Tuesday, January 28, 2020
Self-Esteem Self-Concept Essay Example for Free
Self-Esteem Self-Concept Essay Two psychological terms that are very commonly used interchangeably are self-concept and self-esteem, but in fact, there is a difference between the meanings of the terms. A persons self-concept is his knowledge about himself. Similar to how he can know other people, and known facts about how they tend to think, and what they enjoy doing, and what their temperament is like, he can also know these things about himself. Some people have much stronger self-concepts than others, probably because possessing a self-concept in much detail requires reflection on ones own self and behavior. Self-esteem, rather than being something that you know about yourself, is your general attitude toward yourself. It is mostly measured on a scale from positive to negative, and your self-esteem is typically based on whether you think you are successful, a good person, smart, and so on. It can vary depending on the situation and what has been going on lately, and any feedback you have gotten recently from your environment and people around you. The key difference between self-concept and self-esteem is that the addition of feelings. Self-concept is simply the informational side of things, where you know facts about what you are like. Self-esteem is how you feel about those things you know, like whether you enjoy the fact that you are talkative at parties (high self-esteem) or you think that you are annoying and need to learn to shut up sometimes (low self-esteem). There are a variety of self-esteem effects that can come from the self-concept. Self-concept and self-esteem also have a lot in common though, mostly that they are reflective processes. They can be influenced not only by observing ones own self and behavior objectively, but also by observing the reactions that other people have to you and your behavior, or imagining what other people might think of you, or what you would think of yourself if you saw yourself from outside. In addition, self-concept and self-esteem can be developed through comparing oneself to those around you, and that is a big reason that self-esteem is raised or lowered. When you see that you are better at something than somebody else, then you will probably have higher self-esteem because you see and understand your own value. What Can Hurt Self-Concept and Self-Esteem? Of course, having people inaccurately say bad things about you and your character, or make comparisons between you and people who are better than you at objective measures can both hurt self-esteem. Perhaps more interestingly, receiving rewards for doing actionsà can actually change your self-concept. If there is something that you enjoy doing as a hobby, and then you get a full-time job doing that activity, you are likely to not enjoy it as a hobby as much or see it as an integral part of yourself, but rather you will view yourself as somebody who does that professionally, but not for fun.
Monday, January 20, 2020
Behind The Lines: Spies In The Civil War :: essays research papers fc
Behind the Lines: Spies in the Civil War à à à à à The Civil War was the bloodiest, most devestating war that has ever been fought on American soil. It began on April 12, 1861, at 4:30 in the morning. The main reason that the war was fought was because Southern states believed that they should have the right to use African-Americans as slaves, and the Northern States opposed that belief. à à à à à Millions of American men and women fought against each other in this war, and more than half a million died. Yes, that is a fact. The men were usually soldiers. Women tended to be nurses, aides, or doctors, although some of them posed as men in order to be able to fight in the war. Some of these men and women, though, were spies. Instead of fighting with guns and ammunition, these people fought through secrets and sabotage. These tactics turned out to be essential. Battle could be won or lost depending on information aquired from spies. à à à à à Back then, spying was hardly the same as it is today, with all of our high-tech gadgets and well-organised secret agent groups. However, most of the things that spies do today were done in the nineteenth century just as effectively. On thing that spies did was send messages, which were usually about the enemy's plans and movements, their troop size, their supplies, and the placement or strength of their forts. Many used coded messages with words that stood for different words. Some had different symbols for letters and numbers. Some spies even used inivisible ink. The spies also had ways of concealing the messages that they had to deliver. Messages were often hidden in articles of clothing. People had to write on silk, that was then sewn into clothing, and spies could also hide information in large metal buttons. Women's clothing was ideal for hiding things in. Sometimes, they would even hide people under their hoop skirts! à à à à à Two other things that spies did often were interceptin gmilitary dispatches and sending supplies. Supplies were often hidden in the same places that messages were hidden. It was also common practice for Confederate spies to hide morphine in the heads of dolls to smuggle it in from the North, as morphine was a painkiller that was desperately needed in Confederate hospitals. à à à à à If a spy was caught, they were usually treated just like common criminals. The penalty for being a spy was most often death by a public hanging, although many spies begged to be shot to death, which was considered to be a more honorable way to go.
Sunday, January 12, 2020
Identification of an Organic Unknown Essay
Introduction I am supplied with an unknown organic compound containing one of the following functional groups: * Alcohol * Aldehyde * Ketone * Carboxylic Acid * Ester * Phenol Organic compounds have different functional groups and therefore differ from each other. They also react differently, I will use this method to determine the type of organic compound I have. I will conduct various experiments to narrow down the choices. I will the using the information I have gathered construct an, easy to follow, flow diagram. Prediction While conducting these experiments, I will produce solutions, which I may need for the next step of the flow diagram. By observing physical changes to the reactants and recording any substance given off by the product, I will be able to follow my flow diagram and therefore determine the unknown compound. For example, if hydrogen gas is released, and the flow diagram gives a choice of hydrogen given off, and no hydrogen given off. I will down the appropriate route and dismiss the other route. Plan To find the organic the unknown, I will need to find the functional group and I will find this by how they react. I will now describe the experiments that I will conduct, the safety precautions and any other information. Firstly, I will need to figure out how to separate the unknown into 2 different groups. This is done by adding Sodium (Na) to the compound in a test-tube. The Na will sink and a steady stream of hydrogen will be released, this will also happen when NA is added to Phenol and a carboxylic acid. I will collect any gas released and use the ââ¬Ëpop testââ¬â¢ to test for hydrogen. I will be wearing safety goggles because the acid and phenol are very corrosive. If there is a ââ¬Ëpopââ¬â¢ I known that it could be one of, an alcohol, phenol or carboxylic acid. I can now split the route into two and from what I discover from the first experiment I can take either one of the routes. If there isnââ¬â¢t a ââ¬Ëpopââ¬â¢ then I will take the other route, It could be aldehydes, esters or ketones, I know this because these functional groups do not react with Na. To find out if the either of these groups are the unknown, I will use Fehlingââ¬â¢s reagent or Tollens reagent experiment. I chose to use the Fehlingââ¬â¢s reagent. This reagent determine whether the compound contains the aldehyde. The Fehlingââ¬â¢s reagent contains copper ions, when added to an aldehyde it is oxidised to a salt of a carboxylic acid and the Fehlingââ¬â¢s reagent is reduced. The solution will stay blue if no reaction takes place, but if the slution turn brick red then a reaction has took place and the unknown will identified as an aldehyde PLAN To find out if the unknown is either one of these the second experiment I will do is to do either the Fehlingââ¬â¢s or the Tollens reagent experiment. I have chosen to do the Fehlingââ¬â¢s experiment. This experiment is used to discover an aldehyde as Fehlingââ¬â¢s solution contains Cu ions. When this is added to aldehyde the aldehyde is oxidised to a salt of a carboxylic acid and the Fehlingââ¬â¢s solution is reduced. If there is no reaction and the solution stays blue I will know that the unknown organic compound is not an aldehyde but if the colour changes to brick red there is a reaction and an aldehyde can be identified. The reaction equation is displayed below of an aldehyde reacting with Fehlingââ¬â¢s solution. 2Cu (aq) + RCHO(aq) + OH (aq) + H O(l) Cu O + RCOOH(aq) + 3H (aq) I would wear safety goggles during this experiment and handle the solutions with great care. When doing this experiment when adding solutions I should stay clear of the reaction area, as I do not know how the reaction will occur and if it is vigorous. Now that I am left with to other functional groups to identify from I can carry out one more experiment to identify the organic compound. At this stage I would have discovered that it does not react with Na so is not an alcohol, phenol or carboxylic acid. It also does not react with Fehlingââ¬â¢s solution so is not an aldehyde so it has to be either a ketone or an ester. The experiment that I have chosen to see the difference between the two would be the reaction with 2,4 DNPH. I would get the unknown compound and place a bit of it into a test tube, I will then add drop by drop the 2,4 DNPH if I see a change in the solution from clear to a yellow precipitate with yellow crystals I will be able to identify the compound as a ketone if not it will be an ester. Now that I have the experiments I will do to indicate if the unknown compound was one of the three that did not produce hydrogen when reacted with Na. I will now describe the experiments I will need to carry out to discover if the unknown compound has either the functional group of an alcohol, phenol or a carboxylic acid that would release Hydrogen when reacted with Na. A further experiment I need to carry out to identify if the compound is an alcohol or is it not. To do this I will do a simple experiment by adding a few drops of universal indicator to a test tube with the unknown organic compound. This will identify to me if there is an alcohol functional group present. If this functional group is present then the solution would go blue/green therefore it would be near neutral although it will turn pink/red if a functional group of either carboxylic acid or phenol is present as they are acidic. After this experiment I will have two functional groups that I would not have identified as I have identified the alcohol. If I had carried out the first experiments I would know that hydrogen is released by this compound when reacted with Na therefore it would be an alcohol, phenol or a carboxylic acid. From the second experiment in this category I would either discover by adding universal indicator if the unknown is an alcohol or if it is both carboxylic acid and phenol. I can now do another experiment adding sodium carbonate to the compound and discover if there is a reaction. I would have a test tube with the unknown compound and I will add the sodium carbonate. I know that if a carboxylic acid is present then carbon dioxide gas will be released. I will have a measuring cylinder or larger test tube turned upside down in a water bath where a plastic tube will allow the gas produced to be collected in the measuring cylinder or test tube. This plastic tube will be connected to the reaction test tube via a rubber bung. The gas collected could then be tested to see if carbon dioxide is released. To do this I will add limewater to the test tube and if the solution forms a milky precipitate then carbon dioxide gas is present. I will then know that the compound is a carboxylic acid. If the precipitate does not go milky then I have identified the unknown organic compound as a phenol. I have discovered that I can do two further experiments on the alcohol. I could reflux the alcohol that I have discovered to discover if this is a tertiary alcohol or one of the primary or secondary alcohols. I will use reflux equipment such as the pear shaped flask and a condenser. I will add it up right and will heat the unknown compound containing anti bumping granules to make it less vigorous. I will use a Bunsen burner to heat the solution in the pear shaped flask. I will then release drop-by-drop potassium dichromate to the pear shaped flask. If there is no change in the colour of the solution and it stays orange then it is a tertiary alcohol. If there is a reaction and the colour of the solution goes blue/green a primary or secondary alcohol is present. To discover if the alcohol is a primary or secondary I could add 2,4 DNPH to the alcohol discovered and if it goes orange/yellow it is a secondary alcohol and if there is no precipitate it is a primary alcohol. In all experiments I will need to take great precautions as many of the solutions are corrosive or flammable. As I will not know the functional groups present in the unknown organic compound I will not know if it is flammable or corrosive therefore I have to handle it with care and try to minimise any spillages. I will wear gloves and wear goggles to protect my hands and eyes. I will not have anything close to the table that may be obstructive and may catch fire. I have described all apparatus that I will use in the description of the experiment therefore have not listed them. In all of the experiments I will add the same amount of unknown compound to the reactant. I will therefore add 2cm of unknown organic compound to 2cm to its reactant. I will however not do these when adding universal indicator, as a few drops will be efficient. Any further reaction equations that may be helpful are written on the sheet with the flow diagram. I have used the chemistry 2 textbooks written by Brian Ratcliff and Helen Eccles. I have also used the Heinemann Advanced Science chemistry textbook written by Ann & Patrick Fullick.
Saturday, January 4, 2020
The Political Landscape Of France - 1367 Words
The political landscape in France had been shifting for a long time before the Enlightenment. The economic and military gains made by Louis XIV, the Sun King, ultimately crippled the country later when the Estates General failed to overthrow the French government democratically and peacefully. Two great thinkers, Baron de Montesquieu and Jean-Jacques Rousseau, both paved the way for the French and other Enlightenment revolutions during the 18th and 19th centuries. Although neither of the men saw the manifestations of their ideas in the American or French Revolutions, their influence is unquestionable to these movements. Without the political and economic atmosphere in France and Europe during the 18th and 19th century, the ideas and beliefs of thinkers like Montesquieu and Rousseau would not have affected the Enlightenment or other vital political movements during that era. Charles-Louis de Secondat, Baron de la Brede et de Montesquieu was born the 18th of January 1689. In this same year, England would undergo the Glorious Revolution, which further removed power from the monarchy and into Parliament. Ironically, one of Montesquieu s most well-known ideas followed the same vein of thought as the Glorious Revolution. His life began in Southwest France where Montesquieu grew up with his aristocratic family. As part of his education, Montesquieu studied law at the Catholic College of Juilly. During this period, some stark changes occurred in France. In 1715, King Louis XIVShow MoreRelatedThe History of the Canadian Political Landscape1788 Words à |à 7 PagesThe Canadian political landscape has a rich and complex history spanning from ââ¬Ësea to seaââ¬â¢, just as the nation itself. Chronicles of dominance, leadership, and association by the United Kingdom, France, and the United States has ultimately shaped the Canadian national consciousness, resu lting in the political ideologies and governance we see today. 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