Objective: To successfully separate and identify all three unknown cations‚ found in a mixture and belonging to one of two specific groups (2 from one and 1 from the other). In order to do this we will be using various tests and reactions and observing the effect they had on our solution. Materials: Pasteur pipets Bunsen Burners Stirring rods Excess reagents Hot plates Sample QA unknown 101-5.7 Table of steps and observations: Step/Test |Observation |Inference | |2-1
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being altered to produce a result. There are two independent variables in this experiment which are the brand of dishwashing detergent; Palmolive‚ Morning Fresh and Ultra Coles Brand and the type of bacteria used which are; Micrococcus Luteus and an unknown bacteria from a sponge. Dependent Variable The dependent variable is the factor that is being tested which is the size of the zone of inhibition from the detergent solution and the bacteria. It will be measured in millimetres using a ruler. Constant
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A Report of Experiment 1 Purification and Identification of An Unknown Mixture Aim To separate a mixture of a neutral (ester‚ alcohol‚ ketone‚ aldehyde or ether) and an acidic compound (phenol or carboxylic acid) or a neutral and a basic compound (amine)‚ and to identify the unknown mixture by physical (M.P. or B.P.) and spectroscopic methods (NMR‚ IR and MS). Method The mixture (sample number: 27) was dissolved in 200 mL of CH2Cl2 and then extracted with 10% NaOH. The acid was removed
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EIGHTH GRADE SUGGESTED SUMMER READING BRAGG MIDDLE SCHOOL Gardendale‚ Alabama 2011-2012 FICTION Austen‚ Jane. Pride and Prejudice. In early 19th-century England‚ a spirited young woman copes with the courtship of a snobbish gentleman as well as the romantic entanglements of her four sisters. AR 27.0/Level 12.0. Classic Fiction. Avi. Crispin: the Cross of Lead. Falsely accused of theft and murder‚ an orphaned peasant boy in 14th-century England flees his village and meets a larger-than-life
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After reading “Naema-Whereabouts Unknown” I chose to select study question number four. It asks us if we felt the diary form is an effective way of documenting the psychological impact of historical events that we may experience. My answer to this is yes. I do believe it does. Let me expand. We can never truly have the full experience someone feels emotionally during an event. Even if you and I were right there next to the narrator we wouldn’t. We all experience and feel things differently. The
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gibberish whenever there is a camera or a reporter nearby to capture it. However‚ what he never seems to realize is that for every racially biased supporter‚ there are ten others who are not allowed to tell their own side of the story. The Book of Unknown Americans is a novel which allows these ten others to tell their stories and contradict the preconceived notions that White America has formed about them. Cristina Henriquez uses the characters of Gustavo Milhojas and the Rivera family to discuss
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Cultural Globalization: Fear of the Unknown Cultural globalization is a term often used to describe the influence of one national culture on another. This is perhaps more prevalent in the United States than anywhere else in the world. Although America is often viewed as the villain with regard to globalization‚ it is clear by the diversity of cultural groups in America‚ that this nation is also the recipient of global culture. With such a diverse cultural population it’s foreseeable to think
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The Healing of an Unknown Wound Sebastian was a perfect German‚ fiercely patriotic and deeply loyal to the Nazi ideology. Growing up amid Nazi propaganda‚ he had a distorted view of the world‚ seeing only the supposed superiority of his race and the oppression of others as justified. His perspective was clouded‚ his beliefs as strong as steel. He was then told to work at a concentration camp in lower Germany. The horrors he witnessed in the camp were like no other‚ the inhuman treatment of those
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Lab Report # 11 By: Andrew Hoitt CHEM 105 Lab 11/29/2012 Lab # 11 – Acid - Base Titration Introduction: The purpose of this lab is to determine the molarity (M) of an unknown HCl solution. A NaOH solution will be made and its molarity calculated. A sample of the NaOH solution will be titrated against the unknown HCl solution to calculated the volume needed to neutralize it. With these volumes the unknown molarity can be calculated. Theory: Solutions
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Unknown Language Journal Journal Entry 1 Before the lesson From this‚ my first lesson of Korean‚ I expect to gain‚ most of all‚ first hand insight into the experience a second language learner has during the first lesson of a language he or her has never before encountered. As I believe the class will be one of immersion‚ where the teacher will only speak Korean‚ I expect to be confused and to struggle to grasp the relation between sounds and their referents as well as understanding
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