Boyles Law Explained With Example Problem

Boyles gas law states that the volume of a gas is inversely proportional to the pressure of the gas when the temperature is held constant. Anglo-Irish chemist Robert Boyle (1627–1691) discovered the law and for it he is considered the first modern chemist. This example problem uses Boyles law to find the volume of gas when pressure changes. Boyles Law Example Problem A balloon with a volume of 2.0 L is filled with a gas at 3 atmospheres. If the pressure is reduced to 0.5 atmospheres without a change in temperature, what would be the volume of the balloon? Solution Since the temperature doesnt change, Boyles law can be used. Boyles gas law can be expressed as: PiVi PfVf where Pi initial pressureVi initial volumePf final pressureVf final volume To find the final volume, solve the equation for Vf: Vf PiVi/PfVi 2.0 LPi 3 atmPf 0.5 atmVf (2.0 L) (3 atm) / (0.5 atm)Vf 6 L / 0.5 atmVf 12 L Answer The volume of the balloon will expand to 12 L. More Examples of Boyles Law As long as the temperature and number of moles of gas remain constant, Boyles law means doubling the pressure of a gas halves its volume. Here are more examples of Boyles law in action: When the plunger on a sealed syringe is pushed, the pressure increases and the volume decreases. Since the boiling point is dependent on pressure, you can use Boyles law and a syringe to make water boil at room temperature.Deep-sea fish die when theyre brought from the depths to the surface. The pressure decreases dramatically as they are raised, increasing the volume of gases in their blood and swim bladder. Essentially, the fish pop.The same principle applies to divers when they get the bends. If a diver returns to the surface too quickly, dissolved gases in the blood expand and form bubbles, which can get stuck in capillaries and organs.If you blow bubbles underwater, they expand as they rise to the surface. One theory about why ships disappear in the Bermuda Triangle relates to Boyles law. Gases released from the seafloor rise and expand so much that they essentially become a gigantic bubble by the time they reach the surface. Small boats fall into the holes and are engulfed by t he sea.

Effectiveness Of A Competitive Advantage - 1156 Words

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Gathering of Old Men Essay Example For Students

Gathering of Old Men Essay By: Joey In A Gathering of Old Men, by Ernest J. Gaines, racism plays a huge part of life in the south. When a white man is found dead; his family and friends start to gather to find the man who did this. After time these men start to drink and make a plan to kill the man; who just happened to be black. This just shows how even though the Civil was brought freedom to blacks, there is still hate towards them because of their skin color. After time the black men also start to gather at Mathus house (the man who murdered the white man) and they all bring twelve gauge shotguns. The sheriff arrives and asks who killed that man, and all the black men say, it was me. The sheriff then threatens to take them all to prison, but he cannot because he does not know who the murder is. The sheriff knowing the racism of the town; has a deputy stand on Mathus sidewalk to make sure nothing happens. As time goes by and the white men are starting to get angry the man whos son was killed steps in and say s this cannot go on any longer. This shows how after time color or race does not matter to people, and how after time a man is a man and a woman is a woman. This upsets the rest of the men even more because this shows them how they are not superior to the black men anymore. As time goes on the sheriff is starting to worry even more; because he knows the men have been drinking excessively. When night falls the sheriff and his men go home, praying that nothing will happen. By this time the white men are very drunk and want revenge. To the white mens surprise when they arrive to Mathus house they are out numbered at least two to one. The white men realize that they are going to loose once again. When the white men start to shoot this shows how childish people are when they are not on top of the world. The white men all die and lie dead in the street when the sheriff arrives the next morning. Even though six men were killed the sheriff does not do anything because he knows the whit men were the cause. When the color of a persons skin or their religion means enough to people to kill them, it is childish and this should be put to a stop. Word Count: 421

Reflective Essay Essays - WWE Hall Of Fame, , Term Papers

Reflective Essay Highs And Lows Of Being A Fan Of The World Wrestling Federation I Love the World Wrestling Federation (WWF), I have watched and supported the WWF for over 8 years, I remember Hulk Hogan, Randy Savage and Jake Roberts and now today my idles are Triple H, The Rock and The Undertaker. What is it about the WWF that I like, if you asked me 6 years ago I would say that is because I think that Bret Hart is great and is a champion, but what about now, there is no Bret Hart or Hulk Hogan, is it the violence or the soap opera story lines. The WWF at present day is very publicised, a lot of lights and very expensive entrance music composed by well-known artists, such as Run DMC, Kid Rock and Method Man. The olden days as I call them were different, Superstars would enter the ring at the sound of drums or sometimes even a fully composed song, like for Hulk Hogan, "The Real American" that was a song that if played at an event would send chills up your back and goose bumps over my body because it was time for Hulkamania. Then there were themes that would get me into a state of seriousness, like the original Undertaker theme or Earthquake. These themes would be slow or loud and would make you think here comes the bad guy. Now all the themes sound good, The bad guys are sometimes better than the good guys, For example Triple H is a brilliant theme and is better than The Rock's theme, but the goose bump giving spine tingling effect of the rocks theme is still there and that effect has been there through out WWF history, Bret Hart, Shawn Michaels, The Undertaker, The Rock and of Hulk Hogan. I feel the arena quality these days are very good, there are live events at lots of well-known arenas like, Madison Square Garden, Joe Louis Arena, Freeman Coliseum in San Antonio and there are many others. Tours around the United States, the usual cities include, Chicago, New York City, San Francisco, Texas, Washington and so many more. WWF Tours of Britain used to take place; they would stop off in Newcastle, Glasgow, London, Manchester, Liverpool, Sheffield, Birmingham and Bristol. Now they come to the U.K twice a year, Manchester for Insurextion and Sheffield for Rebellion. It is very hard to get tickets to the events, I am really upset that I cannot go; they sell fast, Wrestlemania 16, sold out in 20 minutes. I will go to an event one day even if it means being apart of it I will get to a Pay-Per View event. My favourite 5 superstars, Triple H, The Undertaker, Shawn Michaels, Chris Jericho and Mr. Ass (Billy Gunn). Triple H, his real name is Paul Levesque, and was born in Greenwich Connecticut, I look up to him because he is a champion. The Undertaker, the dead man now known as The American Bad Ass, his real name Mark Colloway, he is very tall and sticks up for what he believes in. Shawn Michaels, he uses vanity to get across to views and fans, although it does not have the same effect when I do it. Chris Jericho, or Chris Irvine as he is known to his mother, I look up to him because I think he is great. Finally Mr. Ass, Billy Gunn, he is just amazing he always wins as well. The fans love him to. I have been a fan of the WWF for nearly 8 years as I stated earlier, in that time I have seen faces come, faces go, talent born, bad turn goodie, goodies turn baddie and champions crowned. My most recent memory of a new champion crowned is at No Mercy 2000, when Kurt Angle (Olympic Gold Medallist at Atlanta 1996.) won the WWF title from the Rock. Jericho has been a Intercontinental Champion and a European Champion. Hulk Hogan has been a Champion as well. So in conclusion why am I a fan of the WWF, I like the superstars, Chris Jericho, HHH, Kurt Angle and The Undertaker, but I liked the old stars as well, Hogan, Savage, Roberts and The