Sunday, May 24, 2020

Public international law Free Essay Example, 1750 words

Secondly, the responsibility of the State also entails taking adequate measure to prevent such in-humanitarian issues and promoting adequate safety of each individual from different crimes against humanity. And, the third aspect of responsibility depicts that the States should also ensure to build strong disciplines in terms of recognising such type of happenings and provide adequate reparation to each victim within the State4. With reference to the above mentioned responsibilities, it can be specified that the States should focus on building effective structural and organising aspects to ensure adequate compliance with the set of responsibilities. In this context, strong governmental apparatus and effective managing capability for ensuring that war-crimes, genocides and ethnic cleansing do not happen are crucial aspects for consideration for the States. Moreover, it is also important for the States to establish strong punishable measures for the offenders and ensure adequate compensation to the victims, who experience such type of inhumane practices. Correspondingly, in the context of PIL, the international community is also responsible for encouraging and supporting States to effectively practice their responsibilities along with enabling the UN to build its early warning capability5.We will write a custom essay sample on Public international law or any topic specifically for you Only $17.96 $11.86/pageorder now The international communities should also inspire the regional organisations to establish early warning mechanism to complement their measures at the international context. In this regard, the communities should practice this by making constant incorporation with each State aimed at developing their capability to govern democratically. With regard to the notion of protecting population, the responsibility of fostering diplomatic along with humanitarian means in line with the commitment of defending each individual from genocide and other crimes against humanity related acts. With respect to the predetermined preventive measures of the international community, the activities are likely to be relevant if they are considered feasibly at an early stage with effective strategy and carefulness. Therefore, it is highly important for the sovereign-states to underline early warning capability along with making an effective differentiating assessment in order to deal with various types of circumstances6. Justification of the Insurrectional Movement for the States In relation to the phenomenon of political turmoil, the International Law has clearly stated that the insurrectional movements have adequate rights and responsibilities to fight for independence.

Thursday, May 14, 2020

Joe Turners Come and Gone Essay - 750 Words

Joe Turners Come and Gone is a play demonstrating the movement of African Americans to freedom in 1910. The play is set in a boarding house which is a transitional place for newly freed African American to harbor while they adjust their newly-found freedom. The Images of travel and the use of the phrase the road interposes on the different transitions each character has during the play; the play examines how African Americans search for their cultural identity, following the repression of slavery. For many this involved the physical migration from the South to the North in an attempt to find a new start: In an effort to flee the discriminations they faced in the south and hoping to find financial success, many blacks migrated†¦show more content†¦Although many characters in the story migrate to Pittsburgh to leave slavery some characters do not escape slavery in their self until they allow themselves to let go of the past and find their own identity: In the 1900s black searched for a place in the world after slavery... Joe Turners Come and Gone their identity is called their song,..However main characters have trouble finding their song because of the internal struggle of whom they were and whom they are now becoming as a freed slave... (Sinclair 99). Joes Turner Come and Gone provide an example to how African Americans culture was established, its self-identity issues relate how African-Americans find not only their self but their culture as well, and once one can conceive that, theyve found their identity or their song: ...It is connecting yourself to that and understanding that this who you are. Then you can go out in the world and sing your song as an African ( P. 1352). The boarding house in the play Joe Turners Come and Gone is a place of transition for the characters in the play because it provides the characters a place to relate to other individuals while finding themselves: ...The house in the play acts as a reenforcement to the black community as it gives the characters something to identify with as they try to identify themselves.. ( Mathers 20). The road the play keeps relaying back to is a metaphor for the journey each individual in the play must have in order toShow MoreRelatedAnalysis Of Wilson s The Pittsburgh Cycle 1691 Words   |  7 PagesAfrican-American experience in the 20th century. As the second and fourth plays of the series, Joe Turner’s Come and Gone and The Piano Lesson both explore African-American identity and inheritance in the first half of the 20th century. Wilson’s two plays embody a feature different from the naturalistic or realistic plays of the Bourgeois Theatre. As is said in the American essayi st Frank Rich’s comment on Joe Turner’s Come and Gone, â€Å"Mr. Wilson s play is a mixture of the well-made naturalistic boardinghouse dramaRead MoreDrama: Joe Turners Come and Gone Essay683 Words   |  3 PagesDrama: Joe Turners Come and Gone In the play Joe Turners Come and Gone, by August Wilson, symbolism plays a very important part in conveying the true meaning of the story to the reader. August Wilson uses symbolism to suggest an intangible condition or truth about the characters in Joe Turners Come and Gone, and as the story progresses each symbol accrues complexity beyond the original meaning. August Wilsons complex use of symbolism is grossly demonstrated through Mr. Wilsons use of theRead MoreAnalysis Of Joe Turner s Come And Gone1190 Words   |  5 Pageshard to forge. Through his use of symbolism and indirect characterization, August Wilson establishes his theme that finding and maintaining one’s identity is important in life. The title Joe Turner’s Come and Gone refers to Joe Turney, the brother of former Tennessee Governor Peter Turney. In the late 19th Century, Joe Turney was responsible for transporting black prisoners from Memphis to the Tennessee State Penitentiary, located in Nashville. However, he would often either take them to convict â€Å"farms†Read MoreThe Great Migration Through Different Mediums And Times Essay1334 Words   |  6 Pagestheir time. August Wilson published his play Joe Turner’s Come and Gone in 1984, a drama about the journey of several poor African-American travelers headed North to find work. Jacob Lawrence released his series of paintings titled Migration of the Negro in 1941, a series of sixty paintings that depicts the Great Migration. A major difference between Wilson’s play and Lawrence’s series is the depiction of the individual. In Joe Turner’s Come and Gone, as in any other play or drama, characters areRead MoreThe Meaning Behind The Character Of Rutherford Selig1795 Words   |  8 Pagescycle: Gem of the Ocean and Joe Turner’s Come and Gone. But in contrast to all the other white characters, who are viewed as oppressors in the plays and who have often hurt one of the black characters in some way, Selig is actually helping the African-American characters, whom he not only considers as friends, but also seems to care about. This inconsistency of Rutherford Selig’s persona with the other white characters in both â€Å"Gem of the Ocean† and â€Å"Joe Turner’s Come and Gone† renders him unique andRead MoreThe Gem Of The Ocean, Joe Turner s Come And Gone And The Piano Lesson2451 Words   |  10 PagesMyth as a semiological system in August Wilson’s Gem of the Ocean, Joe Turner’s Come and Gone and The Piano Lesson Abstract Myths are one of the most important elements included in the history of not only African-American lives but also the lives of each and every one of us. Myths are inevitable human resources at times when no other idea justifies our being. As Barthes posits, for it is human history which converts reality into speech, and it alone rules the life and the death of mythical languageRead MoreMy Life Of Becoming An Actor957 Words   |  4 Pagesâ€Å"Mom, I am changing my major to theatre†. The year is 2014, I am a sophomore in college, and I have just completed the final run of the show â€Å"Joe Turner’s Come and Gone† by August Wilson. I was cast as Mattie Campbell. At the time, I was a journalism major who didn’t really have the confidence to pursue my dream of becoming an actor. However, after completing this show, I was tired of giving half of me to the art that I loved. Therefore, the day before my scheduled academic advisement, I commencedRead MoreAfrican American Religion2610 Words   |  11 PagesAfrican American Religion Joe Turner’s Come and Gone Misty Ricard Before Africans were brought to America during the slave trade, they had their own culture and society. They had their own language and dance.   They also had their own religion.   History tells us that the Europeans justified their abuse toward the Africans as helping them become more civilized because the Africans lifestyle appeared primal to them and not as developed and industrialized as theirs. WhatRead MoreEssay about august wilson biography498 Words   |  2 Pagesfollowing that, Fullerton Street. Only afterwards was he able to concentrate solely on composing, eventually producing Ma Rainey’s Black Bottom, his breakthrough product, which was based on a blues singer Gertrude â€Å"Ma† Rainey. Then he wrote Joe Turner’s Come and Gone, and Fences, which was based on his stepfather who could not gain a football scholarship because of his ethnicity. August Wilson’s plays relate directly to his African heritage, and were and are a part of his success. His expression of theRead MoreA Historical Analysis Of August Wilson1946 Words   |  8 Pagesexperience through an exploration into the poetics of the Blues. No literary scholar would deny this claim; and this assertion remains completely warranted as Wilson himself affirms that his writing is â€Å"entirely based on the ideas and attributes that come out of the blues.† (Goodstein, Rosenfeld) However, like the leftover food that wasn’t used for the next stew, the blues begin where American history has failed, with the blues serving many functions throughout Wilson’s plays as a historical response

Wednesday, May 6, 2020

Taking a Look at Eating Disorders - 1708 Words

EATING DISORDERS Introduction: Eating disorders are conditions characterized by abnormal eating habits that include excessive or insufficient food eating habits that hampers a person’s mental as well as physical health. Anorexia nervosa and bulimia nervosa are the most common types. Others are binge eating disorder and eating disorder not otherwise specified. Classification: †¢ Anorexia nervosa (AN), †¢ Bulimia nervosa (BN), †¢ Eating disorders not otherwise specified †¢ Binge eating disorder (BED) or compulsive overeating, †¢ Pica The two most common types, Anorexia nervosa and Bulimia nervosa are described below: Anorexia Nervosa: Anorexia nervosa (AN) is a psychiatric disorder with severe physiological consequences, characterized by the inability or refusal to maintain a minimally normal weight. Patients have a profoundly disturbed body image as well as an intense fear of weight gain despite being moderately to severely underweight. Diagnostic criteria for anorexia nervosa include the following: †¢ Restriction of energy intake relative to requirements, leading to a significantly low bodyweight in the context of age, sex, developmental trajectory, and physical health. †¢ Significantly low weight is defined as a weight that is less than minimally normal or, for children and adolescents, less than that minimally expected. †¢ Intense fear of gaining weight or of becoming fat, or persistent behavior that interferes with weight gain, even though at a significantly lowShow MoreRelatedTaking a Look at Eating Disorders567 Words   |  2 PagesEating Disorders Physical exercise is inarguably healthy for the normal body functions as well as the overall good physical health. Consequently, many people take exercises to achieve the ultimate benefit of good health. However, a compulsive or compensatory need to take exercise could be an indicator of underlying problem of disordered eating habits. It pragmatic to monitor one’s exercising habits in order to increase chances of early detection of any underlying disordered eating habits. TraditionallyRead MoreTaking a Look at Eating Disorders Essay1107 Words   |  5 Pagesstarts to rule your life, eating proportions or habits, and thoughts- you might be in the beginning stages of an eating disorder. Eating Disorders are circumstances where there are strange or peculiar eating routine where there is too much or too little food intake for the lack of benefit to the person’s mental and physical health. Linked from Anorexia are some of the most common types of eating disorders such as Bulimia, anorexia, and binging. All of these eating disorders fall back onto excessiveRead MoreEating Disorders Are A Worldwide Problem1676 Words   |  7 Pages Are Eating Disorders are a worldwide problem? There are 3 types of eating disorders: Anorexia Nervosa, the fear of gaining weight or becoming fat, Bulimia Nervosa, the act of binge eating then purging or vomiting, and Binge Eating Disorder, eating until uncomfortably full in one sitting. The most common ones are Anorexi a Nervosa and Bulimia Nervosa. Even though they have become more common in the 20th century, the first cases of eating disorders were in the Western world and dated from the 12thRead MoreEssay on Health of the Female Population Endangered by Media1008 Words   |  5 Pageswomen and the way that they think about themselves and how they should look. This portrayal of unattainable beauty has effect women and young adolescent girls the most. The number one wish for girls ages 11 to 17 is to be thinner, and girls as young as five have expressed fears of getting fat (Tiggemann, 1996). The medias usage of ultra thin and beautiful models are leading to eating disorders and depression and other mental disorders in women. Robin Gerber who is a motivational speaker and author saysRead MoreAnorexia has many negative effects as well. According to the University of Maryland Medical Centers1700 Words   |  7 PagesAnorexia has many negative effects as well. According to the University of Maryla nd Medical Centers article Eating Disorders, â€Å"Anorexia nervosa can increase the risk for serious health problems such as: hormonal changes including reproductive, thyroid, stress, and growth hormones, heart problems such as abnormal heart rhythm, electrolyte imbalance, fertility problems, bone density loss, anemia, and neurological problems.† Anorexia can severely affect a person internally. The continuous lack of nutrientsRead MoreAnorexia Bulimia: Why Are American Teens Starving Themselves?1533 Words   |  7 Pagesstarts taking image to the extreme and starts harming themselves by starving themselves. More and more teenagers are becoming anorexic and bulimic and it is not only affecting girls but boys are starting to come out and say they have an eating disorder. Anorexia and bulimia is a disorder that can not be taken lightly and needs to have more focus and the dangers to be taught to youth. Anorexia and bulimia sometimes are thought of as the same, they are not. Anorexia is an eating disorder, markedRead MoreEating Disorders and the Media941 Words   |  4 PagesAccording to the National Association of Anorexia Nervosa and Associated Disorders, â€Å"the body type portrayed in advertising as the ideals is possessed naturally by only 5% of American females.† (â€Å"ANAD†) Body image has been a controversial theme because of the influence of the media. It is a widely known fact that eating disorder cases are on the rise. The concept of body image is a subjective matter. The common phrase, â€Å"Beauty is in the eyes of the beholder,† holds true meaning in this sense. One’sRead MoreThe Problem Of Teenage Girls1343 Words   |  6 Pagesastronomically high. Females this young should not have to worry about things as superficial as looks at this age. Teenage years are supposed to be the best years of a person’s life and time should not b e wasted on worrying about body image. The pressure imposed on teenage females to adhere to a fictional standard of beauty has many negative consequences including: eating disorders, low self-esteem, and mental disorders. Teenage girls are targeted by the media the most. Ads showing thin, successful womenRead MoreExcessive Weight Loss Teenage Girls898 Words   |  4 PagesShe desires beauty, but does not look like â€Å"them† therefore she is not beautiful. She fits into her clothes, but the sizes do not fit the standard. She passes up the toast for breakfast, the hamburger for lunch and the Chinese takeout for dinner. She sweats daily so that someday she will not have to sweat it at all. She looks at the scale unsatisfied knowing twenty pounds is not enough. She, along with millions of teenage girls feel pressured to build or maintain the perfect body. Thoughts on howRead MoreEssay on The Unrealistic Concepts of Female Beauty858 Words   |  4 Pagesof perfection. What girl would not want to look like them? Unfortunately, a number of girls want to be just like them. Every year, millions of people are hurting themselves trying to be carbon copies of these sex symbols. The media presents socie ty with unrealistic body types promoting people, especially women, to look like them. In this day and age there have been an increasingly high rate of eating disorders. The trend of turning to these eating disorders to maintain that perfect, â€Å"accepted† body

Tuesday, May 5, 2020

Comparision Of Jack London Essay Research Paper free essay sample

Comparision Of Jack London Essay, Research Paper In Arthur Gordon # 8217 ; s short narrative # 8220 ; The Sea Devil # 8221 ; and in Jack London # 8217 ; s short narrative # 8220 ; To Construct a Fire, # 8221 ; it is clear that in malice of the many differences the two narratives have many more similarities. First, although there are more similarities between the two narratives, there are still many qualities that portray the antithetic nature between the two short narratives. For illustration, when the fisherman ( in Jack London # 8217 ; s narrative ) used his intelligence to get the better of his enemy ; # 8220 ; Merely by utilizing his encephalon could he possible survive, and he called on his encephalon for a solution. # 8221 ; ( 12 ) On the other manus, when the immature adult male ( in # 8220 ; To Construct a Fire # 8221 ; ) panicked when struck by the idea of deceasing, # 8220 ; he was cognizant of the panicked feeling that it caused # 8221 ; ( 364 ) Besides, In # 8220 ; To Construct a fire # 8221 ; the immature adult male did receive advice ; # 8220 ; he knew that he should hold listened to the man. # 8221 ; ( 357 ) Conversely, In # 8220 ; The Sea Devil # 8221 ; the old adult male did non have any advice. Furthermore, In Jack London # 8217 ; s narrative the immature adult male did larn a lesson, but he died ; # 8220 ; Then the adult male drowsed off into what seemed to him the most comfy slumber ever. # 8221 ; ( 365 ) Perversely, the adult male in Arthur Gordon # 8217 ; s narrative learned a lesson ; # 8220 ; He knew one thing. He knew he would make no more casting entirely at dark # 8221 ; # 8230 ; # 8220 ; No, non he. # 8221 ; ( 13 ) Furthermore, In Jack London # 8217 ; s narrative, the secret plan largely took topographic point on land and in the twenty-four hours clip. On the contrary, in Arthur Gordon # 8217 ; s narrative, the secret plan largely took topographic point in H2O and at dark. Besides, in # 8220 ; To Construct a Fire, # 8221 ; the chief character had a knife for a arm ; # 8220 ; With his helpless custodies he could neither pull nor keep his she ath knife. # 8221 ; ( 363 ) In contrast to this, in # 8220 ; The Sea Devil, # 8221 ; the chief character did non hold a arm of any kind. All these differences show that although there may be more similarities, there are still many differences. Second, there are many similarities between the two short narratives. For illustration, in both of the narratives, the old adult male and the immature adult male were lone. This is shown by a twosome of quotation marks: # 8220 ; He knew he would make no more casting entirely at night. # 8221 ; ( 13 ) And in London # 8217 ; s narrative, # 8220 ; he was # 8221 ; ( 357 ) . . . # 8220 ; As he turned # 8221 ; ( 358 ) . . . # 8220 ; He was bound. # 8221 ; ( 359 ) These three quotation marks show that the writer did non m ention another individual, therefore the adult male was lone. Besides, In â€Å"The Sea Devil† and in â€Å"To Build a Fire, † both of the chief characters damaged their custodies. To exemplify this, the quotation mark in â€Å"The Sea Devil, † â€Å"He lifted his other manus and felt the hot blood start instantly.† ( 13 ) And in Gordon’s narrative, † . . . he became cognizant of esthesis in his had. His flesh was burning.† ( 362 ) Furthermore, in London’s narrative, the subject was adult male vs. nature. This is illustrated by the quotation mark, † . . . he came around a bend in the trail and found himself lying in the snow.† ( 364 ) Likewise, in Gordon’s narrative, it is shown by the quotation mark, â€Å" . . . and the H2O would pour into his lungs in one crisp painful daze, and he would be finished.† Furthermore, in â€Å"The Sea Devil, † the chief character was unidentified. His name was non m entioned one time in the full narrative. Similarly, in â€Å"To Build a Fire, † neither was the immature man’s name. Besides, in Gordon’s narrative the old adult male had bad fortune. This is illustrated by the quotation mark, â€Å"He shooting over the side of the skiff as if he had roped a runaway locomotive.† Comparatively, In London’s narrative, this is shown by the quotation mark, â€Å"He was angry, and cursed his fortune aloud.† Furthermore, both narratives had a outstanding carnal figure. In â€Å"The Sea Devil, † it was the Devil Ray and in â€Å"To Build a Fire, † it was the Canis familiaris. Furthermore, in â€Å"To Build a Fire, † the immature adult male made many foolish errors. One of which is illustrated by this quotation mark, â€Å"It was his ain mistake or, instead, his error. He should non hold built the fire under the spruce tree.† Likewise, in â€Å"The Sea Devil, † it is illustrated by the quotation mark, â€Å" . . . he knew, in the split second in which idea was still possible, that those duplicate whirls had been made non by two mullets, but by the flying tips of the elephantine beam of the Gulf Coast.† All these similarities show that the narratives are really similar in many ways. In decision, in # 8220 ; The Sea Devil, # 8221 ; and in # 8220 ; To Construct a Fire, # 8221 ; the narratives had many differences, but many more typical similarities. Both narratives were adult male vs. nature, the character was nameless, the chief character was lone, and many more supports. These all progress my thesis and so, it is clear that in malice of the many differences the two narratives have many more similarities.

Sunday, April 5, 2020

6 Helpful Physical and Chemical Change Examples

6 Helpful Physical and Chemical Change Examples SAT / ACT Prep Online Guides and Tips In your science class, you may have heard of chemical and physical changes. But do you know how to tell the difference between the two? The answer lies in whether or not a change to a substance results in its molecules being rearranged. In this article, we will define chemical and physical and changes. Then we’ll take a look at specific chemical change examples and physical change examples to better understand their differences and similarities. So let’s get started! When ice cream melts (and goes from a solid to a liquid), it undergoes a physical change. Physical Change Definition First, let’s talk about physical changes in chemistry. A physical change occurs when a substance or object changes its appearance, phase, or is used in a mixture. More importantly, a physical change does not change the molecular structure of a substance. And you can reverse a physical change to recover all of the original matter, even if it doesn’t look exactly the same. In other words, in physical changes, the molecules from before and after the change stay the same! What is an example of a physical change? Things like cutting a piece of paper in half, freezing water into ice or bending some of your mom’s favorite silverware (don’t do that!) are all physical changes. That’s because physical changes only affect a substance’s physical properties, not the composition of their molecules. Still not sure about what constitutes a physical change? Don’t worry: we’ll dig into more physical change examples in just a minute. When logs burn, they undergo a chemical change. Chemical Change Definition In contrast, a chemical change takes place when the original substance’s of molecules are taken apart and put back together into new combinations that are different from the original combinations. Furthermore, the original matter cannot be recovered. And unlike physical changes, these changes usually use a lot more energy, such as heat and light, because the molecular bonds need to be broken in order to rearrange them. What is an example of a chemical change, then? Some chemical change examples include a piece of paper burning, a nail rusting, or baking a cake. Like physical changes, it’s pretty clear that the way these things start and end are quite different: a shiny nail turns orange with rust, and wet dough becomes a delicious dessert. The reasons these are chemical changes is that the change happens on a molecular level. Put another way, the object you begin with and the object you end with are completely different substances. So, let’s look at some more examples of physical and chemical changes to better understand the differences and similarities between the two. When this mallet hits the egg, the egg will undergo a (very messy) physical change. (P.S: Don't try this at home!) Physical Change Examples Earlier we talked about some examples of physical and chemical changes. But sometimes telling a physical change from a chemical change can be hard. This is especially true when physical changes require or expend energy. The important thing to remember is that in a physical change, the molecules remain the same. Let’s look at three different physical change examples to better understand this idea. Example 1: Phase Changes iframe width="560" height="315" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen/iframe Phase changes involve changes in size, volume, and density. For instance, when you turn water into ice or vapor, this is called a phase change. This is because water has 3 phases: solid (ice), liquid (water), and gas (vapor or steam). It may seem like some of the water molecules are lost during each phase change: the ice cube gets smaller, and steam seems to disappear into the air. However, in each of these three stages, the water molecules stay the same. And if you were to cool down the vapor, it would reform into water. Cool it down enough, and it would turn back into ice. There would be the same amount of hydrogen and oxygen atoms in the ice cube as there were in the steam, and these atoms will stay in the same molecular shape in all stages. Let’s take a closer look at what’s happening on a molecular level. Vapor is made up of H20 just like the ice cube. The only difference between vapor and ice is that the individual molecules have spread apart in vapor due to the application of heat. Meanwhile, in ice, the molecules group closer together because of the absence of heat. Though these phase changes require energy to be expelled (exothermic reactions) or applied (endothermic reactions), the number of atoms and the shape of the molecules in the substance remains the same. That’s what makes it a physical change! Example 2: Changes in Size and Shape iframe src="" width="480" height="270" frameBorder="0" class="giphy-embed" allowFullScreen/iframepa href=""via GIPHY/a/p Like we mentioned earlier, physical changes are all about whether molecules stay the same or not. When an object undergoes a physical change, it can become a different size and shape as long as its composition stays the same. Here’s what we mean: if you have ever dropped a piece of glass on the floor, you know that it will break apart, exploding into a million pieces. If you really wanted to, once you swept all that glass up into your dustpan, you could probably fit it all back together (even though it would take a lot of time and patience). This is also a physical reaction because the glass stays glass. When it shatters, the glass changes size and shape, but its molecules don’t change. This is a physical change that only involves a change in size and shape. While energy helped shatter the glass into pieces, no energy was used to rearrange the molecules. Example 3: Mixtures Solutions iframe width="560" height="315" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen/iframe Imagine you are on a day out at the beach. The sun is shining, the sand is warm, and the seagulls are trying to steal people’s lunches. After playing in the waves for a bit, you decide to make a sandcastle. You fill your bucket up with sand and plop it upside down. The sand comes out but it doesn’t stick together. You forgot to add water! You try again, this time with water and voila, you’ve created your first tower like a master sandcastle architect. But why didn’t the sand stick together the first time? It has to do with a physical property called surface tension. Surface tension refers to how strong the bond is between a substance’s molecules. Water has a strong surface tension, so adding it to the sand creates a strong enough bond for the sand to cling together instead of falling apart. What makes this different from a chemical reaction is that the sand and the water, though mixed together, do not change their molecular structure. The water stays water and the sand stays sand. And if you were to measure the water that will eventually evaporate once the sandcastle dries, you will find that the amount of evaporated water is equal to the amount of liquid water you added to the sand originally. This is called a mixture because both substances (the sand and the water) retain their own physical properties. The same is true if you add salt or sugar to water. It seems like the salt and sugar dissolve and form new molecules. But if you were to wait for the water to evaporate, you would find that the salt or sugar molecules get left behind in the glass. This is called a solution. Solutions differ from mixtures in that they are homogenous. A single drop of saltwater would have the same number of salt molecules (NaCl) per water molecules (H2O) as another drop taken from the same solution. In a mixture, you might have more sand than water in two different handfuls, even if they were taken from the same bucket. These physical change examples should help you recognize the difference between a physical and chemical change. Especially when you compare them to the chemical change examples below. Dough turning into bread is a tasty example of a chemical change. Chemical Change Examples Both physical and chemical changes result in one thing turning into another. Whether it’s a glass breaking or burning a piece of paper, the original item becomes something different. So how can you tell the difference between a physical and a chemical change? It all comes down toyou guessed it!the molecules. In a physical change, the molecules stay exactly the same throughout the transformation. In a chemical change, however, it’s the molecules themselves that transform! Here are three examples of chemical changes to help you spot the difference! Example 1: Combustion iframe width="560" height="315" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen/iframe Combustion is a chemical reaction between substances, usually including oxygen, that creates heat and light. The energy released by the reaction (in the form of heat and light) is caused by the breaking of molecular bonds. As a result, the original substances transform into entirely different substances because of the rearrangement of molecules, which is an example of a chemical change! For instance, if you mix oxygen (O2) with a type of hydrocarbon called methane (CH4), the molecular bonds of both substances are broken, which creates the heat and light. The bonds then reform to create two different molecules: carbon dioxide (CO2) and water (H2O). Combustion reactions can occur at different rates, too. An example of a slow reaction is a match burning. A fast reaction would be dynamite exploding. The amount of energy released in any combustion reaction depends on how much energy is needed to break the molecular bonds. The harder it is to break the bonds, the more energy is released overall. But regardless of whether the reaction is fast or slow, combustion is a chemical change. Example 2: Decomposition iframe width="560" height="315" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen/iframe Decomposition is rather straightforward. A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. For instance, when an electric current is passed through water (H2O), it can be broken down into hydrogen and oxygen or H2 + O2. In this example, water is broken down into its two elements. The result is a chemical change because the starting and ending molecules are different. You’ll notice that this chemical reaction needed electricity to happen. Decomposition reactions usually require the application of heat from an outside source, making it an endothermic reaction. Keep in mind that not all decomposition reactions have to break down into their elemental forms. More complicated substances with longer molecular chains may break down into smaller compounds instead of elements. An example of this is when 2Fe(OH)3 (also known as ferric oxide) is exposed to heat. Instead of breaking into its individual molecules, it turns into two compounds: Fe2O3 + 3H2O. Example 3: Combination iframe width="560" height="315" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen/iframe Combination reactions, also called synthesis reactions, are the opposite of decomposition reactions. These reactions occur when two substances (called reactants) are added together to create one new substance. And because this is a chemical reaction, the result is a molecular change! One example of this would be a nail rusting. While this may seem like a decomposition reaction because it seems like the nail is decomposing and falling apart. But actually, it’s a chemical change! Iron (Fe) and oxygen (O) combine to create the compound iron oxide (Fe2O3), which is rust. And as you can see, it also results in a completely new molecule. What's Next? Understanding chemical and physical reactions in only one part of what you need to know in order to succeed on either the SAT Chemistry Subject Exam or the AP Chemistry Exam. Here’s a complete syllabus for AP Chemistry to show you what you need to know, and here’s an SAT Chemistry study guide, too. Are you in IB Chemistry? We’ve got you covered, too. Here’s the complete syllabus, a comprehensive study guide, and some examples of past papers from the IB Chemistry exam. If chemistry has you stumped, it’s a good idea to check out some books that can explain challenging concepts in an easy-to-understand way. This post will help you find a guidebook that’s right for you. Have friends who also need help with test prep? Share this article! Tweet Ashley Robinson About the Author Ashley Sufflà © Robinson has a Ph.D. in 19th Century English Literature. As a content writer for PrepScholar, Ashley is passionate about giving college-bound students the in-depth information they need to get into the school of their dreams. Get Free Guides to Boost Your SAT/ACT Get FREE EXCLUSIVE insider tips on how to ACE THE SAT/ACT. 100% Privacy. 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Sunday, March 8, 2020

First Confession Essays - Confession, Catholic Liturgy, Free Essays

First Confession Essays - Confession, Catholic Liturgy, Free Essays First Confession Mrs. Ryan and the Priest In Frank OConnors story First Confession, Mrs. Ryan and the priest are different. Mrs. Ryan and the priest approach Jackie differently and have different affects on him. Mrs. Ryan makes Jackie feel like a sinner in her approach to him. She teaches him how to examine his heart by asking himself a few questions, Did we take the name of the Lord, our God in Vain? Did we honor our father and mother? Did we love our neighbors as ourselves? Did we covet our neighbors goods?(614). This made Jackie feel like he is a sinner because he feels that he was not honoring his grandmother and feels that he coveted Noras penny she got every week from their grandmother. Mrs. Ryan affects Jackie by making him feel that confession is scary. After telling her story about the man who made a bad confession, Jackie becomes scared of going to confession. Mrs. Ryan is trying to scare Jackie so that he wont make a bad confession but instead she causes him to become scared of going to confession. Jackie becomes so scared that he starts to think, I would make a bad confession and then die in the night and be continually coming back and burning peoples furniture (616). The priest uses an approach of understanding. He understands Jackies thought of being a sinner, for instance, he tells Jackie that there are a lot of people he would like to go after with a bread knife as well. This had to make Jackie feel better about not being a sinner because the priest had thought the same thing as he had. For Jackie says that he tried to kill his grandmother and Nora and the priest says, theres a lot of people Id like to do the same to(618). The priest affects Jackie by comforting him. When the priest catches Nora clipping Jackie across the ear and yelled at her for doing this, Jackie feels comforted because no one had ever defended him against her before. The priest also comforts him by telling Jackie, wait now until Im finished with the old ones.(617). Jackie now feels special because the priest is going to take time with him. The priest comforts Jackie to where he is not scared of confession anymore. Jackie says, The relief of it was really enormous.(617). Between Mrs. Ryan and the priest, the method the priest uses works better than Mrs. Ryans does. Teaching people religion by scaring them does not work because someone is not going to want to learn more about it if he or she is going to become scared. The way the priest approaches and comforts Jackie is a much better method. If a person is comforted and approached in a since of understanding, it would be more likely that he or she would want to listen to the person trying to teach him or her.

Friday, February 21, 2020

Investigation of the cardiovascular changes and cognitive effects of Research Paper

Investigation of the cardiovascular changes and cognitive effects of commercially available energy drink on student in lectures - Research Paper Example 127; Finnegan, 2003, p. 147). â€Å"Energy Drinks† which are so called because they are thought to be stimulant in nature, providing the consumers with an instant boost of energy and alertness and decreasing lethargy and sleepiness, were first introduced in the global market in the late nineties and have been gaining widespread fame ever since (Kim, 2003, p. 2). Energy Drinks are categorized as â€Å"stimulant drinks,† which have been defined by the Stimulant Drinks Committee as ‘a beverage which typically contains caffeine, taurine and vitamin(s) and may contain an energy source (e.g. carbohydrate) and/or other substance(s), marketed for the specific purpose of providing real or perceived enhanced physiological and/or performance effects (Finnegan, 2003, p. 248).’ The manufacturers of Energy Drinks claim that such drinks enhance both mental and physical functions, resulting in improved physical endurance, increased alertness and concentration, augmented re action speed and an elevated affect (Kim, 2003, p. 2; Kaminer, 2010, p. 643). Statistics reveal that the United States ranks as the largest consumer of energy drinks worldwide with an annual consumption amounting to approximately 290 million gallons (Weise, 2008 cited in Higgins et al., 2010, p. 1033). It is interesting to note that the age group in which the consumption of such drinks is the highest is between 11-35 years (Ballard et al., 2010 cited in Higgins et al., 2010, p. 1033). Such drinks are common amongst the adolescent age group, in particular, amongst students due to a variety of reasons including the perception that these drinks help to boost one’s performance especially during athletic performances and during exams, help in overcoming fatigue and sleepiness and also because such drinks have now become a fad nowdays and are widely available during parties and other social gatherings (Paddock, 2008). There are several varieties of Energy Drinks available commercia lly and amongst them, Red Bull is one of the most famous and commonly consumed Energy Drink. The key active ingredients of this drink include caffeine (approximately 32 mg/dL), taurine (approximately 400 mg/dL or 1000 mg per drink), glucuronolactone (approximately 240 mg/dL or 600mg per drink), and sugar (as an energy source) (Kim, 2003, p. 2; Ragsdale, et al., 2010, p. 1193). In addition, these drinks also contain water and small quantities of some vitamins and minerals (Ragsdale, et al., 2010, p. 1199). Amongst the active ingredients, caffeine and taurine are found to contribute most significantly towards the aforementioned positive effects. An important component of energy drinks is carbohydrates which are present in significant amounts in the form of in concentrated forms of sugars such high-fructose corn syrup or sucrose. It is a well known fact that carbohydrates are the major energy metabolites of the human body. Studies have revealed that administration of moderately concent rated solutions of carbohydrates, or amounts between 25-50 g of glucose, help in improving exercise capacity and delay the occurrence of post-exercise fatigue (Scholey & Kennedy, 2004; Higgins et al., 2010). In addition, consumption of glucose in levels similar to those present in Energy Drinks has been found to improve cognitive functions including attention and reaction times (Smit et al., 2004). On the other hand, caffiene which is the other key active component of Energy Drinks, is known to be a central nervous system stimulant.