Newton`s Second Law – Lab Report Name: Tasneen Ahsan Date: 19th November‚ 2012 Purpose To show how the acceleration of an object changes when‚ the mass changes and the net force is kept constant and when the mass is the same.. Hypothesis I predict that by changing the mass of the object will result in a change in the acceleration as Newton`s second law states that the magnitude of the acceleration of any object is directly proportional to the magnitude
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“Law of Interaction” Law of Interaction “For every action‚ there is an equal and opposite reaction” The statement means that in every interaction‚ there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. Interaction between the hammer and nail A hammer exerts a force on the nail and drives it into a board . But this is not the only force present for there must also be a force exerted on
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Biological Membrane Study: HCl‚ NaOH‚ SDS Objective and Hypothesis: The objective of this lab is to determine the effects of SDS‚ HCl‚ and NaOH on red cabbage cell membrane. Prior knowledge can tell us that the red cabbage is a red-purple color due to a pigment called anthocyanin. This is what we will be testing in the experiment. We also know that HCl is a strong acid (very low pH) and that NaOH is a strong base (very high pH). From information learned in this course (lecture/lab) we can assume that both
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Ideal Gas Law Lab 1. Procedure: First‚ we used a balance to weigh the canister of gas‚ and recorded that mass as the original weight. Then‚ we filled a large bucket with water and recorded the temperature. We then filled a small test tube with water at the same temperature and poured that water into a graduated cylinder to measure the original volume of water in the tube. We then poured the water back into the test tube and placed the tube into the bucket with the opening upwards‚ turning the
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Preparation of SKEO The extraction of S. khuzistanica was performed by hydro distillation and clevenger apparatus for 5 hours. Once extraction was completed‚ the resulted essential oil was dehydrated using sodium sulfate (Merck). The essential oil was stored at temperature of 4ºC until using (12). In order to provide different concentrations of the extract‚ Dimethyl sulfoxide (DMSO) was used. Gas chromatography/mass spectrometry analysis of essential oil Isolation and measurement of the sample
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the Nazi Party and Adolf Hitler was Rudolf Hess. Throughout the Holocaust Rudolf Hess played the role of a perpetrator in the crimes committed because of his loyalty towards Adolf Hitler and the Nazi Party‚
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recent decades when people were trying to erase Pereira’s work. In “Erasing Pereira”‚ Alan Hess gives his opinion while addressing‚ “What do California’s cultural institutions have against William Pereira?”. He begins his article by stating that Pereira had gained his name because of his work in the Orange County area‚ which later had been faded and people were misinterpreting the vision of the great architect. Hess says that Pereira had designed UC Irvine with meticulous planning and a very revolutionary
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In 1916‚ Henri Fayol published his "14 Principles of Management" in the book "Administration Industrielle et Generale." Fayol also created a list of the six primary functions of management‚ which go hand in hand with the Principles. Fayol’s "14 Principles" was one of the earliest theories of management to be created‚ and remains one of the most comprehensive. 14 Management Principles developed by Henri Fayol are : 1. Division of work : Work should be divided among individuals and groups
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| Preparation and standardization of 0.1 M NaOH using KHP | Analysis of unknown solid containing KHP | | Steanie Rodriguez | 6/7/2011 | CHEM-C311 Analytical Chemistry Laboratory July 7‚ 2011 The main purpose of this experiment is to identify an unknown organic acid by conducting various experiments to determine the acid’s unique properties. By determining selected constant properties of the unknown and then comparing these properties to the constant properties of known substances
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Alixandria Zeidel Physics 131 – section LZ Hasbrouck 208 10/01/14 Forces and Newton’s 2nd law Abstract The purpose of this lab was to learn about how force influences acceleration. A hanging mass is tied to a frictionless glider and the mass is dropped. While the glider is being pulled by the mass it is possible to measure to tension force on the rope between the two objects. A motion sensor graphs the movement of the system and from the slope it is possible to calculate the acceleration of both
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