Monday, May 25, 2020

Solute Definition and Examples in Chemistry

A solute is defined as the substance that is dissolved in a solution. For solutions of fluids, the solvent is present in greater amount than the solute. Concentration is a measurement of the amount of solute present in a chemical solution, with respect to the amount of solvent. Examples of Solutes Usually, a solute is a solid that is dissolved into a liquid. An everyday example of a solute is  salt in water. Salt is the solute that dissolves in water, the solvent, to form a saline solution. On the other hand, water vapor is considered a solute in air because nitrogen and oxygen are present in much larger concentration levels in the gas. Different Types of Solutes When two liquids are mixed to form a solution, the solute is the species present in the smaller ratio. For example, in a 1 M sulfuric acid solution, sulfuric acid is the solute while water is the solvent. The terms solute and solvent can also be applied to alloys and solid solutions. Carbon may be considered a solute in steel, for example.

Thursday, May 14, 2020

The Setting for Williams A Streetcar Named Desire

The setting for A Streetcar Named Desire is a modest, two-room flat in New Orleans. This simple set is viewed by the various characters in sharply contrasting ways—ways that directly reflect the dynamics of the characters. This clash of views speaks to the heart of the plot of this popular play. An Overview of the Setting A Streetcar Named Desire, written by Tennessee Williams is set in the French Quarter of New Orleans. The year is 1947—the same year in which the play was written. All of the action of A Streetcar Named Desire takes place on the first floor of a two-bedroom apartment.The set is designed so that the audience can also see outside and observe characters on the street. Blanches View of New Orleans Theres a classic episode of The Simpsons in which Marge Simpson lands the role of Blanche DuBois in a musical version of A Streetcar Named Desire. During the opening number, the Springfield cast sings: New Orleans!Stinking, rotten, vomiting, vile!New Orleans!Putrid, brackish, maggoty, foul!New Orleans!Crummy, lousy, rancid, and rank! After the show aired, the Simpsons producers received a lot of complaints from Louisiana citizens. They were highly offended by the disparaging lyrics. Of course, the character of Blanche DuBois, the faded Southern belle without a dime, would completely agree with the cruel, satirical lyrics. To her, New Orleans, the setting of A Streetcar Named Desire,  represents the ugliness of reality. To Blanche, the crude people that live on the street called Elysian Fields represent the decline of civilized culture. Blanche, the tragic protagonist of Tennessee Williams play, grew up on a plantation called Belle Reve (a French phrase meaning beautiful dream). Throughout her childhood, Blanche was accustomed to gentility and wealth. As the estates wealth evaporated and her loved ones died off, Blanche held on to fantasies and delusions. Fantasies and delusions, however, are very difficult to cling to in the basic two-room apartment of her sister Stella, and specifically in the company of Stellas domineering and brutal husband, Stanley Kowalski. The Two-Room Flat A Streetcar Named Desire takes place two years after the end of World War II. The entire play is staged in the cramped flat in a particularly low-income area of the French Quarter. Stella, Blanches sister, has left her life at Belle Reve in exchange for the exciting, passionate (and sometimes violent) world that her husband Stanley has to offer. Stanley Kowalski thinks of his small apartment as his kingdom. During the day, he works in a factory. At night he enjoys bowling, playing poker with his buddies, or making love to Stella. He sees Blanche as an intruder to his environment. Blanche occupies the room adjacent to theirs—so close that it impinges on their privacy. Her garments are strewn about the furniture. She adorns lights with paper lanterns to soften their glare. She hopes to soften the light in order to look younger; she also hopes to create a sense of magic and charm within the apartment. However, Stanley does not want her fantasy world to encroach upon his domain. In the play, the tightly-squeezed setting is a key factor in the drama: It provides instant conflict. Art and Cultural Diversity in the French Quarter Williams offers multiple perspectives on the plays setting. In the plays beginning, two minor female characters are chatting. One woman is black, the other white. The ease with which they communicate demonstrates the casual acceptance of diversity in the French Quarter. Williams is presenting here a view of the neighborhood as having a thriving, exuberant atmosphere, one that nurtures an open-minded sense of community. In the low-income world of Stella and Stanley Kowalski, racial segregation appears to be nonexistent, a sharp contrast to the elitist realms of the old South (and Blanche Dubois childhood). As sympathetic, or pathetic, as Blanche may appear throughout the play, she often says intolerant remarks about class, sexuality (in the case of her homosexual husband who was devastated by her negative comments), and ethnicity. In fact, in an ironic moment of dignity (given his brutality in other contexts), Stanley insists that Blanche refer to him as an American (or at least Polish-American) rather than use the derogatory term: Polack. Blanches refined and disappeared world was one of brutal racism and denigration. The beautiful, refined world she longs for never existed. In the present as well, Blanche maintains this blindness. For all of Blanches preaching about poetry and art, she cannot see the beauty of the jazz and blues which permeate her present setting. She is trapped in a so-called refined, yet racist past and Williams, highlighting the contrast to that past, celebrates the uniquely American art form, the music of the blues. He uses it to provide transitions for many of the plays scenes. This music can be seen to represent the change and hope in the new world, but it goes unnoticed to Blanches ears. Belle Reves style of aristocracy has died away and its art and genteel customs are no longer relevant to Kowalskis post-war America. Gender Roles After World War II The war brought innumerable changes to American society. Millions of men traveled overseas to face the Axis powers, while millions of women joined the workforce and the war effort at home. Many women discovered for the first time their independence and tenacity. After the war, most of the men returned to their jobs. Most of the women, often reluctantly, returned to the roles as homemakers. The home itself became the site of a new clash. This post-war tension between the roles of the sexes is another, very subtle thread in the conflict in the play. Stanley wants to dominate his home in the same way males had dominated American society before the war. While the main female characters in Streetcar, Blanche and Stella, are not women who are seeking the socio-economic independence of the workplace, they are women who had money in their youth and, to that degree, were not subservient. This theme is most evident in Stanleys well-known quote from Scene 8: What do you think you are? A pair of queens? Now just remember what Huey Long said—that every mans a king—and Im the King around here, and dont you forget it. Contemporary audiences of Streetcar would have recognized, in Stanley, the male side of what was a new society-wide tension. The modest two-room flat that Blanche disdains is this working mans kingdom and he will rule. Stanleys exaggerated drive for domination indeed extends, at the end of the play, to the most extreme form of domination, rape.

Wednesday, May 6, 2020

To Encourage Healthy Eating, Higher Taxes Should Be...

To encourage healthy eating, higher taxes should be imposed on soft drinks and junk food. Do you agree or disagree. Nowadays is getting more and more important to stay fit and healthy. There are a lot of negotiations about how to prevent junk food market. One of many possible solutions could be to impose higher taxes on soft drinks and junk food, what could encourage healthy eating. Although, from first sight, it can look like a good solution, but in this essay I am going to prove, that high taxes is not the best way, event, in my opinion, junk food must be replaced by healthy and home-made food. Firs of all, in many countries the high cost of eating healthy food is often just an excuse for being overweight, especially by†¦show more content†¦Several research studies have found that junk food can affect the brain almost the same way as nicotine or heroin. People get addicted to eating out, but they do not have to eat out because it is cheaper. That is why, in my opinion, imposing higher taxes on junk food would not prevent consumption of fast food and, even more, encourage healthy eating. People should, firstly, began to look after themselves, for example, eat a wide variety of nutrient-rich foods, do not starve themselves, maintain a healthy body weight, learn how to cook healthily, when dining out avoid fast food restaurants, eat regular meals, eat enough calories, but do not over eat, drink more water and, I think, the most important thing is to start moving. As it was said â€Å"eat to live, do not live to eat† and use the money you have left over to enjoy your life away from the table. To sum up, it is obvious, that no matter what a person tries to do, there is no way to prevent a consumption of soft drinks and junk food. Fast food impacts people brain and get them addicted to it and imposing higher taxes is not a solution. 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Tuesday, May 5, 2020

Climate Change and Food

Question: Discuss about theClimate Change and Food. Answer: Key Principles about Public Health, Climate Change and Food Quality and Security of Food and Climate Change Climate change will influence the quality of food existing for use by individuals.Transformed environment for food manufacture may end in rising pathogens, fresh harvest and cattle species, and changed use of insecticides and veterinary medications, and influence the chief transmit systems via which contaminants travel from the atmosphere into foodstuff. Climate change lessening may amplify expenditure of foods whose manufacture lessens greenhouse gas emanations. Framework Figure 1. The planning cycle The steps in short are: recognize the determinants of the fitness crisis, their operational conditions and the populace groups affected measure the hazards and profit to recognize what must be tackled spot intercession options and evaluate them choose the portfolio of intercession that can tackle the crisis employ the portfolio assess the portfolio (2) Security of Food There are three key mechanism of food safety: Food access: the capacity to obtain and eat healthy food Food availability: delivery of foodstuff inside a neighbourhood upsetting food security of persons, families or a complete populace Food use: the correct utilization of food depending on awareness of fundamental nutrition and care Key Principles about Public Hhealth, Climate Change and Water Quality and Security of Water Key Issues Figure 2 The quality and security of water is threatened by The risk of contamination from microbial pathogens and chemicals Depletion in supply Waterborne diseases Privatization Oceanic stress Quality and Security of Water, Specific to Climate Change Climate changehas numerous consequences on water on a large scale. Thawing of glacial ice into the sea Increase in atmospheric water, resulting inmore, heavy rainfall Warm air swaps snow with precipitation and evaporation rates swell. Thawing of inland glaciers In sub-tropics, there happens reduction in precipitation in already arid regions. Further severe floods and famine worldwide Shifting weather and rising temperatures ensuing increased waterborne disease spreading Difference The two approaches illustrate the blow to public health by the risks of decreased water quality and security. However, the second one stresses that weather change is a chief supplier to this risk. It might alter the locus of the mitigation policies that are created and applied in reducing climate change. Climate Change Public Health and Public Health Climate change, jointly with other natural and man-made health issues, manipulate public health and ailments in several ways. Some active health risks will strengthen and newer ones will materialize. Not everybody is uniformly in danger. Important factors comprise age, economic assets, and geography. Public health is normally influenced by disorders of physical, organic, and environmental system, counting disorder beginning here and elsewhere. The health outcomes of these disorders contain amplified respiratory and cardiac ailment, injuries and sudden deaths associated to severe weather situations, alterations in the occurrence and geographical allocation of food- plus water-borne diseases and other communicable diseases, and risks to psychological health (1). References CDC - Climate Change and Public Health - Climate Effects on Health [Internet]. Cdc.gov. 2016. Available from: https://www.cdc.gov/climateandhealth/effects/ www.health.nsw.gov.au [Internet]. www.health.nsw.gov.au. 2016 Available from: https://www.health.nsw.gov.au/research/Documents/planning-framework.pdf