Chemical Composition of Petroleum

Petroleum or crude oil is a complex mixture of hydrocarbons and other chemicals. The composition varies widely depending on where and how the petroleum was formed. In fact, chemical analysis can be used to fingerprint the source of petroleum. However, raw petroleum or crude oil has characteristic properties and composition. Hydrocarbons in Crude Oil There are four main types of hydrocarbons found in crude oil. paraffins (15-60%)naphthenes (30-60%)aromatics (3-30%)asphaltics (remainder) The hydrocarbons primarily are alkanes, cycloalkanes, and aromatic hydrocarbons. Elemental Composition of Petroleum Although there is considerable variation between the ratios of organic molecules, the elemental composition of petroleum is well-defined: Carbon - 83 to 87%Hydrogen - 10 to 14%Nitrogen - 0.1 to 2%Oxygen - 0.05 to 1.5%Sulfur - 0.05 to 6.0%Metals - 0.1% The most common metals are iron, nickel, copper, and vanadium. Petroleum Color and Viscosity The color and viscosity of petroleum vary markedly from one place to another. Most petroleum is dark brown or blackish in color, but it also occurs in green, red, or yellow. Sources Norman, J. Hyne (2001). Nontechnical guide to petroleum geology, exploration, drilling, and production (2nd ed.). Tulsa, OK: Penn Well Corp. ISBN 978-0-87814-823-3.  Ollivier, Bernard; Magot, Michel (January 1, 2005). Petroleum Microbiology. Washington, DC: American Society of Microbiology. doi:10.1128/9781555817589. ISBN 978-1-55581-758-9.Speight, James G. (1999). The Chemistry and Technology of Petroleum (3rd ed.). New York: Marcel Dekker. ISBN 978-0-8247-0217-5.

The Invention Of Television Has Impacted American Society

I. Introduction: The first commercial to ever air in America was a 10 second ad for Bulova clocks and watches. This commercial cost nine dollars. Today, a typical commercial costs around two hundred dollars to a thousand dollars (Luckin). Both society and television have drastically changed from when television was first invented to today. Few inventions have had as big of an impact on American society as the television has. The invention of television has impacted American society positively, because it helps spread information faster and influences the way people think about important social issues, it provides cultural experiences and can help broaden viewer s perspectives, and it entertains and brings communities together. II. Background: The invention of television did not happen overnight. Different experiments by various inventors and scholars immersed in the fields of electricity and rado resulted in the development of the basic technologies and ideas that later became the groundwork for the invention of television (The History Of Television). Paul Nipkow was one of the first inventors that had a huge impact on the future invention of television. Paul discovered television’s scanning principle, which is when the light intensities of small portions of an image are analyzed and transmitted. In 1884, Nipkow invented a rotating disk, with one or more spirals of openings that passed across a picture, called the Nipkow disk (Paul Gottlieb Nipkow†). This inventionShow MoreRelated The Role of Television in American Politics Essay860 Words   |  4 PagesThe invention of the television has had an impact on all aspects of Americans lives. It has affected how we work, interact with others, and our foreign relat ions. 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Jersey Boys Musical Review free essay sample

I enjoyed the play because the story and music is very interesting, unique and entertaining. I have seen the play before in Alas Vegas and I must say that the cast in Alas Vegas was much better than the one I saw on Thursday night. The reason is because it went more In-depth with the story and also played every single hit that the band had made. Also, the singers in Alas Vegas were much more professional and sounded better because the actor portraying Frankie Avail did not have such a high itched voice as the one In Curran Theatre.My favorite composition from the band was Begging because the tempo and beat was so fast-paced and It was Impressive how the band had bright stage lights and fascinating dance moves. The music contained catchy rhythms and beats. Some notes would stretch out to make a nice vocal sound and some were just quick beats from the drums. We will write a custom essay sample on Jersey Boys Musical Review or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page The staging was very flashy because they had different stage lights with different colors for each part of the story. The costumes were very well suited. They actors wore fancy suits and some had a fancy top hot to match their costume.I thought the the whole play went fairly well and the audience seemed to really enjoy it. The music was pleasant and relaxing, the actors were spot on with no mistakes during the show and the crowd was very enthusiastic. The only part I had a slight problem about was the singer. HIS voice was way too high pitched and It didnt go well as a cover for the original compositions. My overall opinion would be a 4 out of 5 (4/5) because some of the impositions were not performed well and the music wasnt as smooth as the original compositions.The melody was virtuous which made the texture just as good. The rhythm was excellent along with the harmony but there were a few not so good structure of the music so to speak. Overall I enjoyed the music and performance. The great things about the music were stated in the paragraph above but there are a few negatives to the casts performance. Although they used the same ternary and binary forms for the pieces, meeting about the way they did it Just didnt go smoothly.I believe it was because of the tempo of the song. The tempo was slowed down a bit during some of the compositions. However I really enjoyed my time at the musical with my mom. She seemed to really enjoy It as well. She had the same Insights as I did about the musical. Jersey Boys Musical Review ay sharkskin lyres Boys watched this play on Thursday, April 18th at 8:00 PM at SHUN Curran Theatre in San Jersey Boys is about the story of Frankie Vail and the Four Seasons. Frankie Vail rock and pop.

Stereotypes and Prejudice Worksheet free essay sample

What are the positive aspects of stereotypes, if any? It is my personal conviction that stereotypes have absolutely no positive aspects. This sort of thinking only leads to deeper struggles and inequality within societies. It is absolutely vital for a deeper level of understanding to be reached by people of differing race and ethnicity in order for the possibility of a peaceful world to exist. What are the negative aspects of stereotypes? There are many negative aspects of stereotypes. One of the main consequences is the lack of unity within a society or population. If different groups are at war with each other within a society their chances of becoming a true world power are miniscule. Also stereotyping generally leads to violence and pain for everyone involved because of the conflict that it arouses. Part III Answer each question in 50 to 150 words related to those stereotypes. Provide citations for all the sources you use. We will write a custom essay sample on Stereotypes and Prejudice Worksheet or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Define stereotypes and prejudice. What is the difference between stereotyping and prejudice? Use examples to illustrate the differences. The text defines stereotypes as: unreliable, exaggerated, generalizations about all members of a group that do not take individual differences into account. Prejudice is defined as: a negative attitude toward an entire category of people, such as a racial or ethnic minority.The difference between these two concepts is that stereotypes are false beliefs about an  entire group of people that perpetuate fear and misunderstanding, like: all black people are thugs. Whereas prejudice is a negative feeling towards an entire group based on the fact that they are different. An example of this is the prejudice against hiring blacks to do a certain job because one feels they mentally inferior because they are a different race.(Schaefer 2012) What is the relationship between stereotyping and prejudice? The relationship between stereotyping and prejudice is basically one of escalation. The connection between the two usually occurs in the form that stereotyping leads to prejudice. This often occurs because stereotypes create a sense of uncertainty and distrust between groups and prejudice is a more refined and focused form of intolerance that often leads to discrimination and hate. What can be done to prevent prejudice from occurring? The biggest thing that can be done to prevent prejudice is to educate people about other races and ethnicities, and to work towards establishing a better degree of understanding and unity between different groups of people. It is also necessary to single out those who are acting in a prejudiced manner and show that this type of sentiment will not be tolerated. Stereotypes and prejudice worksheet free essay sample What are the positive aspects of stereotypes, if any? To be honest I can think of any positive aspects of stereotypes. Unless you just like the attention that some of the stereotypes give you like if your heavy set some people say you are lazy so they don’t expect too much out of you. So if you like not being under pressure and you don’t mind being called lazy then I guess that could be a positive stereotype. What are the negative aspects of stereotypes? In my opinion all of them are negative, anything that hinders someone from being able to get something out of life is a negative thing. So when people are labeled because of some feature that is not in there control then its deffinately a negative thing. I can’t find anything positive out of stereotyping. Part III Answer each question in 50 to 150 words related to those stereotypes. We will write a custom essay sample on Stereotypes and prejudice worksheet or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Provide citations for all the sources you use. Define stereotypes and prejudice. What is the difference between stereotyping and prejudice? Use examples to illustrate the differences. Stereotypes unreliable, exaggerated generalizations about all members of a group that do not take individual differences into account. (Schaefer, 2012) The word prejudice refers to prejudgment, or forming an opinion before becoming aware of the relevant facts of a case. (Wikipedia) To me the differences between the two even though there small. But the differences would be that prejudice is a learned judgment where as stereotypes is a unreliable generalization about a group of people. An example of prejudice is a family taught hate towards a certain group of people. And an example of stereotypes would be the news telling the public that all Muslim’s are terrorist just cause of one extreme group of Muslim’s. What is the relationship between stereotyping and prejudice? I think the relationship of stereotyping and prejudice would be the person doing the action is just doing it because they don’t really have a understanding or an educated opinion on a certain group of people so they are really just acting upon their misunderstanding of a group of people. What can be done to prevent prejudice from occurring? To be simple and in one word. Action, the best way to prevent something like that is to act and teach the young generations what wasn’t being taught to our generation. Stop the hate stop the uneducational slander to anyone and everyone and I think everyone that wants it to be different to just get up and do something about it instead of just gripping about it. Thank you