The amount of energy Essay Example for Free

The amount of energy Essay In this investigation I will be burning alcohols to heat up a can of water. I will be burning four alcohols, methanol, ethanol, propanol and butanol. The aim is to find out how much energy is produced when burning these alcohols. Alcohols react with oxygen in the air to form water and carbon dioxide. The reaction that is involved in burning alcohols is exothermic because heat is given out. From this reason the reactant energy is higher than that of the product. The energy is given out when forming the bonds between the new water and carbon dioxide molecules. The amount of energy produced by such exothermic reactions can be calculated by using the formula Mass of the substance x rise in temp x SHC (specific heat capacity). The specific heat capacity is the number of joules required to heat one gram of water by 1 °C. I chose to use water because it is safe, easily found, and has a reliable specific heat capacity of 4.2. I will also need to ensure that I conduct the experiments safely. As alcohols are very dangerous and highly flammable I will wear my safety goggles at all times. I will need to keep all lose items off clothing tucked in. the lids on the alcohols must be kept on at all times to prevent evaporation or any spillages. Prediction I predict that the more bonds there are holding the carbon, oxygen and hydrogen atoms together, more energy will be required to break them apart. For example Ethanol has the formula C H OH. In this formula you have five C-H bonds, one C-C bond, one C-O bond and one O-H bond. To separate these types of bonds you require a certain amount of energy which I will show in a table. To separate C-H bond you need to apply 410 joules of energy. There are five such bonds in ethanol so you multiply 410 by five to get 2050 joules. You do these calculations for all the other types of bonds that make up ethanol, add them all together and you get 3270 joules. All of the other alcohols can be broken up in this way. Below is a table showing the energy required to break up the bonds in each alcohol. Type of alcohol Energy required to break the bonds in the alcohol (kj) As you can see a longer molecule takes more energy to break its bonds, in this case Butanol. Compared to a smaller molecule, methanol that requires less energy to do so. I can come to predict that the longer the molecular structure in the alcohol the more energy it will take to remove the bonds. So when I come to predicting results I can safely say that Butanol will evolve more energy than methanol simply because it has more bonds to break. Analysing and drawing conclusions I think my results tables and graphs clearly show the pattern that I have found in this experiment. That is that heat combustion does increase when  the amount of carbon atoms increases. I believe that my results do show a positive correlation and do show that the more carbon atoms there are the heat of combustion goes up. Another reason for these results is that the molecular length becomes longer in the bigger molecules increasing the surface area hence allowing more energy to be released. These results do support my initial prediction. After this I can conclude that my initial prediction was actually right but I didnt allow for all of the experimental errors. I conclude that carbon atoms in alcohols do have an effect on the heat of combustion. As the amount of carbon atoms go up the heat of combustion does. This is because everytime you add another carbon atom you are also adding 15 onto the relative atomic mass that plays a big part in calculating the end results. Evaluation Sound and light energy could have been lost into the room. I could have placed heatproof mats around my experimental area, they could not have kept all of the heat in and much of this would have been taken away in the convection currents through the air. The tin that the water was being held in would have used up some of the heat energy to heat itself up. The alcohol containers had varying amounts of alcohol in them to start with along with varying sizes of wicks. This all contributed to the fact that the flame coming from the alcohol was varying in size so was sometimes not even touching the tin can. The room temperature would also have acted as a cooling agent. One of the less important factors could have been if there was a lacking of oxygen leading to incomplete combustion. Then the oxygen molecules would only form with one carbon molecule producing carbon monoxide but I doubt this actually happened. This was a very difficult experiment to conduct in a classroom because there are lots of potential ways of losing heat because everything likes to gain heat energy. I think the thing that hindered our results the most was the fact that gusts of air and convection currents were taking the heat away from the experimental area and there was no way to stop this. Perhaps if I started the experiment below room temperature, so that the amount of gained  energy, from room temperature, might equal the energy lost at temperatures higher than room temperature, then the experiment could produce better results. If there is a limited supply of oxygen then you get carbon monoxide (each carbon atom can only bond with one oxygen atom). This is when incomplete combustion has occurred. This is so because the carbon monoxide could react some more to make carbon dioxide. If the oxygen supply is very limited then you get some atoms of carbon released before they can bond with any oxygen atoms. This is what we call soot. Since heat is given out when bonds form, less energy is given out by incomplete combustion. So this is why it affects the outcome of the experiment. To overcome this problem, I would have to make sure a sufficient supply of oxygen was involved in the reaction.

Historical Analysis Of Almayers Folly English Literature Essay

Historical Analysis Of Almayers Folly English Literature Essay The novel Almayers folly is a story of an eastern river that many readers find as an intriguing text. It was Joseph Conrads first novel that opened the door for many more novels to come. Within the novel Almayer, his wife and his daughter all seek out different paths. Almayer wishes to return to Europe, which he perceives as his origin, his wife Mrs. Almayer wishes to return to a pre-colonial Sambir and then his daughter Nina wishes to return to her Malay roots. In the novel we learn about the two dominant cultures of Sambir which are White and Malay but what we dont understand is that by separating the two dominant cultures and returning Sambir to its original state would right an imperialist wrong. There are many controversies against joseph Conrad and his works of writing. It starts off with the question of Is joseph Conrad against or for imperialism? After reading Almayers folly and the other works on reserve I believe it is safe to say that Joseph Conrad was against imperialism. A good author writes what they know, and joseph Conrad used his books and other pieces of work to subliminally talk about his views of imperialism without becoming an outcast is his society. In the introduction of the Historical Guide to Joseph Conrad I read about how authors are shaped by their environment and their historical and cultural surroundings. This point supports how Conrad act as if he is an insider and an imperialist but secretly he feel like an outsider in his society and does not share the same views as everybody else . Almayer`s Folly takes on a special meaning in its characters lives. It is a story about quest and how each character must take on different challenges that make it exciting and interesting. In the novel, Almayer`s Folly, is the quest of the main character Kaspar Almayer but after researching Conrad we see pieces of himself in his main character. The story first takes place on an island called Borneo in the nineteenth century. He is a Dutch colonial who opened up a trading post on the island of Borneo. However, Almayer finds himself wanting to go back to his European routes, he its tired of his unfulfilling island life and rather be back in Amsterdam. Conrad also immigrated from Ukraine to England and was a sailor just how Almayer immigrated from Amsterdam to Borneo and was a sailor. Almayer had two major dilemmas which happened to be from his failed business and his mental suffering due to his failed marriage. In 1878 Conrad attempted suicide; in the story, Almayer was starting to be driven crazy by the long days and the surroundings of the island. He started to feel isolated and depressed and if it was not for his beautiful daughter Nina, Almayer would have taken his life as well. Conrad does not write about suicide because it is not accepted in his social class and since the men who will read his novels are most likely rich and imperialists he must abide by their rules. Almayer wished to have his freedom back just how Conrad wished to have freedom of speech. He absorbs himself in his dream of wealth and power away from this coast where he had dwelt for so many years, forgetting the bitterness of toil and strife in the vision of a great and splendid reward. This quote gives us a look at how Almayer was taken into a dream state wanted to go to a better place. At the beginning of the story, Conrad said Almayer had left his home with a light heart and a lighter pocket, speaking English well and strong in arithmetic; ready to conquer the world, never doubting that he would. This shows how Almayer connects to Conrad in the real world because Conrad did a similar thing but he traveled to England instead of Borneo. Almayer suffered through overwhelming odds in his twenty-five year long struggle. Almayers wife was jealous of how much Nina loved her father. His wife had soon commenced to treat him with a savage contempt expressed by sulky silence, only occasionally varied by a flood of savage invective. Conrad uses the word savage, but he is not referring to a Native American in this text, he is referring the Almayers actions. In the nineteenth century it was not uncommon to call natives savages, because we as humans are scared of what we dont know and dont understand. Conrad, being the anti-imperialist decided to use the word savage without offe nding natives and their culture but while doing so he gives off the impression of still being a part of the social norm. Further in the story we see a character awakening on a very personal level. Nina realizes she is not of pure European blood, she realizes that she will never be accepted as an equal within the Europeans or the whites since she is a half-breed. It is for this reason that Nina chooses to live with the natives. Almayer is an example of someone who is stuck for he stays where he is and he realizes that he is going nowhere which turns out to be his real Folly. Conrad pushes the limits of the social norm when he writes about Nina joining the natives. Being a half-breed in the nineteenth century, you would not be accepted for who you are. Conrad uses this to subtly hint that the way of living is wrong and everyone should be accepted for who they are no matter their breeding background or the colour of their skin. In the summary of Almayer`s Folly we have seen that Conrad has not written in an imperialistic way. It is important to note that Forster, along with Conrad and Lawrence,  is one of the few writers of this time period who treats the members of a backward country with the seriousness and sympathy considered necessary for an anthropological understanding by modern standards. This quote from savage and literature explains why we do not see the imperialistic views in Conrad`s novel Almayer`s Folly. Work Cited Conrad, Joseph. Almayers Folly. Great Britain: Wordsworth Editions, 1996. Print. Peters, John G. A Historical Guide to Joseph Conrad. Oxford: Oxford UP, 2010. Print. Street, Brian V. The Savage in Literature: Representations of primitive Society in English Fiction, 1858-1920. London: Routledge K. Paul, 1975. Print.

The Epic Poem - Beowulf Essay -- Epic of Beowulf Essay

     Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Beowulf is an epic poem. Why? Because (1) it is a long narrative work that relates the adventures of a great hero and (2) it reflects the values of the Anglo-Saxon society in which it was written prior to 1000AD. This Old English poem in unrhymed, four-beat alliterative style narrates, through the course of about 3200 verses, the bold killing of two monsters, Grendel and his Mother, and a fire-dragon, as well as numerous other brave deeds in lesser detail, by Beowulf, â€Å"the strongest of men alive in that day, mighty and noble,† â€Å"the good Geat.†Ã‚   Roberta Frank in â€Å"The Beowulf Poet’s Sense of History† sees the hero as â€Å"the synthesis of religious and heroic idealism† (Frank 59). Professor Tolkien in Beowulf: The Monsters and the Critics states: â€Å"But in the centre we have an heroic figure of enlarged proportions† (Tolkien 38). â€Å"That crafty sailor† led his warriors â€Å"on the waves† to Hrothgar’s Danish kingdom where the first two adventures took place (â€Å"Herot, the bright ring-hall, is purged.†), earning the hero the greatest respect of the king (â€Å"You have by your deeds, achieved fame forever.†) and queen and people. More than â€Å"fifty winters† later the third great feat occurred in the Geat homeland where Beowulf was reigning as king. This adventure of armed combat against a fire dragon resulted not only in the dragon’s death but also in that of the Scandinavian hero. Numerous other adventures of the hero are presented in lesser detail: â€Å"With my sword I slew nine sea monsters,†Ã‚   â€Å"he had survived many battles,† â€Å"he avenged Heardred’s death,† â€Å"He deprived King Onela of life,† â€Å"I repaid Hygelac †¦ with my bright sword,† â€Å"I was the killer of Daghrefin,† etc. The poem rightfully claims that Beowulf â€Å"performed the most famous de... ...the ten who deserted their chief, said, â€Å"At the ale-bench he often gave you †¦ helmets and armor.†    From the above it’s obvious that abundant evidence amply demonstrates that Beowulf truly reflects the first millenial Anglo-Saxon culture in the poem’s lengthy narration of the adventures of a great hero.    BIBLIOGRAPHY Clark, George. Beowulf. Boston: Twayne Publishers, 1990. Cramp, Rosemary. â€Å"Beowulf   and Archaeology.† In TheBeowulf Poet, edited byDonald K. fry. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1968. Frank, Roberta. â€Å"The Beowulf Poet’s Sense of History.† In Beowulf – Modern Critical Interpretations, edited by Harold Bloom. New York: Chelsea House Publishers, 1987. Tolkien, J.R.R.. â€Å"Beowulf :The Monsters and the Critics.† In TheBeowulf Poet, edited byDonald K. fry. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1968.

Machines: Are They Helpful Or Too Much Trouble? :: essays research papers

Machines: Are They Helpful Or Too Much Trouble? The historiography and various phases of the Industrial Revolution were very important. Population increase and the expansion of capital, credit and commerce were one of the phases. The role of entrepreneurs, workers and inventions in boosting production were another phase. Textiles, coal, transport and public services started becoming of value to people. The social consequences included women and children working in factories and mines. Hard living conditions, crowded rooms, and many diseases.   Ã‚  Ã‚  Ã‚  Ã‚  There were many positive effects, new inventions, that helped made living comfortable, and saved many lives. A vaccination was created saving many lives, telephones helped people to communicate, light bulbs gave light at night and when rain was falling. As people needed employment, they traveled to London to find work, which caused the population to increase. Developers built multi story building(apartments), and row houses making streets less crowded, and gave the people a newfound wealth and security. Steam engines made it easy to transport goods, the cotton gin made it easier to clean cotton, and made more money. Then technical schools began to develop, helping young people finish grammar school. Women also started working, they were very obedient and men started giving them more respect.   Ã‚  Ã‚  Ã‚  Ã‚  Along with positive, were also negative. Most people worked twelve to fourteen hours a day, six days a week, they had to pay constant attention to the machines and risked losing limbs in the machines. Child labor was another problem, they usually worked from 6 am to 7 p.m., getting paid only 10 percent wages of men to children. They would be severely beaten, and usually was deformed from machines. Many working-class children were not able to attend schools, because they couldn't afford clothes. Women usually spent long hours away from home and were unable to take care of children. They usually had a deformed chest or rib from the machines, and sometimes their hair and long skirt were caught in the machines. Some people had to work in mines, the mines were damp and ark, workers risked suffocation from the dust and drowning from underground floods. As population grew, people moved into urban areas. This was a very big problem, crimes and diseases increased, sometimes twenty families had to share the same toilets and water pumps.   Ã‚  Ã‚  Ã‚  Ã‚  The industrial revolution had many problems, but here are some solutions I would propose.

Life-cycle :: essays research papers

Amidst the â€Å"hot pies and potato-chips†, â€Å"innocent monsters† and â€Å"resurgent lions†, Dawe effectively illustrates Victorian popular culture in the poem â€Å"Life-cycle†. Generally speaking, the subject matter is associated with Victorian lifestyle, notwithstanding the prevalent reference specifically to AFL football. Humour and good intentions counterbalance sentiments of condescending ridicule. Dawe flippantly suggests that â€Å"the tides of life will be the tides of the home-team’s fortunes†. Whilst some may be inclined to assume that Dawe is merely mocking a preoccupied Victorian society, it is worth mentioning that his criticisms are far from hostile. In fact, it would be fair to say that they are detailed with an affectionate and benevolent disposition. Whimsically, Dawe depicts a solitary culture conditioned by an overwhelming fascination with AFL football. The insinuation that Victorians are born into football loyalty, similar to that of religion, suggests that Dawe possesses the unique ability to detect similarities in events that are generally opaque to the standard eye. Biblical references throughout the poem cast an additional dimension in the audience’s minds. The mention of the â€Å"empyrean† and the booming of the commentator from the stands could arguably be hypothesised as having a religious underpinning. In a biblical sense, â€Å"empyrean† means the highest heaven and the booming commentator could likewise be compared with a religious God – an Almighty all-seeing onlooker. Dawe further develops comparisons in the form of non-religious similes. For example, the comparison between â€Å"rippling minds† and â€Å"streamers†, and for descriptive purposes, children are defined as â €Å"little monsters who have been years swimming towards the daylight’s roaring empyrean†. The relationship fabricated between Dawe and his audience is far more personal than that achieved by similar poets. The language is seemingly colloquial, vernacular and familiar to everyday Australians, despite the occasional rise of cerebral biblical dialect. Dawe utilises are variety of poetic devices to convey a powerful sense of imagery. The deliberate exaggeration for dramatic effect (otherwise known as a hyperbole) is used in the phrase â€Å"the pure flood of sound†. In this instance, the obvious exaggeration encourages a greater sense of aural imagery. In terms of visual imagery, descriptions of â€Å"club-colours†, â€Å"beribboned cots† and hoisting children shoulder-high, enables the reader to gain a perceptive appreciation of what football loyalty entails. The symbolic application of the â€Å"litter Tiger†, â€Å"resurgent lions†, Demons and Saints, highlight the obvious significance of football mascots. Alliteration such as â€Å"passion persisting† emphasises the strong emotional attachment that football followers rightfully possess.

Choosing the best project for the company Essay

I would like to thank you for providing me with the essential information from your previous email to analyze the following projects Juniper, Palomino, and Stargazer. This information has provided me guidance with choosing the best project for the company. This email will provide you with the recommendation and proposal of the most beneficial project for the company. The project that fits our company’s expectations and requirements is the Stargazer project. This project is efficient and the expectation of the project being completed on time is high and obtainable. According to the project descriptions, $450,000 has been spent on the product and they average a total of $575,000 being spent in order to bring the product to the market. Even though the dollar amount spent in this project is high, the return on investment for this project is high; by the third year the product is forecasted to have a return of investments of $750,000. The product life of this project is forecasted to be 7 years. Because this product has not been used we would be the first company to launch the product to the market which would create an innovative style allowing our company to be the leader in the industry. The method I used to make this decision was utilizing the feasibility study. This method allows us to determine how beneficial or practical the Stargazer project would be to the organization. The four phases associated with the feasibility study are: operational feasibility, technical feasibility, schedule feasibility and economic feasibility. The operational aspect informs whether the project is worth solving and evaluating for business usage. The technical feasibility allows us to evaluate if the proposed technology is practical. Technology feasibility also informs us if we currently possess the necessary technology to implement the project. The schedule feasibility informs us if the project  deadlines are reasonable, which they are. The economic feasibility informs of our benefits; tangible or intangible benefits. The key deliverables for the project are not just the clients but also the external stakeholders. The break-even analysis is a financial analysis tool that determines if the project needs to be justified in terms of cost not the benefits. This is why this tool was not utilized in the decision for the Stargazer project. Based on the break-even analysis for the Juniper project it basically shows the company will not, or barely break-even, during the life cycle of the production due to technology advancements causing this product line to become obsolete after three years. It has a cost of $325,000 and ROI only producing $250,000 for the two to three years of production with the third year being the end of life for this product. If the company chooses the Palomino project it will also have a hard time breaking-even and producing revenue streams over the life-time of the production with a 5% margin of error with the seventh year being the end of life for the product. The strength of the economy plays a large determining factor in this forecast due to 5% differential in the life cycle of this product. Palomino will cost $655,000 with the ROI being $450,000 over a five year period with that 5%, plus or minus, margin of error. Profit would then start to be recognized in the sixth and seventh year of the life cycle which is way too long. Each of the five phases of the project management was evaluated in order to reach the best decision. Initiating, planning, executing, monitoring and controlling and closing were the primary outline for the decision. Project management requires processes to be done at each of these levels in a detailed step. These steps outline the idea into a general flow for the best project.

Human being Essay

There has always been a concern as to why some people behave in some weird ways that not any ordinary person will act in such a manner. It is a fact that all individuals are different from each other but there are expectations that human beings have over others. That certain character trait should not be expected in a normal human being. A study into the issues of psychopath and sociopath will help to show some light to the question of how different persons can be described and classified in a view of understanding human behavior and human psychology. Who are psychopaths or sociopaths? According to Patrick (2007) a psychopath or a sociopath is an individual who displays unique unordinary behaviors as compared to the other normal human beings. Such an individual shows signs of not having any guilt or troubled conscience for something he or she has done which is wrong, likes putting blame on other people for the mistakes that he or she commits, likes lying all the time about several issues, do not value other people as fellow human beings, get involved in destructive actions fights and wars, some are sexually irresponsible, have low self control, not realistic in whatever they plan and do, and seem to attract the attention of others by portraying a false picture of themselves among other unordinary behaviors. What are the causes? As argued in Goldstein and Weiner (2003) there are some reasons that have been found out to result in the development of such character traits some of them include; in born traits that a person inherits from his or her family background, some could happen where the society in which people live in draws lines of behaviors that seem to be extra ordinary from the rest of others in the society, would come also as a result of the influences of the external environment and as a result of the adaptive strategies in a bid to survive in the world with others and the problems and experiences that a person underwent while growing will also contribute like if a person was exposed to violent circumstances in hi or her childhood the same things are likely to be done by that person. Is the female psychopath different from the male sociopath? How and in what way? Why is this important to understand? The way in which a female psychopath behaves tends to be more similar to that of their male counterparts although the ratio of male to female a bit higher. The kind of activities that they involve themselves in are the ones that will help to distinguish the differences but basically the same idea is that they all display behaviors that seem to be unruly, Berecz (1999). A female psychopath will show behaviors like; most of them would not want to get into a serious marriage commitment by staying with a husband but instead would prefer to stay alone with her children, would want to be draw the attention of the people around her, likely to mistreat her own children, she does not want to strive for anything that can help her but instead will want other people to do everything she is supposed to do for her benefit Million, Simonsen and Smith (2003). According to Gill and Barraclough (2007) such a female person is too proud of herself and could want to have all the things that others have to herself. In some cases will want to attempt suicide as a way to deal with her problems, all her life she will be blaming other people for the miseries she might be undergoing. She engages in criminal activities like conning people their belongings, leading people to crimes, are drug addicts of a high extent with their life styles leading to sex exploits and males and females they way she wishes for herself which in some instances could include killing. As discussed in Herve and Yuille (2007) the males will involve themselves in very many sexual relationships with women and will be able to convince women with a lot of ease to get into relationships with him. He tends to spend his money in a reckless way, like involving themselves in criminal activities like murder, violent robberies, once he marries he is likely to abandon his wife and children and being unfaithful to the other spouse. Involve themselves in ungodly acts like having sex with the animals, would like to cover his weaknesses with good acts like being generous with his wealth. They are also likely to drug addicts like alcohol, bhang among others. Conclusion According to the analysis that has been made above the way Female psychopaths behave is different from the way male sociopaths would behave because men are more energetic and will display the disorders that they have with relating with others by use of applying force in either fighting, car breaking , among other physical means of applying force. As for the females their disorders will be see through the various reacts that a female will undertake like her talking and other means of communication. They involve themselves in many sexual relationships and will get away with it from all the partners without admitting to that behavior among others Berecz (1999). Word count 876 References Alan Goldstein, Irving Weiner (2003). Forensic psychology: Forensic psychology. John Wiley and sons publishers. Christopher J. Patrick (2007). Handbook of Psychopathy. Guilford press. David Gill, Jennifer Barraclough (2007). Hughes’ outline of modern psychiatry. 5th edition, John Wiley and sons publishers. John M. Berecz (1999). Sexual styles: a psychologist’s guide to understanding our lover’s personality. Humanics publishing group H Herve, John C. Yuille (2007). The psychopath: theory, research and practice. Routledge publishers. Theodore Million, E. Simonsen, M. B smith (2003). Psychopapthy: Antisocial, criminal and violent behavior. Guilford press. .