of the specialized underlying structures of these life-forms. In order for us to appreciate these special adaptation‚ we first need to know how a typical plant or an animal cell organelle behaves in different water and solute concentrations. In this lab‚ we will determine the effects of hypertonic‚ isotonic and hypotonic solutions on plant and animal cells. In general when an animals cell’s placed in hypertonic solution it shrivels; a plant cell on the other hand undergoes plasmolysis. When an animal
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will broaden range &may increase melting point Lab Questions 1. Define the following A. Melting point B. Intermolecular forces C. Hydrogen bonding 2. Arrange the following IMF according to there strength Dipole-Dipole interaction forces‚ Hydrogen bonding‚ Van der Waals forces 3. How does the atmospheric pressure affect the melting point? 4. What is the purpose of determining the melting point in this lab? 5. Why is this method not used for finding the melting
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The Separation of Ink Chromatography Emanuel Alvarado Period 06 Group Members: Jason Fernandez‚ Reyna Favela & Lucero Ochoa I. Title: The Separation of Ink Using Chromatography II. Date: October 3rd‚ 2012 III. Purpose: To separate a mixture using paper chromatography. IV. Procedure: 1. Fill beaker with 100 mL water. 2. Poke hole in filter paper with scoopula approximately 1 cm from top. 3. Place dot of ink approximately 2 cm from the bottom of the filter paper
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blue‚ green‚ red‚ and yellow mixtures inside the test tube. Before we even put in the orange solution‚ the yellow liquid started to mix in with the red solution. It meant that the yellow sugar water was more dense than the red sugar water. On our second trial‚ we tried to put the green mixture first to see what would happen. When we put the green mixture inside the test tube‚ we decided to experiment and put in the yellow solution. The second we put the yellow mixture in‚ it immediately mixed in with
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Bell IBA 540‚ 541‚ 543 31 January 2013 Separation Techniques- The Process of Discharging Employees The separation process is one that is very stressful to all parties involved. Because this process is one that‚ unfortunately‚ has to be done‚ it is very important that companies have a structured separation plan. The separation decision should not be held solely to the discretion of managers or supervisors. “Policies that can lead to employee separation should be based on principles of justice
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La Giuditta: Mixture of traditional and Innovative Ideas Following Carissimi‚ Alessandro Scarlatti (1660-1725) was another outstanding composer of Italian baroque oratorios. His influential supporters in Rome included two patrons‚ the Cardinals Benedetto Pamphili and Pietro Ottoboni. The La Giuditta oratorio was composed in 1693 and premiered in Palazzo Cancelleria in March of 1964 for Cardinal Pietro Ottoboni ’s libretto. This oratorio‚ in many respects‚ seemed to be a groundbreaking one. It is
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Expt. No. Date: Computation of Loss Components of an Asynchronous Motor OBJECTIVE To determine the iron loss and constant losses at no load in three phase induction motor. APPARATUS REQUIRED Sl. No. 1 2 3 4 5 6 Apparatus Ammeter Voltmeter Wattmeter Tachometer Auto Transformer T.P.S.T. switch Type Range Quantity FORMULAE USED: 1. Input Power = W1 +W2 2. Copper Loss = 3 Iph2 Rac 3. Rac = 1.06 R‚ Where R is the Stator Resistance CIRCUIT DIAGRAM 3 - Φ Auto Transformer R FUSE
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one of the key solutions to the underlying cause of the financial turmoil in history. First of all‚ in 1930s‚ the Great Depression in America triggered considerable debates on the primary cause of the stock market crash. Analysts in favour of separation of banks have observed that the fundamental reason was the “overproduction of securities” resulted from the combination of commercial and investment banks (Casserley‚ Härle‚ and Macdonald‚ 2011). Until 1902s‚ national banks had no authority to issue
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Chem 201 Lab October 21‚ 2011 Lab #6: Preparation of 2-chloro-2-methylbutane – an Sn 1 Reaction Purpose The purpose of this experiment was to prepare an alkyl halide‚ 2-chloro-2-methylbutane by reacting 2-methyl -2-butanol (t-amyl alcohol) with hydrochloric acid. Alkyl halides are of wide interest because they are widespread and have diverse beneficial and detrimental impacts .The overall reaction is given below: Procedure 1 ml of 2-methyl-2-butanol was measured using 1 ml syringe and
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Separation of the Components of Vodka using Fractional Distillation Fractional distillation‚ also known as rectification or fractionation‚ is common in industrial usage‚ not only for simple mixtures of two components (such as alcohol and water in fermentation products‚ or oxygen and nitrogen in liquid air) but also for highly complex mixtures such as those found in coal tar and petroleum. The purpose of fractional distillation is to separate a mixture of two miscible liquids (liquids that mix
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