Quantitative Analysis of Salicylates by Visible Spectroscopy Essay Example

Quantitative Analysis of Salicylates by Visible Spectroscopy Essay Example Quantitative Analysis of Salicylates by Visible Spectroscopy Essay Quantitative Analysis of Salicylates by Visible Spectroscopy Essay Introduction: The purpose of this lab was to learn how to use a spectrophotometer to measure the amount of light absorbed by different concentrations of salicylic acid, compare those concentrations to our unknown sample and to use the data collected to compile a graph showing the levels of absorbance of the different concentrations. Methods and materials: In this lab we used a spectrophotometer, a test tube filled with water to be used as a blank, six test tubes with different concentrations of salicylic acid ranging from 0 mg/dL to 5 mg/dL and one test tube with an unknown concentration of salicylic acid. We set the spectrophotometer to a wavelength of 540 nm. We adjusted the transmittance to 0%. Next we placed the test tube with the water into the spectrophotometer and adjusted the transmittance dial to 100%. We removed the test tube containing the water and replaced it with the first concentration of 0 mg/dL. We recorded the absorbance and repeated the test for a total of 5 readings. We did this for each concentration. We then calculated the average of each concentration’s absorbance readings and plotted the averages onto the graph. Once we had gathered the data for our known concentrations we then repeated the procedure for our unknown concentration. We again took the average and plotted that on the absorbance curve to determine the concentration of the unknown. Observations and Data: Calibration Standard| Absorbance Reading 1| Absorbance Reading 2| Absorbance Reading 3| Absorbance Reading 4| Absorbance Reading 5| AverageAbsorbance Reading| 0 mg/dL| 0. 007| 0. 010| 0. 007| 0. 005| 0. 006| 0. 07| 0. 5 mg/dL| 0. 032| 0. 036| 0. 037| 0. 041| 0. 038| 0. 037| 1. 5 mg/dL| 0. 098| 0. 100| 0. 098| 0. 099| 0. 096| 0. 098| 2. 5 mg/dL| 0. 150| 0. 149| 0. 153| 0. 154| 0. 150| 0. 151| 3. 5 mg/dL| 0. 234| 0. 239| 0. 237| 0. 250| 0. 229| 0. 238| 5. 0 mg/dL| 0. 286| 0. 287| 0. 288| 0. 292| 0. 291| 0. 289| Unknown A| 0. 241| 0. 238| 0. 239| 0. 241| 0. 241| 0. 239| Based on the data from the known concentrations I found our unknown to be a concentration of 3. mg/dL. Conclusions: We used a spectrophotometer to determine the conce ntration curve for the known samples then used both the spectrophotometer and the concentration curve to determine the concentration of the unknown sample. This technique can be used by toxicologists to determine the amount of drugs in a person’s blood. This can be helpful if there was an overdose or if the district attorney needed to know the concentration of drugs in someone’s system.

Is the ACT Changing Because of the Common Core

Is the ACT Changing Because of the Common Core SAT / ACT Prep Online Guides and Tips Wondering how the new Common Core standards will affect the ACT, if at all? Find out how the ACT could reflect the new Common Core standards, and how that will affect studying for the test. The Relationship Between the ACT and the Common Core This is whatACT, Inc. officially has to say about the Common Core: "Since ACT Aspire was under development prior to the release of the Common Core State Standards, ACT Aspire was not designed to directly measure progress toward those standards. However, since ACT data, empirical research, and subject matter expertise about what constitutes college and career readiness was lent to the Common Core development effort, significant overlap exists between the CCSS and the college and career readiness constructs that ACT Aspire and the ACT measure." Talk about dancing around the issue! According to this quote, the ACT is aligned to the Common Core standards since the CC standards were partially based on ACT's research about "college and career readiness." (Indeed, the ACT was part of the group who designed the Common Core.) So yes, the ACT is at least partially aligned to Common Core. So why not say so directly? It's because the ACT doesn’t want to say the Common Core was a big motivator for any test changes since the standards have been controversial.Since not everyone supports the Common Core, ACT Inc. can't be 100% behind it. Nonetheless, they still want the ACT to fit with the Common Core standards,which have been adopted by 44 states out of 50 and are a major part of the American education system. Though ACT, Inc. is hesitant to just say "the ACT is aligned with the Common Core," the end result is the same: the ACT at least partially reflects the Common Core standards. But what does that mean for the test itself? Are the Recent ACT Changes Common Core-Inspired? As you may know, the ACT has been undergoing some slight changes lately. The goal of these changes is to make the ACT more rigorous so it can better reflect "college and career readiness." College and career readiness is also a major goal of the Common Core. Since both the Common Core and the ACT have the same goal, it's not surprising some of the recent ACT changes seem to bring the test more in line with Common Core standards. What exactly are the changes to the ACT? The new essay might be the most dramatic change. The new essay is longer and focuses on evaluating evidence, rather than speaking from personal experience, which is a hallmark of Common Core English standards. Check out an example of an old and new essay prompt below to see what we mean: Prompt via Preparing for the ACT, 2013-14. Prompt via Preparing for the ACT, 2015-16. The first prompt simply required you to take a position on an issue and explain your position with reasons and examples. But the new prompt requires you to evaluate the three different perspectives, explain your own perspective, and also explain "the relationship between your perspective and those given." So you have to be much more aware of other points of view and be able to synthesize and explain them. This more complex essay task reflects the Common Core English standards, which require students to evaluate different perspectives and analyze them in writing. Aside from the new essay, there are a few other ACT changes. The science section has evolved – there are more multi-part questions and inferences you have to make from the data, which reflects the Common Core’s standards relating to data analysis. It’s worth nothing that the ACT Reading section has drawn from multiple disciplines for years – Literature, Humanities, Social Sciences, and Science – which is a Common Core English standard. But ACT Reading sometimes has â€Å"compare two passages† questions now, which are more complex and relate to the Common Core’s goal to have students evaluate and compare evidence. The ACT Math and English sections, on the other hand, are pretty much the same. The ACT’s Math section still looks like old, pre-Common Core math. It still asks 60 questions in 60 minutes, allows you to use a calculator the whole time, and tests a wide variety of topics, from Pre-Algebra through Trigonometry. The English section still relies mainly on knowledge of grammar rules and English conventions, and is less concerned with the research, communication, and digital literacy skills that the Common Core emphasizes. In short, ACT English and Math have not changed to reflect the Common Core. So while the recent changes to the ACT do seem to mostly fit with Common Core standards, the changes aren’t overwhelming. Plenty of the test is still "pre-Common Core." ACT Aspire While the ACT hasn't changed dramatically, the old pre-ACT test, the Plan, morphed into something called Aspire. ACT Aspire was designed to be able to test the Common Core standards, unlike the ACT. However, I wouldn’t stress about this test – it’s given to measure your school’s progress. ACT Aspire will never be used for college admissions, and your score won't affect your grades. ACT Aspire uses a variety of question formats (like short answer, reorganizing a list, or selecting multiple answers) as opposed to just multiple choice, which is what the plain old ACT uses. Multiple question types is a feature of many other Common Core standardized tests, like PARCC and Smarter Balanced. Aspire is designed for yearly testing from third to tenth grade to show and monitor progress. This approach allows schools to get yearly check-ins on students' progress, which in turn allows them to see if they're meeting the Common Core yearly goals. Aspire also uses texts from a variety of sources and has many questions across the sections about analyzing data, which also fits under the Common Core standards. You can read more about Aspire and how it’s different from the ACT if your school is using it or you want to learn more about it. But again, we don't think you need to worry too much about Aspire. Even though it's aligned with Common Core, at the end of the day it's not a very important test for you. Advice if You're Taking the ACT Even though there are some Common Core-inspired changes on the ACT, you shouldn't overhaul your study plan because of that. You should just focus on studying for the ACT. There's no substitute for putting the time in. The ACT is still a multiple-choice test where your ability to time yourself carefully, use process of elimination, and understand the question will help you succeed. Common Core elements like being â€Å"digitally literate† or doing applied problem solving in math won't help you here. In fact, if anything, the fact that some elements of the ACT are aligned with Common Core could make the test a bit easier. If you're living in a Common Core state, you will be working on Common Core elements, like explicitly looking for evidence in your reading, in class. This will help prepare you for the Common Core-inspired changes on the ACT, including the new essay. You can read more about studying for the harder ACT here. What’s Next? Get even more ACT study resources – including our famous guides to ACT Science, ACT Reading, and ACT English. Get some study tips from our resident perfect 36 scorer. Even if you’re not going for a perfect 36, these skills will give you the boost you need to get to your target score. We also recommend learning about procrastination, and how to avoid it when studying for the ACT! Wait, what target score? Learn how to identify your target ACT score based on your dream schools. Want to improve your ACT score by 4+ points? Download our free guide to the top 5 strategies you need in your prep to improve your ACT score dramatically.

Managing Work and People Essay Example | Topics and Well Written Essays - 2000 words

Managing Work and People - Essay Example In authority, a practice is set up by the employer who then gives it to the employees. At Pixar’s, employees are privileged to have individual recognition particularly when they have improved their skills in the work that they have done, and so they are considered an important asset of the company. Grouping helps create pride among employees in the work place especially when they are grouped in terms of comparable ability, where practices flow better and in a friendly manner. Of importance to note is that evaluation and timing are crucial in every company as they assist in the giving employees’ able time to evaluate themselves as individuals and as groups. Apparently, emotions, attitude and behavior play an important role in the workplace behavior making it easier to manage work and people. INTRODUCTION Pixar Company was established as a Graphics Group in 1979 by Dr. Ed Cat Mull. This came as a division from Lucas firm limited, which has a well- known firm- Star Wars. I t was first based in California, Unites States and is well known for Computer –Generated Imagery (CGI) animation feature films. MOTIVATIONAL THEORY PERSPECTIVE In line with Pixar Animation Studio, it is common knowledge that if people engage in activities that are interesting, engrossing, involving and or everything else, then it’s evident that their motivation is high. ... These two motivations play crucial roles in Pixar Animation Studio in terms of work and people (employees). Intrinsic and Extrinsic motivation Of importance to note is that one of the factors that contribute to effective management at Pixar Animation Studio are Intrinsic and Extrinsic motivation. Intrinsically motivated employees are people who strive to achieve goals that reflect on personal improvement and skill learning especially in understanding specific areas which they are entitled to regardless of what colleagues are doing. Conversely, extrinsically motivated employees specifically strive to beat their colleagues in virtually everything. Needless to say, these two motivation aspects lay within the control of the employees. Motivation Climate Another factor that ensures effectiveness in Pixar Animation is motivation climate. This results from strategies that are adopted by the organization with two main climate of motivation being identified; the task climate and the ego clima te. A task climate is when employees view success in terms of effort and improvement. Moreover, employees have a variety of activities to choose from, over and above, new strategies. On the other hand, performance climate incorporates interpersonal comparison where success is normative. Besides, employees are not interested in learning from their mistakes as would be expected from various organizations (Yarberry 2006, p 19). In relation to motivation climate, Pixar nurtures trusting and respectful relationship and sets free everyone with their creativity. This has been facilitated by the presence of talented individuals who have continually practised loyalty to each other and the team as a whole. Hence, their passion and accomplishment had branded

Restaurant Business as One of the Most Rewarding Type of Small Essay

Restaurant Business as One of the Most Rewarding Type of Small Businesses - Essay Example According to the research findings, it can, therefore, be said that restaurant business is one of the most rewarding types of small businesses. The researcher has witnessed one of his uncle’s advances so much economically because of owning one of them. His restaurant is a fast food restaurant located in the middle of one of the busy streets in Saudi Arabia. The main types of food served at the restaurant are chicken, chicken burgers, fries,  burgers,  pizza, sandwiches, junk food among other fast meals. Fresh fruit juices are also served at the restaurant. The restaurant offers quick dining for those who have time to sit and eat but for those who have no such time, quality food packaging services are offered. The legal ownership structure of the business The legal ownership structure for the restaurant in question is the sole proprietorship. The business is classified under sole proprietorship type of business because only one person legally owns the business, and he and t he business are treated as one entry. He did not partner with anyone in or outside the family in the setting up of the business or running it. Instead, he is the overall manager of the business, overseeing operations, and employees like chefs, customers attendants, and cashiers. At the end of every month, all the profits or losses are upon him alone and he carries liability for any debts incurred. Alternative possible structures An alternative for the sole proprietorship is General Partnership. However, their losses are determined by the extent of their investment. Peacock states that as for a Limited Liability Company, no partner is personally liable for any debts incurred by the business. Before commencing with business, all partners make a written agreement detailing the organization of the business, alienability of interests, provisions of management, and distribution of profits and losses. Sole proprietorship as the most appropriate structures Sole proprietorship is the most ap propriate type of business ownership structure, especially for a small business. It is best fitted for hardworking individuals and those who can learn to sacrifice for a better tomorrow. This is because the owner can decide to plow back a large portion of the profits accrued over a period just to ensure that the business expands within a short period. As for partnerships, not all partners could be ready to make this sacrifice. It is easy to make decisions in sole proprietorship since opinions are sought before undertaking anything. Such structure protects a business from the weaknesses that are found in some form of partnerships with family businesses where decisions are emotionally driven instead of being driven by logic. The owner is not obliged to hire any family members but qualified persons for the business. Out of the hard work of the month, there is no one to take away any portion of the profit from the owner. Reed points out that such business is not subject to government ta xes.

The Greek Song Culture with Reference to Odyssey :: Homeric Epic Greek Literature Odyssey Essays

The Greek Song Culture with Reference to Odyssey The Homeric epic, Odyssey, begins with the invocation of the muse. The muses are the goddesses of total recall. Their name is â€Å"a reminder† since in earlier times, poets had to recall then recite events since the tales were not written down. The importance of memory and recognition is a central feature in Greek song culture. The film Chunhyang gives an insight to ancient Greek song culture. Although each of these stories is from a different culture, the themes and symbolism are the same and central in both cultures. Both of these tales sà ªmainà ´ in order to show the connection between lovers. The importance of recalling events is an integral aspect of Greek song culture. By watching the film Chunhyang, one can gain a deeper understanding of the meaning of metonymy. Metonymy is an expression by means of a connection. In the film, Chunhyang and Mongryong exchange gifts – Chunhyang gives him a jade ring and he gives her a mirror. These gifts are little memories of each other. The connection between two individuals is shown through sà ªma. The jade ring is one of the clearest symbols in the movie. Jade represents love in Eastern cultures. It is fitting that the ring is made from jade since the exchange of gifts is a symbol of the love they share for each other. In addition, jade was thought to preserve the body after death and could be found in the tombs of emperors. The jade ring given to Mongryong by Chunhyang is a sà ªma for both definitions of the word; it is a physical symbol of their trust and a physical representation of the tomb of a hero. Mongryong achieves his kleos by becoming a high ranking official and saving Chunhyang’s life. The mirror is another sà ªma. A mirror shows reflection and this reflection is of the memories that were shared between Chunhyang and Mongryong. A person can reflect on past events and build connections between places, objects, and people. The signs that people give to each other are important for recognition and building relationships The importance of sà ªma can be seen in the Odyssey as well: So you see I know all about this sign [sà ªma], and I desire to learn whether it is still there, or whether any one has been removing it by cutting down the olive tree at its roots.

Discrimination and Young People Essay

1.1 Explain what is meant by * diversity * equality * inclusion Diversity means difference. It means understanding that each individual is unique, and recognizing our individual differences such as race, ethnicity, gender, sexual orientation, age, physical abilities and religious beliefs. Equality means treating everyone the same regardless of their individual differences. It is the discovery of these differences in a safe, positive, and nurturing environment. Everyone has an equal right to be treated with dignity and respect. No one should be denied opportunities because of their race or ethnicity, their disability, their gender or sexual orientation, their age or religion. Inclusion means including people in a way that makes them feel appreciated and respected. Treating individuals fairly and respecting the differences between them makes it easier to include them. 1.2 Describe the potential effects of discrimination Discrimination is treating someone or a group of people in a different way to everyone else based on their individual differences. It involves the behavior towards a child or children such as excluding or restricting children from activities that other children are participating in. Discrimination happens when we fail to respect individuals and their choices. Discrimination affects everybody in different ways: Low self-esteem, depression, withdrawn behaviour, shyness, tearful, fearful etc. When someone is discriminated against, it can exclude them from friends, family, neighbours, and society in general. A child’s self-worth is reduced, as they feel isolated, and alone. Children’s & Young People’s Workforce (2010 page 21) states that â€Å"When children experience prejudiced attitudes, there is a danger of damage to their self-esteem and self-confidence†. Discrimination can limit a child’s right to achieve their potential and objectives, their right to learn, their right to succeed. The most common forms of discrimination are racial remarks, being insulted and being the butt of hurtful jokes. Discrimination, racism and harassment may have significant mental and physical health consequences such as frustration, stress, anxiety and depression. Effects of discrimination physically and emotionally: Depression Anger Low self-esteem Isolation Loss of confidence Low self-worth Feeling stressed or unable to cope Fear of rejection The long-term effects could include: Loss of motivation Missed opportunities that may affect the child’s experiences and development Limited access to services Mental illness caused by stress 1.3 Explain how inclusive practice promotes equality and supports diversity Inclusive practice is about the attitudes, approaches and approaches taken to ensure that people are not excluded or isolated. It means supporting diversity by accepting and welcoming children’s differences, and promoting equality by ensuring equal opportunities for all children. Child care workers show inclusive practice by working in ways that recognise, respect, value and make the most of all aspects of diversity. Children’s & Young People’s Workforce (2010 page 25) states that another type of inclusive practice is to â€Å"offer children equality of opportunity to  participate, develop and learn. This does not mean treating them all the same; we have to acknowledge their diversity and treat children as individuals, with equal concern†. Having a sound awareness of and responding sensitively to an individual’s diverse needs supports them in developing a sense of belonging, well-being and confidence in their identity and capabilities and it helps them to achieve their potential to take their place in society. In addition, inclusive practice involves having an understanding of the impact that discrimination, inequality and social exclusion can have on an individual’s physical and mental health. Having such an understanding ensures appropriate, personalised care and support, thereby enabling an individual to develop self-respect and maintain a valued role in society. Children’s & Young People’s Workforce (2010 page 20) states that â€Å"When children spend time in settings which promote diversity, equality of opportunity and inclusion, they are able to make progress in all areas of development†. Inclusive practice involves reflecting on and challenging one’s own prejudices, behaviours and work practices. It also involves challenging those of colleagues and other service providers with a view to changing ways of thinking and working and changing services to build on good practice and to better support diversity and promote equality. Bibliography Authors:Penny Tassoni, Kate Beith, Kath Bulman, Sue Griffin Year of publication:2010 Title:Children’s & Young People’s Workforce – Early Learning & Childcare Publisher:Heinemann

Essay about Americans Have the Right to Keep and Bear Arms

Americans Have the Right to Keep and Bear Arms Our rights as Americans started to take shape when the Constitution of the United States was drawn up by the delegates at the Constitutional Convention in Philadelphia. Three years later, a very important part of American history called the Bill of Rights was added. The Bill of Rights is looked upon and interpreted every day. It gives the citizens of the United States many of the rights and freedoms that we value today, and some of those are in jeopardy. One right that is at stake is our right to bear arms, which is addressed in the Second Amendment. The Second Amendment is a highly debatable topic, and many legal scholars and the Supreme Court have yet to resolve the issues and†¦show more content†¦Several states have added â€Å"right to carry† laws, while others have made it illegal to possess a concealed weapon (Smith 22). Most of the additional laws deal with the ownership and use of handguns and assault-type weapons. There has been much debate and government lob bying dealing with the passing of gun laws. Many people think the government is focusing too much on the laws about guns, because 90 percent of all violent crime in the United States does not involve any type of firearm (Smith 17). Other countries around the world have also set examples by having gun laws. Guns are banned in the United Kingdom, and the crime rate has risen since that time (Smith 24). Also, within the United States, the crime rate in the states is lower if the states have â€Å"right to carry† laws (Smith 22). The other major problem with gun laws in the United States is that they are simply not being enforced (Smith 15). These facts and others involving the positive uses of guns are argued in court rooms and government offices around the country every day. As government officials study the facts and make laws, they continue to maintain the people’s right to bear arms. When thinking about the people’s right to bear arms, it is appropriate to know that not all stories about guns are bad. Guns are not always used for violence, and the government seems to be keeping this fact in mind. Positive stories about people having their lives saved by guns seem toShow MoreRelatedEssay on The Right to Bear Arms a Constitutional Conflict 1666 Words   |  7 Pagesbearing a firearm was initially represented as a duty in England, up until King Alfred converted this duty into a right. By doing so, individuals were allowed to use firearms for two purposes: self-defense and hunting. In time, â€Å"kings chose to trust their subjects with arms and to modify and supplement the militia if need be† (Malcom 3). 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This amendmentRead MoreThe Freedom And Freedom Of The United States Of America1603 Words   |  7 PagesAmericans, in this rightfully proud nation of The United States of America, have freedom and liberty set amongst the highest of our ideals. Generations were born and raised in this country. They were taught to always respect and cherish the rights and liberties given to us, the people, that were earned and are still being bravely defended to this day. Our rights were earned and are defended by our courageous, gun wielding soldiers. Currently, in this turbulent time of politics in our nation,Read MoreThe Right to Bear Arms Essay831 Words   |  4 PagesThe Right to Bear Arms How many of us want the U.S. government to have the right to tell us what to do, and when w can do it. There are probably not many who would agree that the government should have that right. Though having gun control laws is not to that extreme, some would say it is the first step. 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