Chemistry Lab Getting to know your Bunsen burner Part I The Bunsen or Tirrell burner is commonly used in laboratory heating operations. While the details of construction vary among burners‚ each has a gas inlet located in the base‚ a vertical tube or barrel in which the gas is mixed with air‚ and an adjustable opening or ports in the base of the barrel to introduce air into the gas stream. The burner may have an adjustable needle valve to regulate the supply of gas‚ or adjusting the
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aims to: * Be able to properly manipulate the Bunsen burner. * Be able to identify the parts of the Bunsen burner and to determine the functions of each part. * Be able to discuss the different effects of fire coming out from the Bunsen burner with the different experiments performed. Data/Result 1. The parts of the Bunsen burner 2. The functions of the parts of the Bunsen burner a. Base to support the Bunsen burner so that it will not fall over. b. Gas Inlet helps
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Martin Luther King Jr.’s I Have A Dream speech and John F. Kennedy’s Inaugural Address both represent turning points in American history. Both speakers address America with views of change‚ growth‚ and hope for more positive and enlightened futures. Furthermore‚ the speakers use their platforms to their advantage‚ and use pathos to emotionally attract the support of their audiences. Martin Luther King Jr. was one of the leaders of the African-American Civil Rights Movement in the 50s and 60s; he
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President Kennedy’s response to Khrushchev’s provocation? Was Kennedy prudent or rash‚ suitably tough or needlessly belligerent? By Jeremy Leung 299722 USA & The World 131-236 The Cuban Missile Crisis was perhaps the closest that humankind had ever become to experiencing a thermonuclear war. In October 1962‚ the world watched perilously‚ as U.S. president John F. Kennedy warned his people of the amalgamation of Soviet arms in Cuba. John F. Kennedy refused to accept “offensive” Soviet artillery in such
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Kennedy was a catholic‚ but though he appeared to be devout; his religion was a political liability so he avoided religious rhetoric and promoted the strict separation of church and state. Kennedy went on to push for religious tolerance in the U.S. and stress that the real issues in the U.S. were not religious in nature‚ but the threat of Russia and Cuba‚ the civil rights movement‚ the space race‚ and the poor and unfortunate people in America.Though he didn’t like talking about his personal beliefs
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] “Ich bin ein Berliner” By John F. Kennedy Summary On June 26th‚ 1963‚ John F. Kennedy delivered his famous “Ich bin ein Berliner” speech to the city of West Berlin. Kennedy gave this speech while the world was in the midst of the war between communism and democracy‚ to a people who had been torn and divided because of it. The Berlin Wall had been erected only two years prior‚ and thousands of relatives and loved ones were separated. Kennedy commends the Berliners for their bravery and steadfastness
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In this week’s preparation material‚ the reluctance of our nation’s presidents to move forward more boldly in support of civil rights disheartened me. Senator John F. Kennedy “was not a supporter of civil rights.” a Although‚ as President his views changed. President Eisenhower did not pledge the power of the federal government to enforce the law‚ saying “I don’t believe you can change the hearts of men with law.” b They seemed reluctant to help the civil rights movement forward until it became
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A Bunsen burner can be very useful if is as used properly. There are many different types of Bunsen burners but they all use a mixture of gas and oxygen to make a flame that could be used in a laboratory. To use a Bunsen burner‚ there are several critical steps. But before one starts any experiment‚ one should always read through the experiment procedures and make sure that one clearly understands all steps of the experiment. First‚ one must make sure the main gas is on. It is very important
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the Great Depression was World War I‚ but there were other actions that triggered the collapse. Consequently‚ the war hurt every country economically. The author of “The Great Depression‚” David M. Kennedy‚ supports the fact that World War I hurt the “core societies of the advanced industrialized world” (Kennedy 1). The Treaty of Versailles‚ the document which ended the war‚ imposed harsh consequences towards the villains of the war. The enemies of the U.S. were overwhelmed with war debt and restoration
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be explaining who I think the best president was and why I think that. John F. Kennedy is one of the most well known presidents and in my opinion one of the best presidents of the United States because all of his accomplishments‚ his agenda‚ his ideals‚ the challenges he faced but overcame‚ his assassination‚ and the lasting impact he has made on our country. Before becoming the 35th president of the United States in 1961‚ John Fitzgerald
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