Sean Dowling Julia Phaltankar Mrs. Oakes Chemistry w/ Algebra 10/G February 18‚ 2015 Determining Empirical Formula Lab Introduction: One can find an empirical formula by taking a sample of a compound and dividing the number of moles of one element in the compound by the number of moles of another element in the compound to form a small wholenumber formula. For example‚ in a sample of a made up compound of oxygen and lead‚ one mole of lead has a molar mass of 207.2 g/mole‚ and oxygen
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Depression Paper PSY/270 February 20‚ 2012 University of Phoenix Depression Paper There is a distinct difference between bipolar and unipolar disorder‚ although both disorders may be due to a chemical imbalance in the brain‚ head injuries or genetically passed down through the gene pool‚ each of these disorders have different symptoms‚ characteristics‚ and require different treatments. However‚ there are some things both of these disorders have in common‚ which are the fact that
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Formulas Chapter: 1 Section: 2 * The empirical formula: the formula that gives the simplest ratio of the number of atoms in the compound. Determination of the empirical formula: 1. Find the mass in grams of each element. 2. Find the number of moles. 3. Find the simplest ratio of moles. Question 1. Mass of elements in g. 2. Number of moles of each element. 3. Simple ratio of elements. Practice problems * A 2.765 g sample of lead oxide was heated in a stream
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Real World Radical Formulas MAT222 Intermediate Algebra Real World Radical Formulas This week’s assignment involved solving real work radicals. We were required to solve two problems on pages 605 and 606. While this assignment was not easy for me‚ I feel like I most definitely learned something new. The problems involve sailboat stability and speed. I will be looking for the capsize screening value and the sail power of the sailboat. Page 605 Problem 103 Sailboat Stability
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1. According to the website http://womenissues.about.com/cs/abortionstats/a/aaabortionstats.htm there are approximately 126‚000 abortions conducted each day throughout the world. This website includes the abortion statistics of the world and breaks the data down to the demographics of the United States. It also discusses the decisions to have an abortion and the use of contraceptives in the United States. This was an informative website and included detailed statistics conducted by the Alan Guttmacher
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Evelyn Boyed Granville was born May 1‚ 1924 in Washington D.C. She was the second child and second daughter born to William Boyed and Julia walker Boyed. Her father‚ William Boyed worked as a custodian in the apartment Evelyn was living in. Her father later on left the family early in her childhood. She and her older sister Doris were by her mother and her mother twin‚ Louise walker. The period of time was very difficult and was during segregation. Obstacles that Evelyn Boyed Granville
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1. Graph the function f(x) = (x + 3)3 by hand and describe the end behavior. (1 point) The Function is cubic so it ends in opposite directions‚ the left side will go down and the right side up since the first coefficient is positive. 2. Graph the function f(x) = –x4 – 4 by hand and describe the end behavior. (1 point) The function is quartic so the left and right end will continue in the same direction‚ the lead coefficient is negative so both sides will go down. 3. Graph the function f(x) =
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ANALYZING A WEB PAGE BSHA/352 TECHNOLOGY IN HUMAN SERVICES JASON ANDRADE ANALYZING A WEB PAGE This paper will discuss and review how to properly analyze a web page. It will identify a website intended as a resource for human services and analyze the site based on evaluation criteria as a state. It will discuss the values and relevance of the site to client or human services agencies. ANALYZING A WEB PAGE For this assignment
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Steven Leung 9/19/06 Lab Report The Empirical Formula of a Copper Oxide Purpose: To convert an unknown copper oxide to copper (Cu) metal using natural gas to provide a reducing environment as shown below: Cu O (s) + CH (g) ¨ Cu (s) + Co (g) + H O (g) From the mass difference between the unknown copper oxide and the Cu metal generated at the completion of the reaction and the molar mass of Cu and oxygen‚ the empirical formula of the original copper oxide can be calculated. Materials:
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My purpose this week was to observe translations in the 3rd grade classroom at Moss elementary with a female teacher named Ms. Bowens. As i arrive to Ms. Bowens classroom i noticed the 3rd grade students knew how to work on the math problems on their own while the teacher allows the students to talk amongst their assigned group. As the students work on their assignment the teacher walks around the classroom helping the students that doesn’t understand a question by going to each group. As Ms.
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