Arthur Miller chose to argue this, however, by stating that Willy Loman was ?a very brave spirit who cannot settle for but must pursue his dream of himself to the end,? (Moss, 27) reasserting the character of a modern hero as noble, not in position ... ... Twayne Publishers, 1967. Nourse, Joan T. Arthur Miller's 'Death of a Salesman' and 'All My Sons.' New York, 1965. Shakespeare, William. Julius Caesar. Elements of Literature. Ed. Edwina McMahon et al. New York: Holt, Rinehart and Winston, Inc., 1997. Sophocles. "Oedipus Rex." Elements of Literature. Ed. Robert Scholes, Nancy Comley, Carl H. Klaus, and David Staines. Toronto: Oxford University Press, 1990. 714-757. Sophocles. Oedipus Rex. New York: Dover Publications, Inc., 1991. Clinton W. Trowbridge, "Arthur Miller: Between Pathos and Tragedy," Arthur Miller, ed. Harold Bloom (New York: Chelsea House, 1987) Willy Loman as Tragic Hero of Death of a Salesman Essay -- Death Sales Willy Loman as Tragic Hero of Death of a Salesman       Willy Loman, the title character of the play, Death of Salesman, exhibits all the characteristics of a modern tragic hero. This essay will support this thesis by drawing on examples from Medea by Euripedes, Poetics by Aristotle, Oedipus Rex by Sophocles, and Shakespeare's Julius Caesar, while comments by Moss, Gordon, and Nourse reinforce the thesis.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Death of Salesman, by Arthur Miller, fits the characteristics of classic tragedy. ?.... this is, first of all, a play about a man's death. And tragedy has from the beginning dealt with this awesome experience, regarding it as significant and moving.? (Nourse).   The first defining point of a tragedy is the hero. The traits for a tragic hero, as defined by Aristotle in Poetics, are social rank, hamartia, ability to arouse pity, peripeteia, hubris, and anagnorisis. Will Loman's classification as a tragic hero has been debated because he lacks the high social rank and nobility to be considered so. Arthur Miller chose to argue this, however, by stating that Willy Loman was ?a very brave spirit who cannot settle for but must pursue his dream of himself to the end,? (Moss, 27) reasserting the character of a modern hero as noble, not in position ... ... Twayne Publishers, 1967. Nourse, Joan T. Arthur Miller's 'Death of a Salesman' and 'All My Sons.' New York, 1965. Shakespeare, William. Julius Caesar. Elements of Literature. Ed. Edwina McMahon et al. New York: Holt, Rinehart and Winston, Inc., 1997. Sophocles. "Oedipus Rex." Elements of Literature. Ed. Robert Scholes, Nancy Comley, Carl H. Klaus, and David Staines. Toronto: Oxford University Press, 1990. 714-757. Sophocles. Oedipus Rex. New York: Dover Publications, Inc., 1991. Clinton W. Trowbridge, "Arthur Miller: Between Pathos and Tragedy," Arthur Miller, ed. Harold Bloom (New York: Chelsea House, 1987)

English Literature- Lamb to the Slaughter

Lamb to the slaughter -Roald Dahl     By P. Baburaj, Senior Lecturer, Dept. of English, Sherubtse college, Bhutan Author of: Language and writing, DSB Publication Thimphu Communicative English, P. K. Books, Calicut A perception on Literary Criticism, P. K. Books, Calicut     Black comedy/blackhumour -is concerned with the humorous treatment of the shocking, horrific and macabre. Black comedy is actually a form of drama which displays a marked disillusionment and cynicism.It shows human beings without conviction with little hope, regulated by fate or fortune or comprehensible powers. In fact, human beings in an ‘absurd’ predicament at its darkest, such comedy is pervaded by a kind of sour despair; we can’t do anything. So we may as well laugh. The wit is mordant and the humor sardonic. Dramatic irony When the audience understands the implication and meaning of a situation on stage, or what is being said, but the characters do not. Example-Oedipus does not r ealize his crime. Sir Peter Tezel (in school for scandal) does not know his wife is behind the screen when he is talking about Joseph Surface.Symbols. ? The ‘warm’ and ‘clean’ attic indicates the desire for normal domestic pattern. ? The ‘curtain drawn’- shows a calm atmosphere that foreshadowing of hidden subconscious desires that are yet to surface in the form of murderous action. ? Two lamps alight- point to Mary and Patrick. ? Fresh ice cubes in the thermos points to coldness and heat. Ice is cold and thermos brings heat to the mind. Contemporary story. ? Story tells of how a pregnant woman when faced with the certainty of her husband leaving her, takes control of her situation. ? Powerful woman protagonist -breaking away from the stereotypical role of a woman. Packed with suspense and humor. ? Fast-paced action. ? ? ? ? ? ? Third person omniscient narrative. Conventional and straight forward language. Role reversals- reversal of Maryâ€⠄¢ the merry innocent docile wife to a cruel murderer Dramatic irony, A type of situational irony. A best example of a black comedy. . . Contrasting what a character perceives and what the audience and one or more of the characters know to be true. Revenge, deception and ethics are some of the issues that one could explore in this story. Theme- love- betrayal, revenge and deception. Mary Maloney a victim and a villain. A faithful, docile pregnant wife who gets cheated. Story of? Married and a romantic couple. ? Maloney’s unexplained decision to leave his wife†¦.. ? Violation of the marriage law(deception) ? Mary’s killing of her husband and her ultimate deception ? ? ? ? ? ? Setting-Maloney’s drawing room -Entire room of the house. -Sam’s grocery shop (short scene). ? Lamb is a Biblical Symbol of innocence/ symbol of peace, but here a powerful weapon of murder. ? So lamb symbolizes here violence, death and revenge- topsy-turvy to its conventional bib lical concept. By P. Baburaj, Senior Lecturer, Dept. of English, Sherubtse college, Bhutan *********************************

Music Therapy ( Mt ) - 1845 Words

For most, music plays an integral role in life. Whether it’s putting a playlist on to get hyped-up for a daily workout, or shuffling through an Adele album to get through a bad break-up. In short, music is connected to our mood. Henceforth, it should come as no surprise that music therapy (MT) has been used in various forms of rehab, specifically in terms of Autism Spectrum Disorder (ASD). ASD is a condition masked with impairments to social functioning, speech, and language along with unusual behaviors such as fixations and repetitive movements (Boso et al., 2007). Therapy associated with ASD has usually been associated with speech fixation therapy or occupational and physical activity/challenged-based therapy, to name a few, however†¦show more content†¦In a study conducted by LaGasse in 2004 looked to measure the effect of music therapy when conducted as a group to see if the social skills of children with ASD would change, compared to a regular social skills grou p. The study employed seventeen participants with an age range of 6 to 9 years old. The groups engaged in 10 sessions, twice a week, with a schedule of a welcome exercise, followed by a rotation of sensory and social experiences and finally ended with a farewell exercise. The social experiences specifically looked at promoting eye contact, communication and joint attention (LaGasse, 2014). Exercises included passing a ball amongst the group, board games, and telling of jokes to the group. The experience of music to half of the groups was done in a way that would be similar to the nonmusical groups, such as music making instead of play a game or using music to help complete a social interaction (LaGasse, 2014). Results found that specifically after finishing all ten sessions, parents of children who received music based therapy reported large increases in not only eye contact situations, but also in length of time. While eye gaze did increase overall, LaGasse found that it increased among peers but decreased amongst adults, explaining it could be due to the facilitators shifting for a more peer-to-peer interaction. Results from LaGasse’s study were able to show initial evidence those social skills such as joint attention and eye contact could beShow MoreRelatedEssay On Complementary Therapies1141 Words   |  5 Pageshealth conditions are often more effectively addressed with the integration of complementary therapies (Burns et al., 2017). Children and families are turning to CAM for hope in managing illnesses and improving quality of life. CAM includes a variety of products and therapies, new and old, many requiring more research regarding their safety and effectiveness. The largest gap in research of integrative therapies is in the pediatric population (McClafferty et al., 2017). 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