1. (a) I‚ III‚ and IV are correct. II is not correct. To explain III‚ de Broglie’s equation states l = h/(mv)‚ so nl = nh/(mv) = 2pi(r). Where: l = wavelength‚ v = velocity of electron‚ n = some positive integer‚ r = distance of electron from center‚ m = mass of electron. Solve‚ get mvr = L = nh/2pi. (b) The current wave mechanical model for the atom states that there are an integer number of wavelengths in every standing integer number (n). 2. (a) The first shell electrons in Lithium are
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Ivan Diaz August 3‚ 2013 Period: 4 AP English Plagiarism Essay Plagiarism is an issue for some students because it is an easy way to complete work. It is a problem that occurs all around the country and affects students’ education tremendously. Education is always at risk when plagiarizing because one is not learning anything. Students who plagiarize should deal with consequences in order to lose the habit. Plagiarism is not original work‚ therefore it deserves a failing mark or zero. Teacher
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1. In the first paragraph of the declaration‚ Jefferson states the reason for the writing of this document. What reason does he give? a. He says “a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation.” He was saying that it is morally right to explain why they were separating from the crown. 2. Where does a government acquire its power‚ according to the declaration? a. The government gets its power from the people of the Unites
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Li 1 Mr. Albert Chan English 102 14 October 2014 The Power of Language The introduction of “A Question of Language‚” is a frame for Gloria Naylor’s discussion. Gloria Naylor defines how the written and spoken language can give different meaning to a word. She considers language powerful tool used by writers and everyday people‚ to express their feelings and capture reality and life. She
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English Composition 2 Final Exam Essay The setting in a story can be the place where the story takes place like a university campus‚ a castle‚ or can describe the time period‚ when the story is taking place like whether the story is taking place in the 1800s’ or 2000s’ or another setting can also be the mood of a story. The settings chosen changes from stories to stories and affects the characters different ways and gives more diversity and make the reader
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Discuss science and its effects. One of the most striking features of the present century is the progress or science and its effects on almost every aspect of social life. Building on the foundation laid by the predecessors the scientists of today are carrying their investigation into ever-widening fields of knowledge. Modern civilization depends largely on the scientist and investor. We depend on the doctor who seeks the cause and cure of disease‚ the chemist who analyses our food and purifies
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Your essay should include at least 2 citations and should be garnished with an original title pertinent to the content of the essay. Give the full question and number below this title. Let your ideas determine the structure of your paper‚ not the other way around. Other topics by negotiation Target Audience College Professor English 150 – college of your choice MLA format Length 2-3 pages only (No Bible length narratives: no Crime and Punishment . . .) ESSAY TOPIC IDEAS 1. Discuss
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ENGLISH LANGUAGE AND COMPOSITION SECTION II Total time--2 hours Question 1 (Suggested time--40 minutes. This question counts for one-third of the total essay section score.) Social networking has become the staple of the internet and the most common way for connecting to other people all over the modern world. Social networking for many is terrifying‚ full of risks and unknowns‚ whereas for others‚ social networking has brought people into healthy relationships with other internet users
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English Composition I EN1320 Unit 3 Assignment Memoir (Revised) Sam Kerns 10/2/2013 Devastation I remember that call as if it were yesterday. I knew it was important to take that call from my dad. I sometimes wish I’d never taken that call that night at my friend’s place. Then again‚ I’m glad I did. I walked to the outside balcony of my friend’s second story apartment. The air was pretty crisp and the only light was from the light poles around the parking lot. I answered
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I love that name. It was not a coincidence you were given that call sign. No one in the National Guard knew your story when you were dubbed Black Magic‚ and yet it is completely appropriate. Black Magic is an artillery term that turns out to be a mirror of your philosophy thus far: Firing at a given target and making data adjustments from the observed round. Seems like a good plan‚ until you remember that it is supposed to be an emergency tactic and not the first course of action. Having a well thought
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