Through the stage directions‚ Priestley reveals that Eric was in his ‘early twenties‚ not quite at ease‚ half shy‚ half assertive’; the asyndetic list here creates the sense that he is overwhelming and overbearing (perhaps alluding to the self-righteous superiority that his bourgeois lifestyle has instilled in him). In addition to this impression is his ‘half shy‚ half assertive’ nature. The adjective ‘shy’ connotes apprehension and nervousness which juxtaposes the implications of dominance and confidence
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in tea‚ coffee‚ cocoa‚ OTC medication‚ and cola drinks.It stimulates the brain and the central nervous system‚ so that a person feels less tired and more alert. The purpose of this lab is to determine the amount of caffeine in tea. The major component of tea is cellulose which is a polymer of glucose. Materials Lab coat Goggles Graduated cylinder 1 tea bag (1.615g) 50 mL beaker Ice Gloves Hot plate 500 mL Erlenmeyer flask 30 mL DI water Wash glass Ca2CO3 DCM Funnel Stopper
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Organic Lab Trial 1 Trial 2 Trial 3 Observations We added the 30ml of warm water with 4.7 grams of borax powder in to the cup labeled ‘Borax Solution’ and also added a few dots of green food coloring. We then stirred it until all the solutions were completely mixed. When this happened the borax and water turned into a watery green solution. then we added 15ml of glue in the cup labeled ‘Ball mixture’ and added the mixture we made
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Title : Measuremnt of pH With Indicators Aim : 1.To investigate concentration of hydrogen ions in hydrochloric acic and colour changes of indicators 2.To determine standard solutions and the unknowns Variables Independent variable : Concentration of hydrogen ions in hydrochloric acid.The presence of hydrogen ions is varied by using 5 different concentration of hydrochloric acid of 0.1mol/L‚0.01mol/L‚0.001mol/L‚0.0001mol/L‚0.0000mol/L Dependent variable : Colour changes of indicators
Free PH Hydrochloric acid PH indicator
ABSTRACT: The lab of one dimensional motion is a series of experiments that deal with different types of motion in a single direction. In the first experiment‚ one dimensional motion of a small cart on an air track is measured in a one photogate system. The acceleration was calculated by the infrared light emitting electrode of the photogate sensing the slacks on the picket fence. The calculation for gravity yielded 9.63 m/s^2‚ which is consistent with the accepted value of 9.8m/s^2. In the
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Hypothesis: The closer the light is the plant‚ and the higher the wattage of the light‚ the faster the rate of Photosynthesis. So‚ the 150 watt light bulb at 5centimeters will have the highest rate of photosynthesis. Results: Photosynthesis Lab Data Number of Watts Light 5cm Away Light 10cm Away Light 15cm Away 50 9 bubbles 10 bubbles 15 bubbles 60 14 bubbles 8 bubbles 11 bubbles 65 6 bubbles 5 bubbles 4 bubbles 2 bubbles 3 bubbles 5 bubbles 150 36 bubbles 16 bubbles 5 bubbles 40 bubbles
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A. Goal and Purpose: Session 1: In this lab‚ we will achieve a simple Friedel-Crafts alkylation of anthracene. The choice of anthracene as an aromatic substrate stems from two considerations. First‚ there is a question of regioselectivity. Second‚ anthracene and its derivatives are highly visible under UV light. Session 2: In this lab‚ we will complete a partial conversion of 9-acetylanthracene using m-chloroperoxybenzoic acid (mCPBA). We will also determine by NMR‚ the regiochemistry of the
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The Determination of the Concentration of Hard Water Ions by the Titration of EDTA By Hannah Denby Lab partners: Heidi Kiziah‚ Leonie Hamel University of Central Florida‚ CHM 2046L December 3rd‚ 2015 Abstract. The “hardness” of water is a common dilemma attributed by high concentrations of metals such as calcium and magnesium. This is a result of the properties of water; because it is a good solvent‚ impurities are easily dissolved. As water moves through soil and rock‚ it dissolves minute amounts
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Leonardo lin 8 RAM Lab report Measuring of plerococcus 1. Background information pleurococcus is an extensive algae‚it depending on the kind of environment and produces the amount of pleuroccus depending on the enviroment. It allows you to use a small plots measuring the distribution and allocation of reality to identify relevant environmental factors organisms. 2. Aim / Research Question / Problem i am going to study about the how it affect the plant or tree‚ I am using the quadrat to measure the
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body‚ as well as identifying the subcatergories of tissue types while observing them through the microscope and diagrams‚ and be able to explain the location and function of the tissue types in the body. There are not any real safety concerns for this lab other than making sure correct use and care of the microscope is used. EXERCISE 1: EPITHEILIAL TISSUE Epithelial Tissue Observations Tissue Type Observations Simple Squamous Single layer of cells‚ flat in appearance Simple Cuboidal Cells appear to be
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