How does a catalyst in the form of a metal ion affect the rate of reaction in an iodide clock reaction with potassium peroxydisulphate ions? Background When peroxydisulfate ions (S2O82-) react with iodide ions (I-) in the presence of a starch indicator‚ they produce a dark blue solution. Reaction (1) S2O82- + 3I- I3- + 2 SO42- (peroxydisulfate ion) (iodide ion) (iodine ion) (sulfate ion) To determine the rate law for this reaction a series of changes
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Federal Reserve chairman Paul Volcker created a restrictive spending policy which did slow down spending as expected. Reagan then created what is known today as Reaganomics‚ with Reaganomics President Reagan promised reduced federal programs‚ deeper tax cuts for wealthy Americans‚ and he made the government smaller. In July of 1981 President Reagan announced his intentions of cutting down the budget by $41 billion. He referred to this proposal as a second American revolution for hope and opportunity. Reagan
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It always took her ten minutes or more to settle down. But she never completely stopped talking and disrupting other students. I gave her nonverbal clues when her talking became too disruptive but she never acknowledged them at all. Then‚ I tried to use verbal interventions and had her stay after class. I discussed what was acceptable and what was not acceptable in my classroom. It was like I was talking to myself with this student. Her main goal in my room was to be the
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A Telephone Call Face to Face with Obsession In “A Telephone Call‚” Dorothy Parker uses diction‚ tone‚ and point of view to expose obsession and give it a voice. Parker reveals the deep feelings of a woman experiencing an infatuation. The language usage and tone help keep a high-paced unstable feeling throughout the story. Point of view focuses on the thoughts and agitations of the crazed woman. To highlight the theme Parker sensibly uses these specific literary tools. Parker takes advantage
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Rothbort December 4th‚ 2014 The Impact of the Telephone We picture inventors as heroes with the genius to recognize and solve a society’s problems. In reality‚ the greatest inventors have been tinkerers who loved tinkered for its own sake and who then had to figure out what‚ if anything‚ their devices might be good for" - Jared Diamond. The telephone‚ invented by Alexander Graham Bell in 1867‚ revolutionized the world we live in today. The telephone had many good impacts on American society
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H IS TO R Y O F TH E TELEP H O N E Junior Division Documentary HISTORY DAY PERIOD 3 MARCH 1‚ 2010 HISTORY OF THE TELEPHONE I decided to do my research on the history of the telephone because it is the one thing I can’t live without. Today‚ having a telephone is a need that all kids must have to stay in touch with each other. We don’t talk on the phone like our parents did. We text a lot. I conducted most of my research on the internet. I used the Library of Congress online as a primary resource
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The Unknown Citizen Wystan Hugh Auden (To JS/07/M/378 This Marble Monument Is Erected by the State) 1. He was found by the Bureau of Statistics to be 2. One against whom there was no official complaint‚ 3. And all the reports on his conduct agree 4. That‚ in the modern sense of an old-fashioned word‚ he was a saint‚ 5. For in everything he did he served the Greater Community. 6. Except for the War till the day he retired 7. He worked in a factory and never got fired‚ 8. But satisfied
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the terrorized Chicago in the late 1800’s‚ yet he was a slave to his own mind and his own disorders. Herman‚ who is also famous as H. H. Holmes had two personality disorders that drove him to commit the actions that he committed. evidence shows that Holmes had personality disorders like narcissistic personality disorder and antisocial personality disorder. H. H Holmes shows signs of antisocial personality disorder in many ways. To begin with‚ Mudgett started at an early age torturing animals
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HBS case – Salem Telephone Company Opening In 2000 the Public Service Commission (PSC) was informed by the president of Salem Telephone Company (STC) that a profitable computer service subsidiary would reduce pressure for increases to telephone rates. With approval from the Public Service Commission‚ STC‚ a regulated public utility‚ established Salem Data Services (SDS) in 2001‚ an unregulated public utility to perform data processing for the telephone company and additionally to sell computer
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is my Grandfather Clock. It was passed down to me from my Grandmother. I use it and admire it every day. It is definitely a work of art to me. Think of all the work that was put into making a Grandfathers clock. The definition of a Grandfather Clock is a clock in a tall freestanding wooden case‚ driven by weights. Grandfather Clocks have been a part of family legacies including my own for generations. My Grandfather clock is a “Ridgeway”. The Manufacturer is Ridgeway Clocks. They are the oldest
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