Experiment 8: Hydrogen Phosphate Buffer Systems Purpose The purpose of the lab was to create a buffer solution and observe the capacity of the phosphate buffer system. Also‚ the experiment was meant to provide experience with the calculations and mathematics involved in creating the buffer solution. Finally‚ the lab was designed to provide an insight and appreciation for the necessity and complexity of buffers in our physiology and in the environment. Procedure No deviations were made from
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Acids‚ Bases‚ and Buffers Introduction: The pH scale is used to determine how acidic or basic a solution is‚ ranging from 1-14. The most acidic of all acids are at a pH level of 1 and the most basic of all bases are at 14. The neutral pH level is 7‚ which is what drinking water is. The pH level is determined by the amount of H+ ions present in a solution‚ and the more H+ ions there are the more acidic it is‚ and the lack of these ions results in more basic solutions. One distinguishing feature
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In the book‚ Time Enough For Drums‚ there were many characters. Such as: Jemima Emerson‚ John Reid‚ Rebekah Emerson‚ Daniel Emerson‚ James Emerson‚ Sarah Emerson‚ and Lucy. The character that seemed to catch my eye the most is Jemima Emerson. My character‚ Jemima Emerson‚ is stubborn‚ loving or caring‚ and restless. Jemima is stubborn because at the beginning of the book‚ John Reid shows up to greet Jemima and Daniel‚ he has a talk with Daniel about how she always lies in order to get her way
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Commentary – Piano and Drums by Gabriel Okara In Gabriel Okara’s poem‚ “Piano and Drums”‚ Okara expresses his feelings and thoughts of a primitive society in contrast to a western society. Being an African himself‚ and having studied in a western society‚ the poem reflects the confusion in his emotions as well as the loss of self-identity. The title of the poem itself‚ “Piano and Drums” displays a sense of dissimilarity and contrast as the instruments are so unalike in terms of sophistication.
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As a child‚ I would anticipate recess so my classmates and myself could go outside and play jump rope whether it was by myself or with a few other people we would have a great time skipping rope to songs we learned to recite while we jumped. Adolescence was a time in my life when there was no worries or stress‚ and jumping rope was just a fun school game everyone liked to play. As we grew up and school no longer allowed us to have recess I all but forgot about the activity I used to love to play
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The chapter called “Interrelations of Music and Dance” in the book “The Music of Africa” briefly explains about the form of dance moves and its relationship with the African music. After thoroughly reading this chapter‚ I was able to know the importance of African dance in African music by realizing cultural differences behind the various kinds of African dance and the meanings of the moves in the African music. First‚ I was able to learn the various kinds of African dance moves based on different
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experiences; however‚ there are poems that have themes such as death and democracy. In his collection “Drum Taps” Whitman speaks about the Civil War and its effects on the American people. Many scholars‚ and myself believe that throughout this collection he changes his tone. Leslie Jamison says that critics have dismissed Walt Whitman’s work as mediocracy‚ but that when looking at his later pieces such as “Drum Taps” you can see his true genius. He begins the collection with a cheery tone and sound effects
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Somebody said man and woman are two different kinds of animal. In many situations‚ men and women have distinct opinions and attitudes of the same thing. The short story “Rope” by Katherine Anne Porter narrates an argument between a young married couple. The wife and husband argued over his purchase of some unneeded rope. The wife had a quarrel with the husband because both of them were not able to understand each other. Instead of wrangling‚ they should show their understanding‚ compromise and communicate
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Drumming! A history of drums and drumming from past to present. General Purpose: To inform the class about the history of drums and drumming. Specific Purpose: At the end of my informative speech‚ I would like everyone to understand where drums came from and how they are used today. Thesis: Drums give the world of music rhythm. Without drums and drum beats‚ I believe that music today would not be as good as it is currently. Introduction: A. How many in here like to listen to music
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Physics 12 - Circular Motion Extra Problems 1. A 1400 kg car is travelling at 25 m/s on a circular hill of radius 210 m. What is the normal force on this car at the top of the hill? [pic] [pic] 2. In an amusement park‚ a 2.8 m radius “drum” rotates such that a person does not fall when the “floor” drops away. [pic] If the coefficient of friction between the person and the wall is 0.35‚ what is the maximum period of the rotation so that a person will not fall? A. 2.0 s B. 3.4 s C.
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