Mary Shelleys Frankenstein Research Paper Example

Mary Shelleys Frankenstein Paper One to make the reader dread to look round, to curdle the blood, and quicken the beatings of the heart this was Mary Shelleys intention when she created Frankenstein the definitive gothic novel . Though this was unheard of for a woman writing in 1816 she did just that. Influenced by the events around her, the new scientific developments and social unrest conveyed through her depiction of Victor and through the monster she reveals an outraged awareness of social injustice and a passionate desire for reform. Throughout the novel we are given an image of monster and creator this is conveyed through the central characters. Shelley presents a tale of gothic horror in which we are given opportunities to feel sorry for both main characters; yet we are inclined to feel more sympathy for the monster who after all is a victim of a man essentially playing God. Throughout the novel Shelley plays with our psyche and sympathies as reader, but it is clear that the monster deserves our pity more than Victor. Victor was given a wonderful loving upbringing and was clearly a spoilt child I was their plaything and their idol whereas the monster had none of that; he was not loved by anyone, just Victors mistake. The monster was left alone to wonder where his companions were, But where were my friends and relations? No father had watched my infant days; no mother had blessed me Our sympathies lie in favour of the monster after all he was the one that was unjustly abandoned and left to feel isolated without a friend in the world. Shelley then leads us to believe that the monster will be accepted by his benefactors the De lacys as the creature is accepted and reassured by the blind mans words I am poor and an exile, but it will afford me true pleasure to be in any way serviceable to a human creature the desperate monster is then beaten out of the cottage by Felix and his only hope of happiness is ruined. We will write a custom essay sample on Mary Shelleys Frankenstein specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Mary Shelleys Frankenstein specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Mary Shelleys Frankenstein specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Deep down the monster is a kind and worthy creature he found his store always replenished by an invisible hand It is only when he finds out that the family out of fear has permanently left the cottage that he starts to feel negative emotions such as hatred and revenge for the first time the feelings of revenge and hatred filled my bosom, I bent my mind towards injury and death. However these feelings are not directed towards the De Lacy family, but to Victor. But, as reader we should understand the monsters point of view, Victor, ultimately is the cause of all his problems; he made the monster ugly then abandoned him, it is his fault that the monster does not fit in, this makes us more inclined to feel bitterness and resentment towards Victor, He should not have meddled with life if he could not finish what he had started. Victor does feel some compassion when the monster relates his story I compassionated him and sometimes felt a wish to console him, and agrees to the monsters requests You must create a female for me Victor gets the monsters hopes up as he starts to believe that he may have a companion to console him then just as his second creation his finished Victor selfishly destroys it before the creatures very eyes do you dare break your promise? I have endured toil and misery Victor shows his selfish nature at other times during the novel, when he is exhausted on Waltons ship and the crew want to go home because it is too dangerous, he responds by accusing the men of cowardice and unmanly behaviour. If they were to abandon their expedition they would return home with a stigma of disgrace judging by his words he has not learnt anything from his ordeal with his monster. He apparently still feels that people should put their own desires above more important issues! Another example of this is the way that he deals with the monsters threats it is clear that the monster wants to hurt him and have his rightful revenge, but Victor assumes that it is only him that the creature wants to kill I will be with you on your wedding night, such was my sentence, and on that night would the daemon employ every art to destroy me from the glimpse of happiness. Yet it is clear that the best way to get to Victor is to harm the people that he loves as the monster has already witnessed Victors reactions towards their deaths, he does not realise this otherwise he would have been more protective of Elizabeth. Though very tragic for Victor and we should feel sorry for him when she is killed it is completely his fault, he was naive and utterly careless to leave somebody that he loves alone while a revengeful monster that is roaming around voicing threats. Victor had the chance to change everything before Elizabeth was murdered and was guaranteed that the monster would leave his family and himself alone for the remainder of their lives. He is just like Dr. Faustus who also had the chance to turn things around and repent the good angel states that it is never too late if Faustus will repent. The angel means if the Doctor repents of his evil decision to turn from God and make a deal with the devil for conjuring powers, he can still be saved. However, the bad angel on Dr. Faustus shoulder soon responds that it is too late. Similarly Victor does leave things too late yet he still had some relatives left worth saving like his father . Although it is clear that Victor has already lost everything and the people that he cherished the most. Our sympathies can now lie with either the monster or his creator as Victor is in a terrible predicament he cannot win either way incase the monster goes back on his word. Victor is torn between morals and his family it is a shame he did not consider that to begin with. Another reason that we should sympathize with the monster is that he did not want or enjoy killing anybody and that the killings did not make him feel better he says that he was the slave, not the master, of an impulse which I detested, yet could not disobey The monster, just like Victor, reaches a point where no feelings are left except hatred. The monster is essentially the one going through the most torment he has to live with what he has done, seeing his creator dead on Waltons ship he shows remorse and with an immense self hatred he tells Walton that he will consume to ashes this miserable frame. Nobody has won the novel ends and both die without satisfaction. The monster did not get a companion nor was he accepted, and Victor lost everything worth living for, they drove there selves to destruction, neither of them would give up as I stated earlier they created a vicious circle in which in the end consumed them both. The monster went through his life lonely and abhorred the only kind moment he had was with the blind De Lacy which was soon ruined by Felix, he did not enjoy his life and was only giving his creator a taste of what he was put through, this essentially is why as reader I believe the monster deserves our pity as nobody should go through life that miserable and despised, he had nobody to care for him at least Victor experienced happiness. Carla Wells Show preview only The above preview is unformatted text This student written piece of work is one of many that can be found in our GCSE Mary Shelley section. Download this essay Print Save Not the one?

What You Absolutely Need to Know About Changing Careers

What You Absolutely Need to Know About Changing Careers Adaptable. Multi-faceted. Nimble. These flexible qualities are all trending in the current job market- so why is changing careers so difficult? Let’s look at some of the ways you can make a career switch, and get yourself ready to embrace the current job trends and demands. Find Your Career Path(s)Conventional wisdom suggests that we all have a career path, a specific trajectory. You start here, you’ll hit these points along the way, and you’ll end up there. The problem with this is that it sounds great in theory, but more often than not, reality gets in the way: economic downturns, personal life changes, and burnout can all interfere greatly with this linear plan. Plus, many of us choose that career path at a young age, right out of school or as an idealistic twentysomething. Are you the same person you were at 21? I’m not (thank goodness), and as someone with evolving skills and interests, I like to think that I’m not locked into a rigid path.Life coach Roman Krznaric, author of How to Find Fulfilling Work, believes in the concept of â€Å"wide achievers†: the idea that a career can be a composite of diverse jobs and experiences, instead of a straight line through one field. In this model, you’d set your goal as a skill set rather than a specific job title (for example, VP of Marketing). It involves rethinking our careers, and deciding whether you might have multiple paths you can take to the endgame of a satisfying career.But how do you navigate this, if you’re already in a job, or have a ton of very specific experience that may not travel into the field where you want to go next?Make a Smart Start to Your ChangeIf you already have a job, you don’t need to hand in your resignation and jump right into that deep end of finding your next career. Take time to figure out what you want to do. Think you might have an interest in bumping your photography hobby up into a professional photography gig? Try to hustle one or two freelance jobs on nights and weekends, and try to build a client base.If you already know where you want to go†¦You should start by doing a self-assessment:What types of jobs are available to someone with limited experience?What skills do I have already?What are the bare minimum skills required by this field I’m interested in joining?What development do I need?Am I willing to start from the bottom if necessary?If you’re thinking about changing careers and know what your target field is, you can start by taking related classes online or in the evenings, or by attending networking events. Volunteer. Talk to someone who’s already in the field, and ask what their day-to-day is like, and what their job requires. At this point, there’s no commitment- it’s a fact-finding mission.If you’re still trying to figure out what you want your new career to be†¦Ã¢â‚¬ ¦don’t sweat it. You may just know that you want A Cha nge, and need to figure out what happens next. This option is a challenging one, to be sure- you’re starting from scratch. But that’s also the beauty of it: you’re starting from scratch! You don’t have preconceived notions, and can take the time to figure out what you really want to do, and why.Find Hot Career Change IndustriesWhere are the jobs and new opportunities? Right now, there are definite hotspot industries that are friendly to career changers. According to U.S. News and World Report, these fields are perpetually expanding to keep pace with society:Healthcare. With the Baby Boomer population retiring and aging, healthcare needs and demands will continue to explode.Mobile technology. Got coding skills? If not, perhaps it’s time to start taking some courses? While some areas of the tech sector are declining, the innovations happening in mobile technology (apps, communications, etc.) keep on going.Data analytics. Sometimes it feels like we ar e little but a walking, talking collection of aggregated data points. Almost every industry is pulling in massive amount of information these days, and having the skills to parse and analyze that information is a huge selling point.And remember: if you feel intimidated by the idea of starting over and changing career gears, you are not alone.  Be a New-Wave EmployeeA hard truth of jobs in general these days, and for people who are trying to build experience, is that many employers want non-traditional employees. That means employees who fall outside the full-time spectrum. If you’re looking to make the career switcheroo, you should consider job openings that are in your field, but might not be the permanent opportunity of your dreams. These include:Part-time jobsContract/freelance jobsTemporary jobsThis goes back to the flexibility issue I mentioned earlier. Employers value flexibility, because it helps them reach their own goals. And even if your own goal is to find a perm anent, full-time, benefits-laden job in your new field, these jobs can serve as a stepping stone while you pick up needed skills and experience.Build Your BrandBranding is a major part of any job search, but if you’re trying to rebrand yourself as a different kind of professional, it’s essential. You’re building your rep and your network from the ground up, basically, so it’s important to have a clean base. If you haven’t done so already, clean up your existing profiles and get them job-hunt ready. After you’ve done that, start positioning yourself for your new field. Start following strong voices in your new area, read (and post) links to stay on top of trends in the field, and figure out how people already in the field are positioning themselves. This can help you figure out how to best present yourself as your job hunt really gets underway.Social media is one of those perennial megatrends that doesn’t go away- so the trick is stayi ng on top of the new media to figure out where you should be as well. Which platforms are the â€Å"cool kids† using? Getting familiar with new platforms and sites is something you can easily do on your own time, and it pays off when you have a whole network of people in the field you’re trying to reach.If you’re ready to make the jump to a new career, there are lots of places you can land. With sharp-eyed attention to what’s going on and how you can transfer your existing skills and experience to another field, you’re well on your way. Good luck!

Treatment and Prevention of Hepatitis C in Adult Population Essay

Treatment and Prevention of Hepatitis C in Adult Population - Essay Example Since the transmission of HCV is similar to HIV and IDU is the primary risk factor for HCV infection, and coinfection of these two blood borne diseases cause morbidity and mortality, harm reduction approach and the strategies that addresses the social and economic harms that impact an individual, community, or society are paramount in preventing the epidemic. Hepatitis C is the major cause of chronic hepatitis, cirrhosis, and liver cancer in the United States and the identification of Hepacivirus of the family Flaviviridae in 1989 led to an explosion of research and development of specific tests for detecting anti-HCV and HCV RNA as well as recognizing it as a common cause of chronic liver disease. (Chapter 5: Viral Hepatitis, p. 61). According to WHO estimates there are "about 180 million people, some 3% of the world's population, are infected with hepatitis C virus (HCV), 130 million of whom are chronic HCV carriers at risk of developing liver cirrhosis and/or liver cancer" and three to four million persons are newly infected each year, making HCV a "viral time bomb". It is also estimated that 3.9 million Americans are infected with HCV, with 'prevalence rates as high as 8-10% in African Americans'. The route of HCV transmission is mainly through injectable drug use that account for nearly 90% of new infection, as well as through blood transfusion and perinatal infection. (WHO2). (Initiative for vaccine Research (IVR). 2008). It is estimated that there are 1-2 million homeless youth in the United States and a national study of homeless youths found that "68% are 15-17 years old; 57% are Caucasians; 17% African American; 15% Hispanic; and 12% from other ethnic origins" (Nyamathi et al, 2005). It is found that approximately 16-25% of those infected with HCV are co-infected with HIV, and due to shared risk factors HIV/HCV co-infection is common among homeless and urban poor. Edlin & Carden (2006) argue that though HCV is four times more prevalent than HIV infection and viral transmission is uncontrolled among IDUs with 'incidence rates ranging from 16% to 42% per year' the efforts of the US government to "control this pandemic have largely ignored the population in whom its biology and epidemiology are being played out with the most devastating effects." (Edlin & Carden, 2008). The Disease: Its detection and symptoms Hepatitis is an inflammation of the liver and its symptoms include jaundice, dark urine, extreme fatigue, nausea, vomiting, and pain. There are five major types of hepatitis viruses, named A, B,C, D, and E type, of which A and E are caused by ingestion of contaminated food or water, and "hepatitis B, C, and D usually occur as a result of parenteral contact with infected blood fluids." (Hepatitis. 2008). HCV infection is categorized into acute and chronic and specific symptoms in the acute stage are nausea and vomiting, fatigue, loss of appetite, fever, head ache, and

Social Entrepreneurship Essay Example | Topics and Well Written Essays - 2250 words

Social Entrepreneurship - Essay Example es mainly address the social needs in the society through offering products and services that aim at meeting the cultural, social and environmental needs in the society (Paton, 2003 p. 89). The bank commenced operations in 1984 providing trade union banking services while observing the founding principles. The trade unions offered provided equity capital of 1.25 million pounds while the Co-operative Bank added 2.6 million pounds to the start up capital. In the first year, the bank operated as a licensed deposit taking institution providing its clients a range of banking services. In the first year, the balance sheet figures in terms of assets grew to over 40 million pounds with the deposits reaching 35 million pounds. The Bank offered a rights issue in 1986 thus enabling more trade unions to buy shares. Fifty-eight trade unions were now members of the bank. After the passage of Public services (social value) Act 2012, Birmingham has experienced the emergence of many social enterprise s. The Act enables the stakeholders to become members of the social enterprises and introduces several tools for the identification of the social impact (Price, 2009 P. 52). The major responsibilities of social enterprises include encouraging community involvement, encouraging of equal opportunities and supporting a green economy. Social enterprises should also encourage sustainability initiatives like recycling and encourage fair trading practices (Doherty & Thompson, 2006 p.40). Social enterprise based organisations have innovative and people-friendly solutions that aim at creating positive change in the society unlike the traditional corporate world that is geared at profit maximisation (Nicholls, 2006 p.18). Most social enterprise based organisations work with poor communities and provides the staff with flexible working schedules. According to the UK department of Trade and Industry (DTI), socially based enterprises have primary social objectives whereby the surplus is reinvested

Nicholas and Absolon Essay Example for Free

Nicholas and Absolon Essay To what extent are Nicholas and Absolon courtly lovers? Nicholas and Absolon both execute elements of the courtly love tradition, though the elements they express differ from each other and from the ideal courtly lover. Both Nicholas and Absolon attempt to use the language of the courtly lover to win Alison. When Nicholas attempts to seduce Alison into sleeping with him, he declares For deerne love of thee, lemman, I spille. At first glance this may appear to be the elevated language of courtly love, with Nicholas revealing to Alison that he loves her so much that if she were to reject him, he would die. Upon closer inspection, however, we notice that his term of affection for Alison is lemman which was often used in medieval times in a sexual context. Furthermore, the word spille can mean to die, though its cruder meaning (and the meaning more fitting with Nicholas physical treatment of Alison in this section) is to ejaculate. Here, the overall impression that Nicholas gives is that he uses the language of courtly love to cloak his dishonourable intentions. Absolon uses the language of courtly love in a different way. He utilises more romantic terms of endearment than Nicholas, such as hony-comb, faire brid and sweete cinamome and at the same time, unknowingly, uses highly unromantic imagery to describe himself. He tells Alison for youre love I swete, creating a very unappealing image of himself sweating for her love. He then proceeds to use many more unappealing images. He declares I moorne as dooth a lamb after the tete, likening himself to a helpless lamb, an emasculating concept, and that he may nat ete na moore than a maide, this time likening himself to a woman. Absolons misuse of the language of courtly love makes him all the more ridiculous, and his affected manner means that the reader has little sympathy for him. Perhaps a lot of Nicholas success in wooing Alison is that he woos secretly, as a traditional courtly lover would. Discretion is paramount, as Alison warns Nicholas that their lovemaking must be privee else if John found out he would kill her. Nicholas, in order to ensure that their lovemaking is secret, formulates an elaborate plan. This highlights his intellect and his cunning, and also reminds the reader of the description of Nicholas at the beginning of the tale, in which he is revealed to known much of deerne love and solas he is experienced in the ways of secret love. Absolon does little to secretly woo Alison. When Absolon sings and plays his guitar beneath Alisons window, he does not take care to do it at a time when John is away. Moreover, John is awoken by Absolons singing before Alison. The fact that John, a jealous husband, does not consider Absolon to be any threat to him is revealing of how others perceive Absolon. He is viewed as ineffectual and harmless. Absolon and Nicholas both use music in their wooing of Alison. Nicholas uses his sautrie to make a-nightes melodie. The next references to melody are when Alison has promised Nicholas that she will sleep with him Nicholas playethe faste, and maketh melodie and when Nicholas and Alison enjoy the revel and the melodie of their lovemaking. In this case, Nicholas music-making is symbolic of his skill and cunning as a lover. In contrast, Absolon plays music on a smal rubible and sings with a loud quinible. The fact that Absolons instrument is described as smal makes it seem unimpressive in comparison to Nicholas gay sautrie. His loud, high-pitched voice is effeminate, the ridiculousness of which is highlighted by the comic rhyme of rubible and quinible.

Wedding Speech Delivered by the Groom -- Wedding Toasts Roasts Speeche

Wedding Speech Delivered by the Groom I’d like to start by thanking Alan for his kind words and also to thank him on behalf of everyone for footing the bill for today’s festivities†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ Having had a wonderful spread and knowing what we have to look forward to tonight, I now understand why he had the heating turned off all last winter! I was going to begin with ladies and gentlemen but on looking around I'm glad I didn't. So here goes. Distinguished guests, those of lesser distinction, and those of no distinction at all†¦Ã¢â‚¬ ¦ Family, relatives, (new and old), in-laws and outlaws, friends, friends of friends, and freeloaders Welcome to our wedding reception. I would particularly like to extend a warm welcome to all our guests from Mississippi and Kentucky†¦Ã¢â‚¬ ¦ Welcome to the wonderful state of California, and for those of you who want to put your watches forward, it’s now 2005†¦..!! I’ll never forget the first time Peggy took me to meet her parents. There was me trembling at the knees and there was Alan sitting in his white satin robe and fluffy slippers†¦Ã¢â‚¬ ¦ I thought, â€Å"I need to break the ice here†, so I asked him what football team he supports. Of course he replied State University, so I said â€Å"it must be exciting when you win a match. â€Å" Don’t Know† he said, I’ve only supported them for 40 years†Ã¢â‚¬ ¦Ã¢â‚¬ ¦ Seriously though†¦.. The bible tells us, ‘Who so-ever finds a wife, finds a good thing’. .. ...ure life together. These are taken from the book â€Å"The differences between man and wife†: Learn to work the toilet seat. If it's up, put it down. We need it up - you need it down. You don't hear us complaining about you leaving it down. We don't remember dates. Mark birthdays and anniversaries on a calendar and remind us frequently beforehand BEER is as exciting for us as handbags are for you ALL men see in only 6 colours. Peach, for example, is a fruit, not a colour. Lastly and most importantly†¦Ã¢â‚¬ ¦.. Christopher Columbus didn’t need directions, and neither do we. And with that I'd ask you to charge your glasses and be upstanding for a toast to the bridesmaids. I give you the bridesmaids Wedding Speech Delivered by the Groom -- Wedding Toasts Roasts Speeche Wedding Speech Delivered by the Groom I’d like to start by thanking Alan for his kind words and also to thank him on behalf of everyone for footing the bill for today’s festivities†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ Having had a wonderful spread and knowing what we have to look forward to tonight, I now understand why he had the heating turned off all last winter! I was going to begin with ladies and gentlemen but on looking around I'm glad I didn't. So here goes. Distinguished guests, those of lesser distinction, and those of no distinction at all†¦Ã¢â‚¬ ¦ Family, relatives, (new and old), in-laws and outlaws, friends, friends of friends, and freeloaders Welcome to our wedding reception. I would particularly like to extend a warm welcome to all our guests from Mississippi and Kentucky†¦Ã¢â‚¬ ¦ Welcome to the wonderful state of California, and for those of you who want to put your watches forward, it’s now 2005†¦..!! I’ll never forget the first time Peggy took me to meet her parents. There was me trembling at the knees and there was Alan sitting in his white satin robe and fluffy slippers†¦Ã¢â‚¬ ¦ I thought, â€Å"I need to break the ice here†, so I asked him what football team he supports. Of course he replied State University, so I said â€Å"it must be exciting when you win a match. â€Å" Don’t Know† he said, I’ve only supported them for 40 years†Ã¢â‚¬ ¦Ã¢â‚¬ ¦ Seriously though†¦.. The bible tells us, ‘Who so-ever finds a wife, finds a good thing’. .. ...ure life together. These are taken from the book â€Å"The differences between man and wife†: Learn to work the toilet seat. If it's up, put it down. We need it up - you need it down. You don't hear us complaining about you leaving it down. We don't remember dates. Mark birthdays and anniversaries on a calendar and remind us frequently beforehand BEER is as exciting for us as handbags are for you ALL men see in only 6 colours. Peach, for example, is a fruit, not a colour. Lastly and most importantly†¦Ã¢â‚¬ ¦.. Christopher Columbus didn’t need directions, and neither do we. And with that I'd ask you to charge your glasses and be upstanding for a toast to the bridesmaids. I give you the bridesmaids

Complexometric Determination of Water Hardness Essay

The water hardness for unknown water sample number 40 was determined. From the results of the two complexometric titrations, the water hardness of the unknown sample was calculated to be 250.9 ppm CaCO3, which agrees with the ranges of acceptable water hardness in the city of Phoenix and Tempe Arizona. Introduction When rainfall picks up impurities from the soil, ions of sodium, magnesium, calcium, iron, and other metals are dissolved into the water. These impurities are what cause residues left on glassware from the reaction with the soap used for cleaning. Water hardness is from the metal ions with a +2 charge or higher being dissolved into the rainfall. When reporting water hardness, it is reported in units of mg CaCo3/L of solution, or in ppm due to one mg of solute having one millionth of the mass of a liter of water or dilute aqueous solution. It is reported using only CaCo3 because typically, Calcium is the largest contributor to the water hardness. The purpose of this experiment was to determine the concentration of metal ion impurities in an unknown sample of hard water by performing a complexometric titration with EDTA. The results were then compared to the expected range for municipal water hardness from multiple city websites. Methods All procedures from the CHM 152 Lab, Complexometric Determination of Water Hardness (1) were followed precisely. Unknown water sample #40 was mixed with approximately 20 ml of DI water, 3.0 ml of Ammonia/Ammonium Chloride (NH(aq) Buffer pH=10), and 4 drops of Eriochrome Black T indicator solution. It was then titrated with .004197 M EDTA, which was also made in the lab from 0.7582 g of , added to 500 mL of DI water, that was then standardized with a stock Calcium Ion Solution (CaCO(aq) 1.00g/1.00L) by titration. A total of 3 titration trials were completed to find the average molarity of the EDTA, and the average water hardness of unknown water sample #40. All mass measurements were taken from a AND Balance, serial number 12321601 and all titrations were done using a KIMAX buret, #173. Pipet measurements were taken from a 25mL Bel-Art, and 15mL Bel-Art pipet. The numerical techniques used in this experiment were, stoichiometry with mole ratio for calculating the molarity of the EDTA solution and water hardness and relative average absolute deviation in ppt to show how closely the results from the Standardized EDTA titration of each trial agree with each other. Data Analysis Based on the experiment and calculations, the average calculated concentration of metal ion impurities (water hardness) in unknown sample number 40 from this experiment was 250.9 ppm. From table 1, the average molarity of the titrated was calculated to be 0.004197 M. Table 1 The molarity of the EDTA solution for each trial n was calculated as follows: .0.01000 L CaCO3 SolnTotal EDTA Delivered LÃâ€"1.000 g CaCO31 L CaCO3 SolnÃâ€"1 mol CaCO3100.1 g CaCO3Ãâ€"1 mol Na2EDTA1 mol CaCO3=Molarity of Trial n The Average Molarity of the EDTA solution was calculated as follows: Average Molarity of EDTA Solution =Calculated molarity from each trialNumber of titration trials To determine how closely the results of each trial from the Standard Disodium EDTA titration (Table 1) agreed with each other, a relative average absolute deviation calculation was done. It was calculated as follows: Absolute deviation for trial n= Na2EDTA avg molarity-Total Na2EDTA Trial n absolute deviations3Na2EDTA avg molarityÃâ€"1000=Estimated Prescision (ppt) The results of the above calculation came out to be 14.45 ppt. With the expected range of precision being at most five parts per thousand, it has been observed that the molarity of the standard Disodium EDTA solution includes some obvious error. It seems that the observation of color change when Na2EDTA was titrated to the mixture of CaCO3, DI water, Eriochrome Black T, and ammonia/ammonium chloride was the most error prone. Not knowing when to stop titrating the EDTA solution, would have accounted for a misreading of measurement for the total volume of EDTA solution added to complete the titration, making the final molarity for that trial less than what was expected. Table 2 Based on the molarity results from table 1 and the data from table 2, the average calculated water hardness of unknown water sample 40 was calculated to be 250.9 ppm CaCO3. The water hardness of unknown water sample 40 for each individual trial was calculated as follows: =Total EDTA soln Delivered L0.02500 L CaCO3 solnÃâ€"0.004197 mol EDTA1 L EDTA solnÃâ€"1 mol CaCO31 mol EDTAÃâ€"100.1 g CaCO31 mol CaCO3Ãâ€"1000mg1.0 g Average Water Hardness (ppm)≠¡mg CaCO31 L CaCO3 Interpretation of Results Based on the data, the calculated water hardness of the unknown sample number 40 (250.9 ppm), is within range of the city of Phoenix’s calculated range of 164-291 ppm (2) and the city of Tempe’s calculate range of 150-400 ppm (3). References 1. Complexometric Determination of Water Hardness, Procedures, Mesa Community College CHM152LL website, http://www.physci.mc.maricopa.edu/Chemistry/CHM152/index.html, accessed 9/7/2013. 2. City of Phoenix website. http://phoenix.gov/waterservices/quality/index.html, accessed 9/8/2013. Copyright 2013 3. City of Tempe Az website. https://www.tempe.gov/index.aspx?page=1289#Hardness, accessed 9/8/2013. Copyright