bending or flexural deflections. The amount of flexural deflection in a beam is related to the beams area moment of inertia (I)‚ the single applied concentrated load (P)‚ length of the beam (L)‚ the modulus of elasticity (E)‚ and the position of the applied load on the beam. The amount of deflection due to a single concentrated load P‚ is given by: Objective: Is to find the relationship between the deflection at the center of a simply supported beam and the span‚ width. Apparatus:
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exerted by a fluid at equilibrium due to the gravitational pull. The fluid is known as hydrostatic fluid. The pressure can be calculated from the control volume analysis of a small cube of fluid. It is known that pressure is force applied per unit area P = F/A‚ and the onlyforce acting on any such small cube of fluid is the weight of column above it‚ we can calculate the hydrostatic pressure by: The sumary of the theory is the force on any flat surface is the average pressure acting on the submerged
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Student Name: Amaan Rushdi Lab Partner Name: Dylan Course: BIOL 123 Lab Instructor: Megan Grandinetti Sowbug behavior on environment -lab report What area does the sowbugs prefer to choose for their dwelling? Abstract By working with physical isopods‚ ordinarily known as pill bugs‚ sow bugs or roly- polies‚ we tried whether these sowbugs favored a dark spot to a light place. Included in the lab are a few outlines and tables sketching out our aftereffects of the test. We measured recurrence
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was higher than the actual melting point of pure aspirin; 135°C. The phenol test showed that the product is not a pure aspirin by expressing purple color. TLC results weren’t high enough to conclude that the product was a pure aspirin. Overall‚ the lab wasn’t successful due to the low percentage of aspirin that were produced. Out of 2.0 grams of aspirin‚ only 0.7862 grams of pure aspirin were produced. So the percent yield was only 39%. Errors could be made during filtration process and the melting
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impurities‚ and isolating the pure acetanilide. In the next lab‚ percent recovered was obtained through weighing the acetanilide sample as well as comparing its melting point range. In this experiment‚ the sample‚ acetanilide was weighted to be 1.523 grams. The sample appeared to be a pale mixture of brown flakes before it was crushed into small flakes. When boiling the sample with 25 mL of water over the 75 mL of water steam bath‚ the sample started to change to dark drown flakes in some areas. When
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Michele Baden Bio 100 – 05 ALLELOPATHY INTRODUCTION The purpose of this lab was to observe the effects of chemical warfare among plants. Plant seeds compete with other plants and seeds‚ for sunlight‚ and nutrients in order to germinate. In order to win dominance over other seeds‚ and reduce competition‚ plants produce and release a chemical in order to prevent other seeds from germination. This type of chemical warfare is referred to as allelopathy. Allelopathy exists in many parts of the plants
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and volume data for known and unknown compounds. The liquid and gas are going to be at equilibrium. We will also determine the boiling point for the known and unknown. Then use a graph to calculate the slope and then use Clasius- Clapeyron equation to find the heat vaporization. Procedure: Refer to pages 155-167 of Chemistry 1210 General Chemistry Laboratory Manual Hayden- McNeil Publishing Inc. 2012-2013 Report Sheet: See attached report sheet and graphs. Sample Calculations: 1/t= 35 C
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identifying and calculate the Rf of each amino acids and compare the Rf values and determine the unknown amino acid. DATA AND RESULTS Table 1. | Distance traveled by Amino Acid in cm | Distance traveled by solvent in cm | Rf Values | Glycine | 2.9 | 5.3 | 0.54 | Lysine | 3.1 | 5.3 | 0.58 | Aspartic | 1.2 | 5.3 | 0.22 | Glutamic | 2.3 | 5.3 | 0.43 | Unknown | 3.3 | 5.3 | 0.62 | Identity of unknown: Methionine DISCUSSION A series of procedures was followed to identify the different
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GAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME English FAL Grade 12 SESSION 15 (LEARNER NOTES) LITERATURE: STUDYING DRAMA Learner Note: It is difficult to discuss a specific DRAMA in this session‚ since all schools are not doing the same prescribed work. This session will focus more on introductory notes on the study of drama and will include extracts from some of the prescribed plays. It is‚ however‚ very important that you know the basics of studying drama – once you
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Abstract This lab is performed in order to determine the total energy in a reaction between zinc and hydrochloric acid. The reaction is done twice‚ once to measure the heat of the reaction and again to determine the work done in the system. This is because Enthalpy equals heat plus work (∆H= ∆E+W). Heat and work can be broken down further into separate components so the equation used in lab is ∆H=mc∆T + PV. Many calculations are used in the lab to find out what cannot be measured directly (ex:
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