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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Darsh Patel Dr. Anthony Chem 101-L 20 March 2013 Indirect gravimetric determination of hydrate compound in a mixture Objective To determine the percent BaCL2*2H2O in sample of hydrated mixture. Materials: Aprons‚ goggles Gravimetric balance(electronic weighing scale) Crucible without cover Bunsen burner Lighter flint Iron Support stand Wire mat‚ glove Clay triangle Procedure: Step 1. Support a clean porcelain crucible and its cover on a clay triangle (see Figure 1). Heat them in
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October 1‚ 2013 Chemical Reactions of Copper Objective The objective of this lab is to convert copper (Cu0) “in a series of reactions to various compound containing copper as the Cu2+ species” (CHM111 Laboratory Manual) in order to prove the Law of the Conservation of Mass. Introduction In this experiment‚ we took a look at how copper (Cu0) reacts with different substances to get an end result where it is transformed back to its original state. There were five different reactions that involved
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Richmonde Zegbe CHM111 Anita Mohan 03-11-2013 Experiment: Chemical reactions‚ and Equations Materials: 3 mL of copper(II) sulfate solution. 5 mL of 6 M HCl piece of zinc wooden splint test tube Bunsen burner 3 mL of zinc chloride solution. pentahydrate distill water
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u NAME OF STUDENT NGUYEN THI TRA MY REGISTRATION NO. 1013105256 UNIT TITLE Unit 7: Business Strategy ASSIGNMENT TITLE Strategy Formation and Planning ASSIGNMENT NO 1 of 2 NAME OF ASSESSOR Ha Son Tung SUBMISSION DEADLINE 16:00‚ 22 November 2010 I‚ __________________________ hereby confirm that this assignment is my own work and not copied or plagiarized from any source. I have referenced the sources from which information is obtained by me for this assignment. ________________________________
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There are a number of factors that sustaining a cartel. Firstly‚ if there are few firms involved‚ it is easy to monitor each other in terms of quantity and price setting. It is easy to detect because it is observable if one firm’s Market share has risen‚ especially where there are a larger number of firms involved. Secondly‚ a cartel is more stable in markets where price and quantity are easy to observe. If a Market has frequent change in demand‚ input costs and other factors‚ then the price
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Time and Work Question 1 | Sweta can complete a piece of work in 8 hours and Priyanka can complete the same piece of work in 4 hours. How much time will both of them take together (approximately) to complete the same piece of work? A | 2 hours | B | 3 hours | C | 5 hours | D | 4 hours | E | 8 hours | Question 2 | X and Y can make a machine in 12 days and Y alone can make it in 48 days. X alone can make the machine in A | 40 days | B | 32 days | C | 24 days | D | 16 days | E |
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Star Formation Epidemics in Galaxies Asa J. Stewart 3rd Year Physics and Astronomy project report in the school of physics‚ Cardi University Date of submission: 16th May 2011 Supervisor: Prof. Anthony Whitworth Contents 0.1 Aims and objectives . . . . . . . . . . . . . . . . . . . . . . . 0.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2.1 Observed properties of disk galaxies . . . . . . . . . . 0.2.2 Star formation . . . . . . . . . . . . . . . . . . . . . . 0
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Toxicology Lab 1. In this investigation‚ a wide range of concentrations of Sodium Chloride (NaCl) solution were created and the effects that they had on radish seeds were tested. This ultimately created a doseresponse experiment in which it was detectable whether or not radish seeds were a reliable bioassay for the toxicity of NaCl. The goal of this experiment was to determine a correlation between toxicity and seed germination/radicle
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INTRODUCTION: The purpose of this experiment is to measure the formation constant of the tetraamminecopper(II) ion by colorimetry. Anhydrous copper sulfate (CuSO4) is white‚ which means that it does not absorb light in the visible region of the spectrum. The hydrated copper sulfate (CuSO4 - 5H2O) is blue. The structure of the compound can be represented more accurately as Cu(H2O)4 SO4 - H2O where four water molecules are bound to the copper ion and the fifth is a water of crystallization. The
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