Rates of Reaction Experiment :: Papers

Rates of Reaction Experiment Rate of reaction means the rate of formation of a product/disappearance of a reactant, this is useful because we can time the different concentrations reacting with the acid, and give each of them a rate, based on the formula rate = 1/time. Rate of reaction is what we use to measure how quickly a reaction takes to reach a certain point in the reaction in this case it is when it gets to certain cloudiness. In this investigation, we will need to measure the time of the reaction, so we can make a rate for it, to do this we use the formula, - rate = 1/time * 1000, we use the *1000 so that it is a manageable number to plot on a graph if necessary. It is generally measured in time, as this is the only means possible to us; however you must be careful because as heat is a catalyst, it strongly affects the rate as you will see in the results, so we have to try and keep it the same throughout the experiment. The reaction we are studying is very easy to monitor and time. All of the products in the solution dissolve into it (sodium chloride, sulphur dioxide and water), apart from sulphur, which makes the solution go cloudy, and forms a precipitate. This can be written down as s-1for example 15.7 s-1means 15.7 per second is the rate of the reaction. The rate is generally measured by selecting a certain amount of two substances, and finding a suitable way of judging when the reaction has finished, the reaction is then timed, and when you have a time, you put it into the formula rate = 1/time *1000.This is the only method available to us, because it can not be done any other way for this experiment, but others may be measured in different ways, i.e. mass loss, or amount of gas evolved could be measured. The Equations for this experiment are: Sodium thiosulphate + Hydrochloric acid à   Sodium chloride + sulphur +

Comparison Between 1920s and 1930s

Michelle Heredia The 1920’s was the first decade to have a nickname such as â€Å"Roaring 20’s† or â€Å"Jazz Age. † For many Americans, the 1920’s was a decade of prosperity and confidence. But for others this decade seemed to bring cultural conflicts, nativists against immigrants, religious liberals against fundamentalists and rural provincials against urban cosmopolitans. There was a drastic change in economy through the course of 1920 to 1930. During 1930 the great depression had turned the American dream into a nightmare and what once was the land of opportunity had become the land of desperation.Both 1920’s and 1930’s have been characterized for radical political movements. Also throughout the course of these two decades entertainment was a big hit. Celebration was a big part of the 1920’s and due to this, many different behaviors were developed among these large populations, dancing became a big thing, people loved to dan ce especially the Charleston, Fox-trot and Shimmy. Dance marathons were something people went to every weekend. The radio became very popular as well; people liked listening to Jazz, especially the king of Jazz, Louis Armstrong.People also tuned in to listen to sports and live events. Movies were also a big thing during this decade. Parlor games and board games were popular in the 1930’s, people gathered around the radio to listen to the Yankees. Young people danced to big bands. The golden age of the mystery novel continued as people escaped into books, reading writers like Agatha Christie, Dashielle Hammett and Raymond Chandler. Big band or swing became very popular. Meanwhile there were also many differences between the two decades. During the 1920’s for the first time more Americans lived in cities rather than on farms.For many Americans the growth of cities, the rise of a consumer culture, the increase of mass entertainment and the so-called â€Å"revolution in m orals and manners† represented liberation from the restrictions of the country’s Victorian past. Sexual mores, gender roles, hair styles, and dressing all changed. In this decade penicillin was discovered and also the insulin for diabetics. The nation’s wealth more than doubled and this economic growth brought many Americans into an affluent but unfamiliar consumer society. October 29, 1929 later became known as black Thursday, the stock market began its downhill drop.Many people believed that after this day prices would rise again as it had occurred in the past, but instead prices kept dropping. America had celebrated for eight years, but now everything was wasted in just weeks by the stock market. It was the sad ending to the glorious decade. Yet the beginning of the 1930’s, in the beginning one quarter of all wage-earning workers were unemployed and money was scarce because of the depression. During the great depression the American dream had now become a nightmare what once was the land of opportunity had turned into the land of desperation.President Herbert Hoover did not do much to alleviate the crisis, he only argued that there was patience and self reliance needed to get them through this incident. But in 1932, Americans elected a new president, Franklin Delano Roosevelt, who pledged to use the power of the federal government to make Americans’ lives better. Over the next nine years Roosevelt’s New Deal created a new role for government in American life. Many Americans looked at the 1920’s as a decade of confidence and prosperity. However the end of the decade brought about big changes economically, politically, and socially.

College Athletes Should Not Be Banned - 1653 Words

Every year NCAA brings in approximately $6 billion from highly anticipated sports events, such as this month’s NCAA tournament â€Å"March Madness†, for example.1 While brackets will be broken, nets will be slashed, and the championship team will be crowned, ultimately the real winner from college events like these is the NCAA itself. While the relentless student-athletes train rigorously day and night to represent their schools, the athletes who participate do not see a single penny, even though they are the ones who â€Å"†¦risk career-ending injuries every time they onto the court, field, or rink.† The NCAA forces all ‘amateur’ college athletes to sign a contract, forbidding monetary compensation for their efforts and restricting them from any sponsorship deals with payouts. This has posed a dilemma since the early 1900s, because some of the best collegiate athletes have been dirt poor, while the NCAA program has continued to make millions off of the names of athletes who cannot afford to feed their own families. As a solution, all NCAA athletes deserve to be paid. In the event that there were only one reason that college athletes ought to be paid, it is that both the NCAA and the college itself utilizes players’ name and status for its own financial benefit. Whether it is selling players jerseys or signing autographs, the NCAA is successfully profiting off of the player whose number is on the shirt, without giving any cut to the player himself. An eleven billion dollar industryShow MoreRelatedShould College Athletes Be Banned?1289 Words   |  6 PagesNCAA student athletes in the United States, and none of them are paid for what they do. College athletics take up a good portion of the sports world that audiences consume every day. The revenue accumulation through commercialized television is through the roof. Not only are sports fans taking advantage of college athletes playing without pay, but the media is making money off of them as well. This brings to question, how are college athletes any different from professional athletes when it comesRead MoreShould College Athletes Be Banned?1831 Words   |  8 Pagesstudent athletes. A stipend is an allowance for players that is essentially paying players for playing college sports. Most division one programs are jumping on the ability to start paying their players because they do not want to fall behind the ability to bring in top athletes. The NCAA is still in the process of appealing the ruling to pay student athletes. One of the problems that O’Bannon is reaching out for college athletes is that the NCAA will sell a jersey of a popular student athlete withRead MoreThe Possibility of College Sports Being Banned775 Words   |  3 PagesThe first time that I had any type of knowledge about the possibility of college sports being banned was just a few weeks ago inside of my English 101 class. I cannot express how surprise I was when I found this out. Not in a million years I ever would of thought a activity that most athletes live by every day can just go away in a snap of a finger. How could somebody even turn professional if they have not been in the college phase yet? Questions just arise in my head when I hear about this topicRead MoreShould School Athletes Have Drug Tests?1301 Words   |  6 PagesShould School Athletes have to take Drug Tests â€Å"17% of teens drink, smoke, and use drugs during the day in the United States.†(Adler) This is the result of the absence of drug testing in our community, especially in our school. An analysis fact from CDC’s objective Terry Pechacek states that 50 million people do drugs in the united states and 4 million of them are underage and the majority of them are in a high school athletic. Citizens predict that this percentage number will slowly pullulateRead MoreCollege Is More Social Than Academic?891 Words   |  4 Pages College life more social than academic? Buzz Bissenger opposes for college football to be banned because it has no academic purpose. 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Weiner gives four proposals on how to take back sports they are the following: De-professionalize college and high school sports, allow some form of public ownership of profe ssionalRead MoreEffects Of Gambling On College Students861 Words   |  4 Pagesnot make it right for people to engage in such activities. This is especially important, since gambling among college students is constantly growing with the rise of internet-based gambling. According to Carmen Messerlian more than ever, the opportunity to be exposed and to engage in gambling activities for students is present. This is of particular concern, due to the fact that college student develop gambling problems at about twice the rate of other adults. Who benefits from theRead MoreEffects Of Gambling On College Students861 Words   |  4 Pagesnot make it right for people to engage in such activities. This is especially important, since gambling among college students is constantly growing with the rise of internet-based gambling. According to Carmen Messerlian more than ever, the opportunity to be exposed and to engage in gambling activities for students is present. This is of particular concern, due to the fact that college student develop gambling problems at about twice the rate of other adults. Who benefits from theRead MoreCollege Athletes : The Masters Of Multitasking1305 Words   |  6 PagesCollege athletes with out a doubt are the masters of multitasking. Not only being able to play there individual sports at a high level but also finding the time to dedicate to there academics and achieve relatively decent grades. The amount of time that they dedicate to there university out on the game field and in the classroom should be deserving of a reward. Some argue that the problem would be that not every school can afford to give college athletes a decent compensation in every sport; forRead MoreThe Responsibilities Of Being A College Athletes967 Words   |  4 PagesThe Responsibilities of Being a College Athletes As a college athlete you have so many rules to follow, but how do you know if you are breaking a rule? What if someone came up to you and said you had the opportunity to play at a professional level, what should you do? There are so many companies and pro teams that want the best athletes to be on their team or wanting the athlete to wear their gear. As a college athlete we all know that we cannot play for money; if we do we are considered as a professional